diff --git a/apps/pipeline/cli.py b/apps/pipeline/cli.py
new file mode 100644
index 0000000..db1cab2
--- /dev/null
+++ b/apps/pipeline/cli.py
@@ -0,0 +1,151 @@
+"""CLI for running the data pipeline.
+
+Usage:
+    fithia2 pipeline run              # run all 5 steps
+    fithia2 pipeline run --step poller|fetcher|parser|features|labels
+    fithia2 pipeline run --start-date 2026-03-15
+"""
+from __future__ import annotations
+
+import argparse
+import asyncio
+import sys
+
+from rich.console import Console
+
+_console = Console(width=120)
+
+STEPS = ["poller", "fetcher", "parser", "features", "labels"]
+
+
+def _run_id() -> str:
+    from libs.common.ids import new_job_run_id
+    return new_job_run_id()
+
+
+def _configure() -> None:
+    import logging
+    try:
+        from dotenv import load_dotenv
+        load_dotenv()
+    except ImportError:
+        pass
+    from libs.common.config import get_settings
+    from libs.common.logging import configure_logging
+    configure_logging(get_settings().log_level)
+    # Suppress noisy HTTP request logs from httpx
+    logging.getLogger("httpx").setLevel(logging.WARNING)
+    logging.getLogger("httpcore").setLevel(logging.WARNING)
+
+
+async def _run_steps_async(
+    steps: list[str],
+    start_date: str | None,
+    end_date: str | None,
+    continue_on_error: bool = False,
+) -> dict[str, dict | str]:
+    """Run all pipeline steps in a single event loop to avoid asyncpg loop conflicts."""
+    from apps.pipeline.filing_poller.main import poll_filings
+    from apps.pipeline.filing_fetcher.main import fetch_exhibits
+    from apps.pipeline.event_parser.main import run_event_parser
+    from apps.pipeline.feature_builder.main import run_feature_builder
+    from apps.pipeline.label_generator.main import run_label_generator
+
+    results: dict[str, dict | str] = {}
+    for step in steps:
+        try:
+            if step == "poller":
+                results[step] = await poll_filings(_run_id(), start_date=start_date, end_date=end_date)
+            elif step == "fetcher":
+                results[step] = await fetch_exhibits(_run_id(), start_date=start_date, end_date=end_date)
+            elif step == "parser":
+                results[step] = await run_event_parser(_run_id(), start_date=start_date, end_date=end_date)
+            elif step == "features":
+                results[step] = await run_feature_builder(_run_id(), start_date=start_date, end_date=end_date)
+            elif step == "labels":
+                results[step] = await run_label_generator(_run_id(), start_date=start_date, end_date=end_date)
+        except Exception as exc:
+            results[step] = f"ERROR: {exc}"
+            if not continue_on_error:
+                raise
+    return results
+
+
+_STEP_NAMES = {
+    "poller": "Filing Poller",
+    "fetcher": "Filing Fetcher",
+    "parser": "Event Parser",
+    "features": "Feature Builder",
+    "labels": "Label Generator",
+}
+
+
+def cmd_run(args: argparse.Namespace) -> None:
+    _configure()
+
+    steps = [args.step] if args.step else STEPS
+
+    for step in steps:
+        _console.print(f"\n[bold cyan]▶ {_STEP_NAMES[step]}[/]")
+
+    try:
+        all_results = asyncio.run(
+            _run_steps_async(steps, args.start_date, args.end_date, args.continue_on_error)
+        )
+    except Exception as exc:
+        _console.print(f"[red]FAILED: {exc}[/]")
+        sys.exit(1)
+
+    _console.print()
+    failed = False
+    for step in steps:
+        result = all_results.get(step, {})
+        if isinstance(result, str) and result.startswith("ERROR:"):
+            _console.print(f"  [bold cyan]{_STEP_NAMES[step]}:[/] [red]{result}[/]")
+            failed = True
+        else:
+            parts = [f"{k}={v}" for k, v in (result.items() if isinstance(result, dict) else [])]
+            _console.print(f"  [bold cyan]{_STEP_NAMES[step]}:[/] [green]done[/]  {', '.join(parts)}")
+
+    if failed:
+        sys.exit(1)
+
+    _console.print("\n[bold green]Pipeline complete.[/]")
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(description="fithia2 Pipeline Runner")
+    sub = parser.add_subparsers(dest="command", required=True)
+
+    p = sub.add_parser("run", help="Run pipeline steps")
+    p.add_argument(
+        "--step", "-s",
+        choices=STEPS,
+        default=None,
+        help="Run a single step (default: all steps in order)",
+    )
+    p.add_argument(
+        "--start-date",
+        default=None,
+        metavar="YYYY-MM-DD",
+        help="Start date for filing poller (default: 7 days ago)",
+    )
+    p.add_argument(
+        "--end-date",
+        default=None,
+        metavar="YYYY-MM-DD",
+        help="End date for filing poller (default: today)",
+    )
+    p.add_argument(
+        "--continue-on-error",
+        action="store_true",
+        help="Continue to next step even if a step fails",
+    )
+
+    args = parser.parse_args()
+    if args.command == "run":
+        cmd_run(args)
+
+
+if __name__ == "__main__":
+    main()
diff --git a/apps/pipeline/continuation_snapshot/main.py b/apps/pipeline/continuation_snapshot/main.py
new file mode 100644
index 0000000..4cd6b55
--- /dev/null
+++ b/apps/pipeline/continuation_snapshot/main.py
@@ -0,0 +1,58 @@
+"""Build continuation snapshots from an existing event-day snapshot."""
+from __future__ import annotations
+
+import argparse
+import asyncio
+import json
+
+from libs.common.config import get_settings
+from libs.common.logging import configure_logging
+from libs.export.continuation_snapshot import export_continuation_snapshot_from_base
+
+
+async def run_continuation_snapshot(
+    *,
+    base_snapshot_dir: str,
+    output_dir: str,
+    snapshot_id: str,
+    lookback_days: int,
+) -> dict:
+    return await export_continuation_snapshot_from_base(
+        base_snapshot_dir=base_snapshot_dir,
+        output_dir=output_dir,
+        snapshot_id=snapshot_id,
+        lookback_days=lookback_days,
+    )
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(description="Build continuation snapshot from base snapshot")
+    parser.add_argument("--base-snapshot-dir", required=True, help="Base snapshot directory path")
+    parser.add_argument("--output-dir", default="./data/datasets/snapshots", help="Snapshot output root")
+    parser.add_argument("--snapshot-id", required=True, help="New snapshot id")
+    parser.add_argument("--lookback-days", type=int, default=3, help="Continuation signal lookback in trading days")
+    parser.add_argument("--json", action="store_true", help="Print manifest JSON")
+    args = parser.parse_args()
+
+    configure_logging(get_settings().log_level)
+    manifest = asyncio.run(
+        run_continuation_snapshot(
+            base_snapshot_dir=args.base_snapshot_dir,
+            output_dir=args.output_dir,
+            snapshot_id=args.snapshot_id,
+            lookback_days=args.lookback_days,
+        )
+    )
+    if args.json:
+        print(json.dumps(manifest, indent=2))
+    else:
+        print(f"Snapshot exported: {manifest['snapshot_id']}")
+        print(f"  Output: {manifest['output_dir']}")
+        print(f"  Total rows: {manifest['total_rows']}")
+        for split, count in manifest["row_counts"].items():
+            print(f"  {split}: {count} rows")
+
+
+if __name__ == "__main__":
+    main()
+
diff --git a/apps/pipeline/merged_snapshot/main.py b/apps/pipeline/merged_snapshot/main.py
new file mode 100644
index 0000000..d8bb797
--- /dev/null
+++ b/apps/pipeline/merged_snapshot/main.py
@@ -0,0 +1,39 @@
+"""Merge multiple snapshots and re-split them temporally."""
+from __future__ import annotations
+
+import argparse
+import json
+
+from libs.common.config import get_settings
+from libs.common.logging import configure_logging
+from libs.export.merged_snapshot import export_merged_snapshot
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(description="Merge snapshots into a single temporally-split snapshot")
+    parser.add_argument("--source-snapshot-dir", action="append", required=True, help="Source snapshot directory path; repeat for multiple inputs")
+    parser.add_argument("--output-dir", default="./data/datasets/snapshots", help="Snapshot output root")
+    parser.add_argument("--snapshot-id", required=True, help="New merged snapshot id")
+    parser.add_argument("--split-policy", default="temporal_70_15_15", help="Temporal split policy")
+    parser.add_argument("--json", action="store_true", help="Print manifest JSON")
+    args = parser.parse_args()
+
+    configure_logging(get_settings().log_level)
+    manifest = export_merged_snapshot(
+        source_snapshot_dirs=args.source_snapshot_dir,
+        output_dir=args.output_dir,
+        snapshot_id=args.snapshot_id,
+        split_policy=args.split_policy,
+    )
+    if args.json:
+        print(json.dumps(manifest, indent=2))
+    else:
+        print(f"Snapshot exported: {manifest['snapshot_id']}")
+        print(f"  Output: {manifest['output_dir']}")
+        print(f"  Total rows: {manifest['total_rows']}")
+        for split, count in manifest["row_counts"].items():
+            print(f"  {split}: {count} rows")
+
+
+if __name__ == "__main__":
+    main()
diff --git a/apps/tools/backfill_market_cap.py b/apps/tools/backfill_market_cap.py
new file mode 100644
index 0000000..4e8d943
--- /dev/null
+++ b/apps/tools/backfill_market_cap.py
@@ -0,0 +1,179 @@
+"""Backfill market_cap_proxy + exchange_proxy into existing FeatureSnapshot rows.
+
+Patches market_v1 FeatureSnapshots that are missing market_cap_proxy in
+their feature_json.  This is needed for paper-trading backsim on events
+that were feature-built before the feature-builder started persisting
+company metadata.
+
+Usage:
+    python -m apps.tools.backfill_market_cap
+    python -m apps.tools.backfill_market_cap --start 2026-01-01 --end 2026-03-31
+    python -m apps.tools.backfill_market_cap --dry-run
+"""
+from __future__ import annotations
+
+import argparse
+import asyncio
+import datetime as dt
+import os
+from pathlib import Path
+
+_ENV_FILE = Path(__file__).parent.parent.parent / ".env"
+if _ENV_FILE.exists():
+    for _line in _ENV_FILE.read_text().splitlines():
+        _line = _line.strip()
+        if _line and not _line.startswith("#") and "=" in _line:
+            _k, _, _v = _line.partition("=")
+            os.environ.setdefault(_k.strip(), _v.strip())
+
+from rich.console import Console
+from rich.progress import track
+
+console = Console(width=120)
+
+
+async def run_backfill(
+    start_date: dt.date | None,
+    end_date: dt.date | None,
+    dry_run: bool,
+) -> None:
+    from sqlalchemy import select, update
+    from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
+
+    from libs.db.models import Event, FeatureSnapshot, SymbolMaster
+    from libs.oracle_client import CompanyService, ScreenerService, make_oracle_client
+
+    db_dsn = os.environ.get("POSTGRES_DSN", "")
+    oracle_url = os.environ.get("STOCK_ORACLE_URL", "http://localhost:18001")
+
+    if not db_dsn:
+        console.print("[red]POSTGRES_DSN not set[/]")
+        return
+
+    engine = create_async_engine(db_dsn, echo=False)
+    async_session = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
+
+    # ── Step 1: find market_v1 snapshots without market_cap_proxy ──────────
+    async with async_session() as session:
+        stmt = (
+            select(FeatureSnapshot, Event, SymbolMaster)
+            .join(Event, FeatureSnapshot.event_id == Event.event_id)
+            .outerjoin(SymbolMaster, Event.symbol_id == SymbolMaster.symbol_id)
+            .where(FeatureSnapshot.snapshot_name == "market_v1")
+        )
+        if start_date:
+            stmt = stmt.where(Event.event_date >= start_date)
+        if end_date:
+            stmt = stmt.where(Event.event_date <= end_date)
+
+        rows = (await session.execute(stmt)).all()
+
+    # Filter to those missing market_cap_proxy
+    missing = [
+        (snap, event, sym)
+        for snap, event, sym in rows
+        if not (snap.feature_json or {}).get("market_cap_proxy")
+    ]
+    console.print(f"Found [bold]{len(rows)}[/] market_v1 snapshots, "
+                  f"[yellow]{len(missing)}[/] missing market_cap_proxy")
+
+    if not missing or dry_run:
+        if dry_run:
+            console.print("[dim]Dry-run: no changes written.[/]")
+        return
+
+    # ── Step 2: collect unique tickers ─────────────────────────────────────
+    ticker_to_snap: dict[str, list[FeatureSnapshot]] = {}
+    for snap, event, sym in missing:
+        if sym and sym.ticker:
+            ticker_to_snap.setdefault(sym.ticker, []).append(snap)
+
+    tickers = sorted(ticker_to_snap)
+    console.print(f"Fetching company info for [bold]{len(tickers)}[/] unique tickers…")
+
+    # ── Step 3: batch-fetch via screener first, then per-symbol CompanyService ─
+    ticker_mcap: dict[str, float | None] = {t: None for t in tickers}
+    ticker_exchange: dict[str, str | None] = {t: None for t in tickers}
+
+    async with make_oracle_client() as client:
+        # Try screener first (batch — faster, one call per page)
+        try:
+            svc = ScreenerService(client)
+            stocks = await svc.search_all_stocks(
+                market_cap_min=500_000_000,
+                exchange="NYSE,NASDAQ,AMEX",
+                exclude_types="ETF,FUND,ADR,SPAC",
+            )
+            screener_lookup = {(s.symbol or "").upper(): s for s in stocks}
+            for t in tickers:
+                s = screener_lookup.get(t.upper())
+                if s:
+                    ticker_mcap[t] = s.market_cap
+                    ticker_exchange[t] = s.exchange
+            resolved = sum(1 for t in tickers if ticker_mcap.get(t) is not None)
+            console.print(f"  Screener resolved {resolved}/{len(tickers)}")
+        except Exception as exc:
+            console.print(f"  [yellow]Screener failed ({exc}), falling back to CompanyService[/]")
+
+        # Per-symbol CompanyService for anything still missing
+        unresolved = [t for t in tickers if ticker_mcap.get(t) is None]
+        if unresolved:
+            company_svc = CompanyService(client)
+            semaphore = asyncio.Semaphore(16)
+
+            async def _fetch_one(ticker: str) -> None:
+                async with semaphore:
+                    try:
+                        info = await company_svc.get_company(ticker)
+                        ticker_mcap[ticker] = info.market_cap
+                        ticker_exchange[ticker] = info.exchange
+                    except Exception:
+                        pass
+
+            await asyncio.gather(*(_fetch_one(t) for t in unresolved))
+            resolved2 = sum(1 for t in unresolved if ticker_mcap.get(t) is not None)
+            console.print(f"  CompanyService resolved {resolved2}/{len(unresolved)} remaining")
+
+    # ── Step 4: update feature_json ─────────────────────────────────────────
+    updated = 0
+    skipped = 0
+    async with async_session() as session:
+        for ticker, snaps in track(ticker_to_snap.items(), description="Updating…"):
+            mcap = ticker_mcap.get(ticker)
+            exch = ticker_exchange.get(ticker)
+            if mcap is None and exch is None:
+                skipped += len(snaps)
+                continue
+            for snap in snaps:
+                fj = dict(snap.feature_json or {})
+                if mcap is not None:
+                    fj["market_cap_proxy"] = mcap
+                if exch is not None:
+                    fj["exchange_proxy"] = exch
+                await session.execute(
+                    update(FeatureSnapshot)
+                    .where(FeatureSnapshot.feature_snapshot_id == snap.feature_snapshot_id)
+                    .values(feature_json=fj)
+                )
+                updated += 1
+
+        await session.commit()
+
+    await engine.dispose()
+    console.print(f"\n[bold green]Done.[/] Updated {updated} snapshots, skipped {skipped} (no data).")
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(description="Backfill market_cap_proxy into FeatureSnapshots")
+    parser.add_argument("--start", default=None, metavar="YYYY-MM-DD")
+    parser.add_argument("--end", default=None, metavar="YYYY-MM-DD")
+    parser.add_argument("--dry-run", action="store_true", help="Show what would be done without writing")
+    args = parser.parse_args()
+
+    start = dt.date.fromisoformat(args.start) if args.start else None
+    end = dt.date.fromisoformat(args.end) if args.end else None
+    asyncio.run(run_backfill(start, end, args.dry_run))
+
+
+if __name__ == "__main__":
+    main()
diff --git a/apps/tools/build_ranking_model.py b/apps/tools/build_ranking_model.py
new file mode 100644
index 0000000..2659acf
--- /dev/null
+++ b/apps/tools/build_ranking_model.py
@@ -0,0 +1,96 @@
+"""Build a lightweight bucket-prior ranking model from snapshot labels."""
+from __future__ import annotations
+
+import argparse
+import json
+from pathlib import Path
+
+import pandas as pd
+
+from libs.backtest.ranking_models import _resolve_feature_key
+
+
+FEATURE_SPECS = [
+    ("event_type", 0.08),
+    ("direction_guidance_combo", 0.27),
+    ("reaction_bucket", 0.22),
+    ("close_bucket", 0.15),
+    ("volume_bucket", 0.12),
+    ("gap_bucket", 0.08),
+    ("document_bucket", 0.05),
+    ("confidence_bucket", 0.03),
+]
+
+
+def build_model(
+    snapshot_path: Path,
+    cutoff_event_date: str,
+    min_bucket_count: int,
+) -> dict:
+    df = pd.read_parquet(snapshot_path)
+    df["event_date"] = pd.to_datetime(df["event_date"]).dt.date
+    df["reaction_date"] = pd.to_datetime(df["reaction_date"], errors="coerce").dt.date
+    cutoff_date = pd.to_datetime(cutoff_event_date).date()
+    df = df[
+        (df["event_date"] <= cutoff_date)
+        & (df["reaction_date"] == df["event_date"])
+        & (df["reaction_day_return"] > 0)
+        & df["event_type"].isin(["earnings_release", "guidance_update"])
+        & df["fwd_return_20d"].notna()
+    ].copy()
+    global_mean = float(df["fwd_return_20d"].mean()) if not df.empty else 0.0
+
+    features = []
+    for name, weight in FEATURE_SPECS:
+        bucket_map: dict[str, list[float]] = {}
+        for row in df.to_dict("records"):
+            key = _resolve_feature_key(name, row)
+            if key is None:
+                continue
+            bucket_map.setdefault(key, []).append(float(row["fwd_return_20d"]))
+        values = {
+            key: sum(values) / len(values)
+            for key, values in bucket_map.items()
+            if len(values) >= min_bucket_count
+        }
+        features.append(
+            {
+                "name": name,
+                "weight": weight,
+                "values": values,
+            }
+        )
+
+    return {
+        "model_type": "bucket_blend_v1",
+        "target": "fwd_return_20d",
+        "snapshot_id": snapshot_path.parent.name,
+        "cutoff_event_date": cutoff_event_date,
+        "min_bucket_count": min_bucket_count,
+        "training_rows": int(len(df)),
+        "global_mean": global_mean,
+        "features": features,
+    }
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(description="Build a bucket-prior ranking model")
+    parser.add_argument("--snapshot", required=True, help="Path to the parquet snapshot")
+    parser.add_argument("--output", required=True, help="Output JSON path")
+    parser.add_argument("--cutoff-event-date", default="2024-12-31")
+    parser.add_argument("--min-bucket-count", type=int, default=8)
+    args = parser.parse_args()
+
+    model = build_model(
+        snapshot_path=Path(args.snapshot),
+        cutoff_event_date=args.cutoff_event_date,
+        min_bucket_count=args.min_bucket_count,
+    )
+    output = Path(args.output)
+    output.parent.mkdir(parents=True, exist_ok=True)
+    output.write_text(json.dumps(model, indent=2))
+    print(output)
+
+
+if __name__ == "__main__":
+    main()
diff --git a/apps/tools/deepeval_effective_n.py b/apps/tools/deepeval_effective_n.py
new file mode 100644
index 0000000..f1844a6
--- /dev/null
+++ b/apps/tools/deepeval_effective_n.py
@@ -0,0 +1,236 @@
+#!/usr/bin/env python3
+"""DeepEval Phase 2.2: Effective Independent Sample Count calculator.
+
+Reads engine attribution and trade blotter data from a backtest run to compute
+per-engine effective_n — the number of truly independent trade observations,
+accounting for same-ticker repeated events.
+
+Usage:
+    python -m apps.tools.deepeval_effective_n \
+        --run-dir runs/v1045_wfv/walk_forward/fold_07/train/bt_*
+
+    Or for all folds:
+    python -m apps.tools.deepeval_effective_n \
+        --wfv-dir runs/v1045_wfv
+"""
+from __future__ import annotations
+
+import argparse
+import csv
+import json
+from collections import defaultdict
+from datetime import date, timedelta
+from pathlib import Path
+
+MIN_GAP_DAYS = 126  # ~6 months between events for independence
+MAX_PER_TICKER = 3  # cap independent observations per ticker
+
+
+def load_trade_blotter(run_dir: Path) -> list[dict]:
+    """Load trade blotter from parquet or CSV."""
+    parquet_path = run_dir / "artifacts" / "trade_blotter.parquet"
+    if parquet_path.exists():
+        try:
+            import pyarrow.parquet as pq
+            table = pq.read_table(parquet_path)
+            return table.to_pylist()
+        except ImportError:
+            pass
+
+    csv_path = run_dir / "artifacts" / "trade_blotter.csv"
+    if csv_path.exists():
+        with open(csv_path) as f:
+            return list(csv.DictReader(f))
+    return []
+
+
+def load_attribution(run_dir: Path) -> dict[str, dict]:
+    """Load engine attribution CSV."""
+    csv_path = run_dir / "metrics" / "attribution_by_engine.csv"
+    if not csv_path.exists():
+        return {}
+    result = {}
+    with open(csv_path) as f:
+        for row in csv.DictReader(f):
+            result[row["engine_id"]] = row
+    return result
+
+
+def compute_effective_n(trades: list[dict], min_gap_days: int = MIN_GAP_DAYS) -> dict:
+    """Compute effective independent sample count for trades grouped by engine.
+
+    Returns dict of engine_id -> {
+        total_trades, unique_tickers, effective_n,
+        ticker_breakdown: {ticker: {total, independent}}
+    }
+    """
+    # Group trades by engine_id
+    by_engine: dict[str, list[dict]] = defaultdict(list)
+    for t in trades:
+        eid = t.get("engine_id", "default")
+        by_engine[eid].append(t)
+
+    results = {}
+    for engine_id, engine_trades in by_engine.items():
+        # Group by ticker
+        by_ticker: dict[str, list[date]] = defaultdict(list)
+        for t in engine_trades:
+            symbol = t.get("symbol", "")
+            entry_str = t.get("entry_date", "")
+            if isinstance(entry_str, str) and entry_str:
+                try:
+                    entry_date = date.fromisoformat(entry_str[:10])
+                except ValueError:
+                    continue
+            elif isinstance(entry_str, date):
+                entry_date = entry_str
+            else:
+                continue
+            by_ticker[symbol].append(entry_date)
+
+        ticker_breakdown = {}
+        effective_n = 0
+        for ticker, dates in by_ticker.items():
+            sorted_dates = sorted(dates)
+            independent = 1  # first event always counts
+            last_counted = sorted_dates[0]
+            for d in sorted_dates[1:]:
+                if (d - last_counted).days >= min_gap_days:
+                    independent += 1
+                    last_counted = d
+            capped = min(independent, MAX_PER_TICKER)
+            effective_n += capped
+            ticker_breakdown[ticker] = {
+                "total": len(dates),
+                "independent": independent,
+                "capped": capped,
+            }
+
+        results[engine_id] = {
+            "total_trades": len(engine_trades),
+            "unique_tickers": len(by_ticker),
+            "effective_n": effective_n,
+            "ticker_breakdown": ticker_breakdown,
+        }
+
+    return results
+
+
+def classify(effective_n: int) -> str:
+    if effective_n < 3:
+        return "shadow_only"
+    elif effective_n < 8:
+        return "reduced_budget"
+    else:
+        return "full_budget"
+
+
+def print_report(engine_stats: dict, attribution: dict) -> None:
+    """Print formatted report."""
+    print(f"\n{'Engine':<50} {'Trades':>6} {'Tickers':>7} {'Eff-N':>5} {'Class':<15} {'PnL':>10}")
+    print("-" * 100)
+
+    # Sort by effective_n ascending (worst first)
+    sorted_engines = sorted(engine_stats.items(), key=lambda x: x[1]["effective_n"])
+
+    shadow_count = 0
+    reduced_count = 0
+    full_count = 0
+
+    for eid, stats in sorted_engines:
+        cls = classify(stats["effective_n"])
+        if cls == "shadow_only":
+            shadow_count += 1
+        elif cls == "reduced_budget":
+            reduced_count += 1
+        else:
+            full_count += 1
+
+        pnl = ""
+        if eid in attribution:
+            pnl = f"${float(attribution[eid].get('net_pnl', 0)):>9,.0f}"
+
+        is_exact = "exact" in eid
+        marker = " *" if is_exact else ""
+        print(
+            f"{eid[:48] + marker:<50} "
+            f"{stats['total_trades']:>6} "
+            f"{stats['unique_tickers']:>7} "
+            f"{stats['effective_n']:>5} "
+            f"{cls:<15} "
+            f"{pnl:>10}"
+        )
+
+    print("-" * 100)
+    print(f"Shadow-only (eff_n < 3): {shadow_count}")
+    print(f"Reduced budget (3 <= eff_n < 8): {reduced_count}")
+    print(f"Full budget (eff_n >= 8): {full_count}")
+    print(f"Total engines with trades: {len(engine_stats)}")
+    print("(* = exact pocket engine)")
+
+
+def process_run_dir(run_dir: Path) -> dict:
+    """Process a single run directory."""
+    trades = load_trade_blotter(run_dir)
+    if not trades:
+        print(f"No trades found in {run_dir}")
+        return {}
+    attribution = load_attribution(run_dir)
+    return compute_effective_n(trades)
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(description="DeepEval Phase 2.2: Effective-N Calculator")
+    parser.add_argument("--run-dir", help="Single backtest run directory")
+    parser.add_argument("--wfv-dir", help="Walk-forward validation directory (processes all folds)")
+    parser.add_argument("--output", help="Save JSON report to file")
+    args = parser.parse_args()
+
+    if args.wfv_dir:
+        # Aggregate across all train folds
+        wfv_dir = Path(args.wfv_dir)
+        all_trades = []
+        for fold_dir in sorted(wfv_dir.glob("walk_forward/fold_*/train/bt_*")):
+            trades = load_trade_blotter(fold_dir)
+            all_trades.extend(trades)
+        if not all_trades:
+            print("No trades found in WFV folds")
+            return
+
+        print(f"Loaded {len(all_trades)} trades from WFV train folds")
+        engine_stats = compute_effective_n(all_trades)
+
+        # Load attribution from latest fold for PnL reference
+        latest_fold = sorted(wfv_dir.glob("walk_forward/fold_*/train/bt_*"))[-1] if all_trades else None
+        attribution = load_attribution(latest_fold) if latest_fold else {}
+
+    elif args.run_dir:
+        run_dir = Path(args.run_dir)
+        trades = load_trade_blotter(run_dir)
+        if not trades:
+            print(f"No trades found in {run_dir}")
+            return
+        engine_stats = compute_effective_n(trades)
+        attribution = load_attribution(run_dir)
+    else:
+        parser.error("Provide --run-dir or --wfv-dir")
+        return
+
+    print_report(engine_stats, attribution)
+
+    if args.output:
+        # Prepare serializable report
+        report = {}
+        for eid, stats in engine_stats.items():
+            report[eid] = {
+                **stats,
+                "classification": classify(stats["effective_n"]),
+                "is_exact": "exact" in eid,
+            }
+        with open(args.output, "w") as f:
+            json.dump(report, f, indent=2)
+        print(f"\nJSON report saved to {args.output}")
+
+
+if __name__ == "__main__":
+    main()
diff --git a/apps/tools/evaluate_book_overlay.py b/apps/tools/evaluate_book_overlay.py
new file mode 100644
index 0000000..d7c7909
--- /dev/null
+++ b/apps/tools/evaluate_book_overlay.py
@@ -0,0 +1,125 @@
+#!/usr/bin/env python3
+from __future__ import annotations
+
+import argparse
+import datetime as dt
+import json
+from pathlib import Path
+from typing import Any
+
+from apps.backtester.run import _build_merged_snapshot_store
+from libs.backtest.allocator import _macro_regime_state
+from libs.backtest.manifests import load_manifest, resolve_config
+from libs.backtest.overlay import (
+    build_overlay_curve,
+    load_equity_curve_csv,
+    load_merged_store_from_snapshot_dir,
+    summarize_overlay_curve,
+)
+from libs.common.config import get_settings
+
+
+def _parse_date(value: str | None) -> dt.date | None:
+    if not value:
+        return None
+    return dt.date.fromisoformat(value)
+
+
+def _compute_regimes(
+    *,
+    snapshot_dir: str | Path,
+    split: str,
+    config_path: str | Path,
+    start_date: dt.date | None,
+    end_date: dt.date | None,
+) -> dict[dt.date, str]:
+    del split  # overlay regimes should cover the full requested window, not a single split
+    manifest = load_manifest(config_path)
+    config = resolve_config(manifest, config_root=".")
+
+    raw_snapshot_dir = Path(snapshot_dir)
+    if (raw_snapshot_dir / "train.parquet").exists() or (raw_snapshot_dir / "test.parquet").exists():
+        settings = get_settings()
+        store = load_merged_store_from_snapshot_dir(
+            raw_snapshot_dir,
+            oracle_url=settings.stock_oracle_url,
+            db_dsn=settings.postgres_dsn,
+        )
+    else:
+        try:
+            store = _build_merged_snapshot_store(
+                manifest,
+                config,
+                snapshot_dir_override=str(raw_snapshot_dir),
+            )
+        except FileNotFoundError:
+            store = _build_merged_snapshot_store(
+                manifest,
+                config,
+                snapshot_dir_override=None,
+            )
+
+    if start_date or end_date:
+        lower = start_date or dt.date.min
+        upper = end_date or dt.date.max
+        store = store.slice_by_date_range(lower, upper)
+
+    regimes: dict[dt.date, str] = {}
+    for date in store.all_trading_days():
+        regimes[date] = _macro_regime_state(config, store.get_macro_for_date(date))
+    return regimes
+
+
+def _load_spec(path: str | Path) -> dict[str, Any]:
+    return json.loads(Path(path).read_text())
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(description="Evaluate a regime-switched overlay from book equity curves")
+    parser.add_argument("--spec", required=True, help="Path to overlay spec JSON")
+    parser.add_argument("--output-dir", required=True, help="Directory to write overlay outputs")
+    args = parser.parse_args()
+
+    spec = _load_spec(args.spec)
+    initial_equity = float(spec.get("initial_equity", 10_000.0))
+
+    curves = {
+        book["label"]: load_equity_curve_csv(book["equity_csv"])
+        for book in spec["books"]
+    }
+    regime_source = spec["regime_source"]
+    start_date = _parse_date(spec.get("start_date"))
+    end_date = _parse_date(spec.get("end_date"))
+    regimes = _compute_regimes(
+        snapshot_dir=regime_source["snapshot_dir"],
+        split=regime_source.get("split", "train"),
+        config_path=regime_source["config_path"],
+        start_date=start_date,
+        end_date=end_date,
+    )
+
+    curve = build_overlay_curve(
+        curves=curves,
+        allocations=spec["allocations"],
+        regimes_by_date=regimes,
+        initial_equity=initial_equity,
+    )
+    if start_date:
+        curve = curve[curve["date"] >= start_date]
+    if end_date:
+        curve = curve[curve["date"] <= end_date]
+
+    summary = summarize_overlay_curve(curve, initial_equity=initial_equity)
+    summary["overlay_name"] = spec.get("overlay_name", Path(args.spec).stem)
+    summary["books"] = [book["label"] for book in spec["books"]]
+    summary["allocations"] = spec["allocations"]
+
+    out_dir = Path(args.output_dir)
+    out_dir.mkdir(parents=True, exist_ok=True)
+    curve.assign(date=curve["date"].astype(str)).to_csv(out_dir / "overlay_equity.csv", index=False)
+    (out_dir / "overlay_summary.json").write_text(json.dumps(summary, indent=2) + "\n")
+    print(json.dumps(summary, indent=2))
+
+
+if __name__ == "__main__":
+    main()
diff --git a/apps/tools/management_change_analysis.py b/apps/tools/management_change_analysis.py
new file mode 100644
index 0000000..66a4d5d
--- /dev/null
+++ b/apps/tools/management_change_analysis.py
@@ -0,0 +1,508 @@
+"""Management Change Alpha Analysis — Phase 1 validation.
+
+Empirically tests whether management_change events produce tradeable
+PEAD-like signals (initial under-reaction followed by drift).
+
+Analyses:
+  1. Directional follow-through decomposition by initial reaction sign
+  2. Forward return profiles (mean, median, win rate) by holding period
+  3. MAE/MFE profiles
+  4. Filter effect simulation (document_quality, volume_ratio, market_cap)
+  5. Temporal distribution (monthly, quarterly, earnings-season overlap)
+
+Usage:
+  python -m apps.tools.management_change_analysis \
+    --snapshot-dir data/datasets/snapshots/midlarge-liquid-long-v1
+"""
+from __future__ import annotations
+
+import argparse
+import statistics
+from pathlib import Path
+from typing import Any
+
+import pyarrow.parquet as pq
+
+
+def _load_rows(snapshot_dir: Path, split: str) -> list[dict[str, Any]]:
+    parquet_path = snapshot_dir / f"{split}.parquet"
+    table = pq.read_table(parquet_path)
+    return table.to_pylist()
+
+
+def _safe_float(raw: Any) -> float | None:
+    try:
+        return float(raw)
+    except (TypeError, ValueError):
+        return None
+
+
+def _win_rate(values: list[float]) -> float:
+    if not values:
+        return 0.0
+    return sum(1 for v in values if v > 0) / len(values)
+
+
+def _pct(value: float) -> str:
+    return f"{value * 100:+.2f}%"
+
+
+def _fmt_pct(value: float) -> str:
+    return f"{value:.1%}"
+
+
+# ───────────────────────────────────────────────────────────────────
+# Analysis 1: Directional follow-through
+# ───────────────────────────────────────────────────────────────────
+
+def analyze_follow_through(mc_rows: list[dict]) -> None:
+    """Decompose follow-through by initial reaction direction."""
+    print("\n" + "=" * 70)
+    print("1. DIRECTIONAL FOLLOW-THROUGH DECOMPOSITION")
+    print("=" * 70)
+
+    horizons = [
+        ("fwd_return_1d", "1d"),
+        ("fwd_return_3d", "3d"),
+        ("fwd_return_5d", "5d"),
+        ("fwd_return_10d", "10d"),
+        ("fwd_return_20d", "20d"),
+    ]
+
+    groups = {
+        "bullish_reaction (ret > 0)": [r for r in mc_rows if (_safe_float(r.get("reaction_day_return")) or 0) > 0],
+        "bearish_reaction (ret < 0)": [r for r in mc_rows if (_safe_float(r.get("reaction_day_return")) or 0) < 0],
+        "flat_reaction (ret == 0)": [r for r in mc_rows if (_safe_float(r.get("reaction_day_return")) or 0) == 0],
+    }
+
+    for group_name, rows in groups.items():
+        if not rows:
+            continue
+        print(f"\n  {group_name}: N={len(rows)}")
+        print(f"  {'Horizon':<10} {'Mean':>10} {'Median':>10} {'WinRate':>10} {'StdDev':>10}")
+        print(f"  {'-'*50}")
+        for col, label in horizons:
+            vals = [float(r[col]) for r in rows if r.get(col) is not None]
+            if not vals:
+                continue
+            mean = statistics.mean(vals)
+            median = statistics.median(vals)
+            wr = _win_rate(vals)
+            sd = statistics.stdev(vals) if len(vals) > 1 else 0.0
+            print(f"  {label:<10} {_pct(mean):>10} {_pct(median):>10} {_fmt_pct(wr):>10} {_pct(sd):>10}")
+
+
+# ───────────────────────────────────────────────────────────────────
+# Analysis 2: Return profile
+# ───────────────────────────────────────────────────────────────────
+
+def analyze_return_profile(mc_rows: list[dict]) -> None:
+    """Forward return statistics at each horizon."""
+    print("\n" + "=" * 70)
+    print("2. RETURN PROFILE (all management_change)")
+    print("=" * 70)
+    print(f"  Total events: {len(mc_rows)}")
+
+    horizons = [
+        ("fwd_return_1d", "1d"),
+        ("fwd_return_3d", "3d"),
+        ("fwd_return_5d", "5d"),
+        ("fwd_return_10d", "10d"),
+        ("fwd_return_20d", "20d"),
+    ]
+
+    print(f"\n  {'Horizon':<10} {'Mean':>10} {'Median':>10} {'WinRate':>10} {'P25':>10} {'P75':>10}")
+    print(f"  {'-'*60}")
+    for col, label in horizons:
+        vals = sorted([float(r[col]) for r in mc_rows if r.get(col) is not None])
+        if not vals:
+            continue
+        mean = statistics.mean(vals)
+        median = statistics.median(vals)
+        wr = _win_rate(vals)
+        p25 = vals[len(vals) // 4]
+        p75 = vals[3 * len(vals) // 4]
+        print(f"  {label:<10} {_pct(mean):>10} {_pct(median):>10} {_fmt_pct(wr):>10} {_pct(p25):>10} {_pct(p75):>10}")
+
+
+# ───────────────────────────────────────────────────────────────────
+# Analysis 3: MAE/MFE profile
+# ───────────────────────────────────────────────────────────────────
+
+def analyze_mae_mfe(mc_rows: list[dict]) -> None:
+    """Maximum Adverse/Favorable Excursion by horizon."""
+    print("\n" + "=" * 70)
+    print("3. MAE / MFE PROFILE")
+    print("=" * 70)
+
+    windows = [("3d", "mae_3d", "mfe_3d"), ("5d", "mae_5d", "mfe_5d"),
+               ("10d", "mae_10d", "mfe_10d"), ("20d", "mae_20d", "mfe_20d")]
+
+    print(f"\n  {'Window':<8} {'MAE_mean':>10} {'MAE_med':>10} {'MFE_mean':>10} {'MFE_med':>10} {'MFE/MAE':>10}")
+    print(f"  {'-'*58}")
+    for label, mae_col, mfe_col in windows:
+        mae_vals = [abs(float(r[mae_col])) for r in mc_rows if r.get(mae_col) is not None]
+        mfe_vals = [float(r[mfe_col]) for r in mc_rows if r.get(mfe_col) is not None]
+        if not mae_vals or not mfe_vals:
+            continue
+        mae_mean = statistics.mean(mae_vals)
+        mae_med = statistics.median(mae_vals)
+        mfe_mean = statistics.mean(mfe_vals)
+        mfe_med = statistics.median(mfe_vals)
+        ratio = mfe_mean / mae_mean if mae_mean > 0 else 0
+        print(f"  {label:<8} {_pct(mae_mean):>10} {_pct(mae_med):>10} {_pct(mfe_mean):>10} {_pct(mfe_med):>10} {ratio:>10.2f}")
+
+
+# ───────────────────────────────────────────────────────────────────
+# Analysis 4: Filter effect simulation
+# ───────────────────────────────────────────────────────────────────
+
+def analyze_filter_effects(mc_rows: list[dict]) -> None:
+    """Test how filters affect count and follow-through quality."""
+    print("\n" + "=" * 70)
+    print("4. FILTER EFFECT SIMULATION")
+    print("=" * 70)
+
+    filters = [
+        ("No filter (baseline)", lambda r: True),
+        ("reaction_day_return > 0 (bullish)", lambda r: (_safe_float(r.get("reaction_day_return")) or 0) > 0),
+        ("reaction_day_return > 0.02", lambda r: (_safe_float(r.get("reaction_day_return")) or 0) > 0.02),
+        ("reaction_day_return > 0.03", lambda r: (_safe_float(r.get("reaction_day_return")) or 0) > 0.03),
+        ("reaction_day_return > 0.05", lambda r: (_safe_float(r.get("reaction_day_return")) or 0) > 0.05),
+        ("document_quality >= 0.5", lambda r: (_safe_float(r.get("document_quality_score")) or 0) >= 0.5),
+        ("volume_ratio >= 1.5x", lambda r: (_safe_float(r.get("volume_ratio_20d")) or 0) >= 1.5),
+        ("volume_ratio >= 1.2x", lambda r: (_safe_float(r.get("volume_ratio_20d")) or 0) >= 1.2),
+        ("market_cap >= $2B", lambda r: (_safe_float(r.get("market_cap_proxy")) or 0) >= 2e9),
+        ("market_cap >= $5B", lambda r: (_safe_float(r.get("market_cap_proxy")) or 0) >= 5e9),
+        ("close_location >= 0.5", lambda r: (_safe_float(r.get("close_location")) or 0) >= 0.5),
+        ("close_location >= 0.6", lambda r: (_safe_float(r.get("close_location")) or 0) >= 0.6),
+        # Combined filters
+        ("bullish + doc>=0.5", lambda r: (
+            (_safe_float(r.get("reaction_day_return")) or 0) > 0
+            and (_safe_float(r.get("document_quality_score")) or 0) >= 0.5
+        )),
+        ("bullish + vol>=1.2", lambda r: (
+            (_safe_float(r.get("reaction_day_return")) or 0) > 0
+            and (_safe_float(r.get("volume_ratio_20d")) or 0) >= 1.2
+        )),
+        ("bullish + close>=0.5", lambda r: (
+            (_safe_float(r.get("reaction_day_return")) or 0) > 0
+            and (_safe_float(r.get("close_location")) or 0) >= 0.5
+        )),
+        ("bullish + doc>=0.5 + close>=0.5", lambda r: (
+            (_safe_float(r.get("reaction_day_return")) or 0) > 0
+            and (_safe_float(r.get("document_quality_score")) or 0) >= 0.5
+            and (_safe_float(r.get("close_location")) or 0) >= 0.5
+        )),
+        ("bullish + doc>=0.5 + vol>=1.2", lambda r: (
+            (_safe_float(r.get("reaction_day_return")) or 0) > 0
+            and (_safe_float(r.get("document_quality_score")) or 0) >= 0.5
+            and (_safe_float(r.get("volume_ratio_20d")) or 0) >= 1.2
+        )),
+        ("ret>0.03 + doc>=0.5", lambda r: (
+            (_safe_float(r.get("reaction_day_return")) or 0) > 0.03
+            and (_safe_float(r.get("document_quality_score")) or 0) >= 0.5
+        )),
+        ("ret>0.03 + close>=0.5", lambda r: (
+            (_safe_float(r.get("reaction_day_return")) or 0) > 0.03
+            and (_safe_float(r.get("close_location")) or 0) >= 0.5
+        )),
+    ]
+
+    horizons = ["fwd_return_5d", "fwd_return_10d", "fwd_return_20d"]
+    h_labels = ["5d", "10d", "20d"]
+
+    header = f"  {'Filter':<42} {'N':>5}"
+    for h in h_labels:
+        header += f" {'WR_' + h:>8} {'Mean_' + h:>10}"
+    header += f" {'AnnFreq':>8}"
+    print(f"\n{header}")
+    print(f"  {'-' * (len(header) - 2)}")
+
+    # Compute date range for annualization
+    dates = sorted(set(r.get("event_date", "") for r in mc_rows if r.get("event_date")))
+    if len(dates) >= 2:
+        from datetime import datetime
+        d0 = datetime.strptime(str(dates[0])[:10], "%Y-%m-%d")
+        d1 = datetime.strptime(str(dates[-1])[:10], "%Y-%m-%d")
+        years = max((d1 - d0).days / 365.25, 0.5)
+    else:
+        years = 1.0
+
+    for name, fn in filters:
+        filtered = [r for r in mc_rows if fn(r)]
+        n = len(filtered)
+        ann_freq = n / years
+
+        row_str = f"  {name:<42} {n:>5}"
+        for h_col in horizons:
+            vals = [float(r[h_col]) for r in filtered if r.get(h_col) is not None]
+            if vals:
+                wr = _win_rate(vals)
+                mean = statistics.mean(vals)
+                row_str += f" {_fmt_pct(wr):>8} {_pct(mean):>10}"
+            else:
+                row_str += f" {'N/A':>8} {'N/A':>10}"
+        row_str += f" {ann_freq:>7.1f}"
+        print(row_str)
+
+
+# ───────────────────────────────────────────────────────────────────
+# Analysis 5: Temporal distribution
+# ───────────────────────────────────────────────────────────────────
+
+def analyze_temporal_distribution(mc_rows: list[dict]) -> None:
+    """Monthly and quarterly frequency, earnings season overlap."""
+    print("\n" + "=" * 70)
+    print("5. TEMPORAL DISTRIBUTION")
+    print("=" * 70)
+
+    from datetime import datetime
+
+    months: dict[str, int] = {}
+    quarters: dict[str, int] = {}
+    earnings_months = {1, 2, 4, 5, 7, 8, 10, 11}  # typical earnings season months
+
+    in_season = 0
+    out_season = 0
+
+    for r in mc_rows:
+        ed = str(r.get("event_date", ""))[:10]
+        if len(ed) < 7:
+            continue
+        try:
+            dt = datetime.strptime(ed, "%Y-%m-%d")
+        except ValueError:
+            continue
+
+        ym = f"{dt.year}-{dt.month:02d}"
+        yq = f"{dt.year}-Q{(dt.month - 1) // 3 + 1}"
+
+        months[ym] = months.get(ym, 0) + 1
+        quarters[yq] = quarters.get(yq, 0) + 1
+
+        if dt.month in earnings_months:
+            in_season += 1
+        else:
+            out_season += 1
+
+    total = in_season + out_season
+
+    print(f"\n  Earnings season months (Jan/Feb/Apr/May/Jul/Aug/Oct/Nov): {in_season} ({in_season/total:.0%})")
+    print(f"  Non-earnings months (Mar/Jun/Sep/Dec): {out_season} ({out_season/total:.0%})")
+    print(f"  --> Temporal diversification: {'GOOD' if out_season / total >= 0.20 else 'POOR'}")
+
+    print(f"\n  Quarterly distribution:")
+    for q in sorted(quarters.keys()):
+        bar = "#" * quarters[q]
+        print(f"    {q}: {quarters[q]:>3}  {bar}")
+
+    # Monthly avg
+    if months:
+        avg_per_month = statistics.mean(months.values())
+        print(f"\n  Average events per month: {avg_per_month:.1f}")
+        print(f"  Total months with events: {len(months)}/{len(months)}")
+        print(f"  Min/Max per month: {min(months.values())}/{max(months.values())}")
+
+
+# ───────────────────────────────────────────────────────────────────
+# Analysis 6: Comparison vs earnings_release baseline
+# ───────────────────────────────────────────────────────────────────
+
+def analyze_vs_earnings(mc_rows: list[dict], all_rows: list[dict]) -> None:
+    """Compare MC follow-through to earnings_release baseline."""
+    print("\n" + "=" * 70)
+    print("6. MANAGEMENT_CHANGE vs EARNINGS_RELEASE COMPARISON")
+    print("=" * 70)
+
+    er_rows = [r for r in all_rows if r.get("event_type") == "earnings_release"]
+
+    # Bullish subsets
+    mc_bull = [r for r in mc_rows if (_safe_float(r.get("reaction_day_return")) or 0) > 0]
+    er_bull = [r for r in er_rows if (_safe_float(r.get("reaction_day_return")) or 0) > 0]
+
+    horizons = [
+        ("fwd_return_5d", "5d"),
+        ("fwd_return_10d", "10d"),
+        ("fwd_return_20d", "20d"),
+    ]
+
+    print(f"\n  ALL events:")
+    print(f"  {'Metric':<20} {'MC (N={len(mc_rows)})':>20} {'ER (N={len(er_rows)})':>20}")
+    print(f"  {'-'*60}")
+    for col, label in horizons:
+        mc_vals = [float(r[col]) for r in mc_rows if r.get(col) is not None]
+        er_vals = [float(r[col]) for r in er_rows if r.get(col) is not None]
+        mc_wr = _win_rate(mc_vals) if mc_vals else 0
+        er_wr = _win_rate(er_vals) if er_vals else 0
+        mc_mean = statistics.mean(mc_vals) if mc_vals else 0
+        er_mean = statistics.mean(er_vals) if er_vals else 0
+        print(f"  {label + ' WR':<20} {_fmt_pct(mc_wr):>20} {_fmt_pct(er_wr):>20}")
+        print(f"  {label + ' Mean':<20} {_pct(mc_mean):>20} {_pct(er_mean):>20}")
+
+    print(f"\n  BULLISH reaction only (ret > 0):")
+    print(f"  {'Metric':<20} {'MC (N={len(mc_bull)})':>20} {'ER (N={len(er_bull)})':>20}")
+    print(f"  {'-'*60}")
+    for col, label in horizons:
+        mc_vals = [float(r[col]) for r in mc_bull if r.get(col) is not None]
+        er_vals = [float(r[col]) for r in er_bull if r.get(col) is not None]
+        mc_wr = _win_rate(mc_vals) if mc_vals else 0
+        er_wr = _win_rate(er_vals) if er_vals else 0
+        mc_mean = statistics.mean(mc_vals) if mc_vals else 0
+        er_mean = statistics.mean(er_vals) if er_vals else 0
+        print(f"  {label + ' WR':<20} {_fmt_pct(mc_wr):>20} {_fmt_pct(er_wr):>20}")
+        print(f"  {label + ' Mean':<20} {_pct(mc_mean):>20} {_pct(er_mean):>20}")
+
+
+# ───────────────────────────────────────────────────────────────────
+# Analysis 7: Reaction magnitude buckets
+# ───────────────────────────────────────────────────────────────────
+
+def analyze_reaction_buckets(mc_rows: list[dict]) -> None:
+    """Break down follow-through by reaction magnitude bucket."""
+    print("\n" + "=" * 70)
+    print("7. FOLLOW-THROUGH BY REACTION MAGNITUDE BUCKET")
+    print("=" * 70)
+
+    buckets = [
+        ("ret < -5%", lambda r: (_safe_float(r.get("reaction_day_return")) or 0) < -0.05),
+        ("-5% <= ret < -2%", lambda r: -0.05 <= (_safe_float(r.get("reaction_day_return")) or 0) < -0.02),
+        ("-2% <= ret < 0%", lambda r: -0.02 <= (_safe_float(r.get("reaction_day_return")) or 0) < 0),
+        ("0% <= ret < 2%", lambda r: 0 <= (_safe_float(r.get("reaction_day_return")) or 0) < 0.02),
+        ("2% <= ret < 5%", lambda r: 0.02 <= (_safe_float(r.get("reaction_day_return")) or 0) < 0.05),
+        ("5% <= ret < 10%", lambda r: 0.05 <= (_safe_float(r.get("reaction_day_return")) or 0) < 0.10),
+        ("ret >= 10%", lambda r: (_safe_float(r.get("reaction_day_return")) or 0) >= 0.10),
+    ]
+
+    print(f"\n  {'Bucket':<22} {'N':>5} {'5d_WR':>8} {'5d_Mean':>10} {'10d_WR':>8} {'10d_Mean':>10} {'20d_WR':>8} {'20d_Mean':>10}")
+    print(f"  {'-'*90}")
+
+    for name, fn in buckets:
+        filtered = [r for r in mc_rows if fn(r)]
+        n = len(filtered)
+        if n == 0:
+            continue
+
+        parts = f"  {name:<22} {n:>5}"
+        for col in ["fwd_return_5d", "fwd_return_10d", "fwd_return_20d"]:
+            vals = [float(r[col]) for r in filtered if r.get(col) is not None]
+            if vals:
+                wr = _win_rate(vals)
+                mean = statistics.mean(vals)
+                parts += f" {_fmt_pct(wr):>8} {_pct(mean):>10}"
+            else:
+                parts += f" {'N/A':>8} {'N/A':>10}"
+        print(parts)
+
+
+# ───────────────────────────────────────────────────────────────────
+# Judgment summary
+# ───────────────────────────────────────────────────────────────────
+
+def print_judgment(mc_rows: list[dict], years: float) -> None:
+    """Evaluate against Phase 1 pass/fail criteria."""
+    print("\n" + "=" * 70)
+    print("PHASE 1 JUDGMENT CRITERIA")
+    print("=" * 70)
+
+    # Criterion 1: Bullish reaction -> 5d forward return positive >= 55%
+    bullish = [r for r in mc_rows if (_safe_float(r.get("reaction_day_return")) or 0) > 0]
+    bull_5d = [float(r["fwd_return_5d"]) for r in bullish if r.get("fwd_return_5d") is not None]
+    bull_wr = _win_rate(bull_5d) if bull_5d else 0
+
+    # Criterion 2: Filtered events >= 30/year
+    # Use "bullish + doc>=0.5" as a reasonable filter combo
+    filtered = [r for r in mc_rows
+                if (_safe_float(r.get("reaction_day_return")) or 0) > 0
+                and (_safe_float(r.get("document_quality_score")) or 0) >= 0.5]
+    ann_freq = len(filtered) / years
+
+    # Criterion 3: Temporal diversification (non-earnings-season >= 20%)
+    from datetime import datetime
+    earnings_months = {1, 2, 4, 5, 7, 8, 10, 11}
+    out_season = 0
+    total = 0
+    for r in mc_rows:
+        ed = str(r.get("event_date", ""))[:10]
+        try:
+            dt = datetime.strptime(ed, "%Y-%m-%d")
+            total += 1
+            if dt.month not in earnings_months:
+                out_season += 1
+        except ValueError:
+            pass
+    temporal_div = out_season / total if total > 0 else 0
+
+    # Criterion 4: Win rate >= 52% (all bullish MC at 5d)
+    overall_wr = bull_wr  # same as criterion 1
+
+    # Print results
+    c1_pass = bull_wr >= 0.55
+    c2_pass = ann_freq >= 30
+    c3_pass = temporal_div >= 0.20
+    c4_pass = overall_wr >= 0.52
+    all_pass = c1_pass and c2_pass and c3_pass and c4_pass
+
+    def _status(ok: bool) -> str:
+        return "PASS" if ok else "FAIL"
+
+    print(f"\n  1. Bullish reaction -> 5d WR >= 55%:   {_fmt_pct(bull_wr):>8}  [{_status(c1_pass)}]")
+    print(f"  2. Filtered events >= 30/year:          {ann_freq:>7.1f}  [{_status(c2_pass)}]")
+    print(f"  3. Temporal diversification >= 20%:     {_fmt_pct(temporal_div):>8}  [{_status(c3_pass)}]")
+    print(f"  4. Win rate >= 52%:                     {_fmt_pct(overall_wr):>8}  [{_status(c4_pass)}]")
+    print(f"\n  OVERALL: {'>>> PROCEED TO PHASE 2 <<<' if all_pass else '>>> DOES NOT PASS — review filter combos above <<<'}")
+
+    # Also check best filter combo that might pass
+    if not all_pass:
+        print(f"\n  NOTE: Check Section 4 filter combos for alternative thresholds that may pass.")
+
+
+# ───────────────────────────────────────────────────────────────────
+# Main
+# ───────────────────────────────────────────────────────────────────
+
+def main() -> None:
+    parser = argparse.ArgumentParser(description="Management Change Alpha Analysis")
+    parser.add_argument("--snapshot-dir", type=str,
+                        default="data/datasets/snapshots/midlarge-liquid-long-v1")
+    parser.add_argument("--split", type=str, default="train",
+                        help="Which split to analyze (default: train)")
+    args = parser.parse_args()
+
+    snapshot_dir = Path(args.snapshot_dir)
+    print(f"Loading {args.split} from {snapshot_dir} ...")
+
+    all_rows = _load_rows(snapshot_dir, args.split)
+    mc_rows = [r for r in all_rows if r.get("event_type") == "management_change"]
+
+    print(f"Total events: {len(all_rows)}")
+    print(f"management_change events: {len(mc_rows)}")
+
+    if not mc_rows:
+        print("No management_change events found. Exiting.")
+        return
+
+    # Compute years for annualization
+    from datetime import datetime
+    dates = sorted(set(str(r.get("event_date", ""))[:10] for r in mc_rows))
+    dates = [d for d in dates if len(d) >= 10]
+    if len(dates) >= 2:
+        d0 = datetime.strptime(dates[0], "%Y-%m-%d")
+        d1 = datetime.strptime(dates[-1], "%Y-%m-%d")
+        years = max((d1 - d0).days / 365.25, 0.5)
+    else:
+        years = 1.0
+    print(f"Date range: {dates[0]} to {dates[-1]} ({years:.1f} years)")
+
+    analyze_follow_through(mc_rows)
+    analyze_return_profile(mc_rows)
+    analyze_mae_mfe(mc_rows)
+    analyze_filter_effects(mc_rows)
+    analyze_temporal_distribution(mc_rows)
+    analyze_vs_earnings(mc_rows, all_rows)
+    analyze_reaction_buckets(mc_rows)
+    print_judgment(mc_rows, years)
+
+
+if __name__ == "__main__":
+    main()
diff --git a/apps/tools/run_deepeval_phase1.py b/apps/tools/run_deepeval_phase1.py
new file mode 100644
index 0000000..387b697
--- /dev/null
+++ b/apps/tools/run_deepeval_phase1.py
@@ -0,0 +1,128 @@
+#!/usr/bin/env python3
+"""DeepEval Phase 1: Run WFV comparison matrix (clean lineage).
+
+Usage:
+    python -m apps.tools.run_deepeval_phase1 [--output-root runs/deepeval_phase1]
+
+Runs walk-forward validation for:
+  1.1 Clean lineage baseline
+  1.2 Clean lineage replay of legacy v0.326
+
+Then prints a comparison matrix.
+"""
+from __future__ import annotations
+
+import argparse
+import json
+import subprocess
+import sys
+from pathlib import Path
+from concurrent.futures import ProcessPoolExecutor, as_completed
+
+
+CONFIGS = {
+    "v1.1_clean_baseline": "configs/experiments/return_max_long_v1.1.json",
+    "v1.2_clean_replay": "configs/experiments/return_max_long_v1.2.json",
+}
+
+WF_TRAIN_DAYS = 504
+WF_TEST_DAYS = 63
+
+
+def run_single_wfv(label: str, manifest_path: str, output_root: str) -> dict:
+    """Run a single WFV and return the summary dict."""
+    out_dir = str(Path(output_root) / label)
+    cmd = [
+        sys.executable, "-m", "apps.backtester.run",
+        "--manifest", manifest_path,
+        "--walk-forward",
+        "--wf-train-days", str(WF_TRAIN_DAYS),
+        "--wf-test-days", str(WF_TEST_DAYS),
+        "--output-root", out_dir,
+        "--initial-equity", "100000",
+        "--snapshot-dir", "data/datasets/snapshots",
+    ]
+    print(f"[{label}] Starting WFV...")
+    result = subprocess.run(cmd, capture_output=True, text=True)
+    if result.returncode != 0:
+        print(f"[{label}] FAILED:\n{result.stderr[-500:]}")
+        return {"label": label, "error": result.stderr[-500:]}
+
+    summary_path = Path(out_dir) / "walk_forward" / "walk_forward_summary.json"
+    if not summary_path.exists():
+        print(f"[{label}] WARNING: summary not found at {summary_path}")
+        return {"label": label, "error": "summary not found"}
+
+    with open(summary_path) as f:
+        summary = json.load(f)
+    print(f"[{label}] Done. Test mean return: {summary['test_aggregate']['mean_return_pct']:.1f}%")
+    return {"label": label, "summary": summary}
+
+
+def print_comparison_matrix(results: list[dict]) -> None:
+    """Print a formatted comparison matrix."""
+    print("\n" + "=" * 90)
+    print("DeepEval Phase 1 — WFV Comparison Matrix")
+    print("=" * 90)
+
+    header = f"{'Config':<25} {'Test Mean%':>10} {'Test Med%':>10} {'Test Worst%':>11} {'Train-Test Gap':>14} {'Test Sharpe':>11}"
+    print(header)
+    print("-" * 90)
+
+    for r in results:
+        label = r["label"]
+        if "error" in r:
+            print(f"{label:<25} {'ERROR':>10}")
+            continue
+        s = r["summary"]
+        ta = s["test_aggregate"]
+        gap = s["gap_stats"]
+        print(
+            f"{label:<25} "
+            f"{ta['mean_return_pct']:>10.1f} "
+            f"{ta['median_return_pct']:>10.1f} "
+            f"{ta['worst_return_pct']:>11.1f} "
+            f"{gap['mean_train_test_return_gap_pct']:>14.1f} "
+            f"{ta.get('mean_profit_factor', 0):>11.1f}"
+        )
+
+    print("=" * 90)
+    print("\nKey interpretation:")
+    print("  - v1.1 is the clean-lineage baseline")
+    print("  - v1.2 is the clean-lineage replay of legacy v0.326 non-exact core")
+    print("  - Train-Test Gap: lower is better (less overfitting)")
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(description="DeepEval Phase 1: WFV Comparison Matrix")
+    parser.add_argument("--output-root", default="runs/deepeval_phase1", help="Output directory")
+    parser.add_argument("--parallel", type=int, default=2, help="Max parallel WFV runs")
+    args = parser.parse_args()
+
+    results = []
+    if args.parallel > 1:
+        with ProcessPoolExecutor(max_workers=args.parallel) as executor:
+            futures = {
+                executor.submit(run_single_wfv, label, path, args.output_root): label
+                for label, path in CONFIGS.items()
+            }
+            for future in as_completed(futures):
+                results.append(future.result())
+    else:
+        for label, path in CONFIGS.items():
+            results.append(run_single_wfv(label, path, args.output_root))
+
+    # Sort by label for consistent output
+    results.sort(key=lambda r: r["label"])
+    print_comparison_matrix(results)
+
+    # Save raw results
+    out_path = Path(args.output_root) / "phase1_comparison.json"
+    out_path.parent.mkdir(parents=True, exist_ok=True)
+    with open(out_path, "w") as f:
+        json.dump(results, f, indent=2, default=str)
+    print(f"\nRaw results saved to {out_path}")
+
+
+if __name__ == "__main__":
+    main()
diff --git a/apps/tools/run_fullsplit_batch.py b/apps/tools/run_fullsplit_batch.py
new file mode 100644
index 0000000..50d2950
--- /dev/null
+++ b/apps/tools/run_fullsplit_batch.py
@@ -0,0 +1,89 @@
+#!/usr/bin/env python3
+from __future__ import annotations
+
+import argparse
+import json
+import subprocess
+import sys
+from pathlib import Path
+
+
+def parse_args() -> argparse.Namespace:
+    parser = argparse.ArgumentParser(description="Run train/valid/test backtests for multiple manifests.")
+    parser.add_argument("--manifest", action="append", required=True, help="Experiment manifest path. Repeat for multiple manifests.")
+    parser.add_argument("--snapshot-dir", default="data/datasets/snapshots", help="Snapshot root directory.")
+    parser.add_argument("--output-root", required=True, help="Root directory for run artifacts.")
+    parser.add_argument("--summary-path", required=True, help="Path to write summary JSON.")
+    return parser.parse_args()
+
+
+def run_split(root: Path, manifest: str, split: str, output_root: Path, snapshot_dir: str) -> dict[str, object]:
+    cmd = [
+        sys.executable,
+        "apps/backtester/run.py",
+        "--manifest",
+        manifest,
+        "--snapshot-dir",
+        snapshot_dir,
+        "--split",
+        split,
+        "--output-root",
+        str(output_root),
+    ]
+    result = subprocess.run(
+        cmd,
+        cwd=root,
+        stdout=subprocess.PIPE,
+        stderr=subprocess.STDOUT,
+        text=True,
+        check=False,
+    )
+    tail = result.stdout.splitlines()[-5:] if result.stdout else []
+    for line in tail:
+        print(line)
+    if result.returncode != 0:
+        raise RuntimeError(f"{Path(manifest).stem} {split} failed:\n{result.stdout}")
+
+    latest = max(output_root.glob("bt_*"), key=lambda path: path.stat().st_mtime)
+    summary = json.loads((latest / "metrics" / "metrics_summary.json").read_text())
+    return {
+        "run_id": latest.name,
+        "ret": summary["total_return_pct"],
+        "dd": summary["max_drawdown_pct"],
+        "n": summary["trade_count"],
+        "pf": summary["profit_factor"],
+    }
+
+
+def main() -> None:
+    args = parse_args()
+    root = Path(__file__).resolve().parents[2]
+    output_root = Path(args.output_root)
+    output_root.mkdir(parents=True, exist_ok=True)
+
+    rows: list[dict[str, object]] = []
+    for manifest in args.manifest:
+        exp_name = Path(manifest).stem
+        print(f"RUN {exp_name}", flush=True)
+        exp_root = output_root / exp_name
+        exp_root.mkdir(parents=True, exist_ok=True)
+        metrics = {
+            split: run_split(root, manifest, split, exp_root, args.snapshot_dir)
+            for split in ("train", "valid", "test")
+        }
+        rows.append({"experiment": exp_name, "metrics": metrics})
+
+    summary_path = Path(args.summary_path)
+    summary_path.parent.mkdir(parents=True, exist_ok=True)
+    summary_path.write_text(json.dumps(rows, indent=2) + "\n")
+    print(f"WROTE {summary_path}")
+    for row in rows:
+        metrics = row["metrics"]
+        print(
+            row["experiment"],
+            f"tr={metrics['train']['ret']:.2f} v={metrics['valid']['ret']:.2f} t={metrics['test']['ret']:.2f}",
+        )
+
+
+if __name__ == "__main__":
+    main()
diff --git a/apps/tools/simulate_2week.py b/apps/tools/simulate_2week.py
new file mode 100644
index 0000000..aed9a72
--- /dev/null
+++ b/apps/tools/simulate_2week.py
@@ -0,0 +1,336 @@
+"""2-week paper trading simulation using real pipeline DB + MockBroker.
+
+Simulates what would have happened during March 8-21, 2026 for sessions v236 and v4.41.
+Uses real EventDetector (connects to PostgreSQL pipeline DB) but replaces Alpaca with
+a MockBroker that fills orders using Oracle historical price data.
+
+Usage:
+    python -m apps.tools.simulate_2week
+"""
+from __future__ import annotations
+
+import asyncio
+import datetime as dt
+import os
+import sys
+import tempfile
+from pathlib import Path
+from typing import Any
+
+# ── Load .env ─────────────────────────────────────────────────────────────────
+_ENV_FILE = Path(__file__).parent.parent.parent / ".env"
+if _ENV_FILE.exists():
+    for _line in _ENV_FILE.read_text().splitlines():
+        _line = _line.strip()
+        if _line and not _line.startswith("#") and "=" in _line:
+            _k, _, _v = _line.partition("=")
+            os.environ.setdefault(_k.strip(), _v.strip())
+
+# ── Verify Oracle is reachable before heavy imports ───────────────────────────
+_ORACLE_URL = os.environ.get("STOCK_ORACLE_URL", "http://localhost:18001")
+_POSTGRES_DSN = os.environ.get("POSTGRES_DSN", "")
+
+from rich.console import Console
+from rich.table import Table
+from rich import box as rbox
+
+console = Console(width=120)
+
+
+# ─────────────────────────────────────────────────────────────────────────────
+# MockBroker + helpers (imported from mock_broker module)
+# ─────────────────────────────────────────────────────────────────────────────
+
+from apps.paper_trader.mock_broker import MockBroker, get_event_symbols_from_db, prefetch_bars as _prefetch_bars
+
+
+async def prefetch_bars(
+    symbols: list[str],
+    start: dt.date,
+    end: dt.date,
+    oracle_url: str,
+) -> dict[str, dict[dt.date, dict]]:
+    return await _prefetch_bars(symbols, start, end, oracle_url, console=console)
+
+
+# ─────────────────────────────────────────────────────────────────────────────
+# Simulation runner
+# ─────────────────────────────────────────────────────────────────────────────
+
+async def run_simulation(
+    session_name: str,
+    config_path: str,
+    initial_equity: float,
+    trading_days: list[dt.date],
+    bars_cache: dict[str, dict[dt.date, dict]],
+    db_dsn: str,
+    oracle_url: str,
+) -> dict[str, Any]:
+    """Run phased simulation for one session. Returns summary."""
+    import tempfile
+    from apps.paper_trader.state import StateManager, SessionRow
+    from apps.paper_trader.event_detector import EventDetector
+    from apps.paper_trader.engine import PaperTradingEngine
+
+    # Temp SQLite DB (won't touch production DB)
+    tmp = tempfile.NamedTemporaryFile(suffix=".db", delete=False)
+    tmp.close()
+    tmp_db = tmp.name
+
+    state = StateManager(tmp_db)
+    session_id = state.create_session(
+        session_name=session_name,
+        config_path=config_path,
+        initial_equity=initial_equity,
+    )
+    session = state.get_session(session_id)
+
+    broker = MockBroker(initial_equity=initial_equity, bars_cache=bars_cache)
+    detector = EventDetector(db_dsn=db_dsn, oracle_url=oracle_url)
+    engine = PaperTradingEngine(
+        session=session,
+        broker=broker,
+        state=state,
+        event_detector=detector,
+    )
+
+    all_entries: list[dict] = []
+    all_exits: list[dict] = []
+    daily_summaries: list[dict] = []
+
+    console.print(f"\n[bold cyan]Session: {session_name}[/]  config: {config_path}")
+    console.print(f"  Equity: ${initial_equity:,.0f}  |  Days: {trading_days[0]} → {trading_days[-1]}\n")
+
+    for day in trading_days:
+        # ── run-open: exits + after-close entries ──────────────────────────
+        broker.set_sim_context(day, "open")
+        open_result = await engine.run_next_open(target_date=day, force=True)
+
+        # ── run-close: same-day entries ────────────────────────────────────
+        broker.set_sim_context(day, "close")
+        close_result = await engine.run_reaction_close(target_date=day, force=True)
+
+        acct = broker.get_account()
+        exits_today = open_result.get("exits", [])
+        entries_open = open_result.get("entries", [])
+        entries_close = close_result.get("entries", [])
+        candidates_open = open_result.get("candidates_detected", 0)
+        candidates_close = close_result.get("candidates_detected", 0)
+        rejected_open = open_result.get("rejected", [])
+        rejected_close = close_result.get("rejected", [])
+
+        for e in exits_today:
+            e["exit_date"] = day.isoformat()
+        for e in entries_open:
+            e["entry_date"] = day.isoformat()
+            e["convention"] = "next_open"
+        for e in entries_close:
+            e["entry_date"] = day.isoformat()
+            e["convention"] = "reaction_close"
+
+        all_exits.extend(exits_today)
+        all_entries.extend(entries_open + entries_close)
+
+        summary = {
+            "date": day,
+            "equity": acct.equity,
+            "cash": acct.cash,
+            "market_value": acct.long_market_value,
+            "positions": len(broker.list_positions()),
+            "exits": len(exits_today),
+            "entries": len(entries_open) + len(entries_close),
+            "candidates": candidates_open + candidates_close,
+            "rejected": len(rejected_open) + len(rejected_close),
+        }
+        daily_summaries.append(summary)
+
+        pnl_today = sum(e.get("pnl", 0) for e in exits_today)
+        day_str = f"[bold]{day.strftime('%a %m/%d')}[/]"
+        eq_str = f"${acct.equity:,.2f}"
+        entries_str = f"{len(entries_open)+len(entries_close)} entries"
+        exits_str = f"{len(exits_today)} exits"
+        cand_str = f"{candidates_open + candidates_close} candidates"
+        pos_str = f"{len(broker.list_positions())} pos"
+
+        details = []
+        for e in entries_open + entries_close:
+            details.append(f"  [green]  ↳ ENTER {e['symbol']} ({e.get('event_type','?')}, score={e.get('score', 0):.2f}) "
+                          f"× {e['shares']} shares  [{e['convention']}][/]")
+        for e in exits_today:
+            pnl_col = "green" if e.get("pnl", 0) >= 0 else "red"
+            details.append(f"  [{pnl_col}]  ↳ EXIT  {e['symbol']} ({e['reason']})  "
+                          f"P&L=${e.get('pnl', 0):+,.2f}[/{pnl_col}]")
+        for r in (rejected_open + rejected_close)[:3]:  # show first 3 rejections
+            details.append(f"  [dim]  ↳ skip  {r['symbol']} → {r['reason']}[/]")
+
+        console.print(f"  {day_str}  {eq_str}  {entries_str}  {exits_str}  {cand_str}  {pos_str}")
+        for d in details:
+            console.print(d)
+
+    # ── Final summary ──────────────────────────────────────────────────────
+    acct_final = broker.get_account()
+    total_pnl = acct_final.equity - initial_equity
+    pct = total_pnl / initial_equity * 100
+
+    console.print(f"\n  [bold]Final:[/]  equity=${acct_final.equity:,.2f}  "
+                  f"P&L=${total_pnl:+,.2f} ({pct:+.2f}%)  "
+                  f"trades={len(all_entries)} entries / {len(all_exits)} exits")
+
+    # Print trade table
+    if all_entries or all_exits:
+        tbl = Table(box=rbox.SIMPLE, show_header=True, header_style="bold yellow", padding=(0, 1))
+        tbl.add_column("Date", style="dim")
+        tbl.add_column("Action", style="bold")
+        tbl.add_column("Symbol")
+        tbl.add_column("Event Type")
+        tbl.add_column("Shares", justify="right")
+        tbl.add_column("Score", justify="right")
+        tbl.add_column("Convention / Reason")
+
+        for e in sorted(all_entries, key=lambda x: x["entry_date"]):
+            tbl.add_row(
+                e["entry_date"], "[green]ENTER[/]", e["symbol"],
+                e.get("event_type", "?"),
+                str(e.get("shares", "?")),
+                f"{e.get('score', 0):.2f}",
+                e.get("convention", "?"),
+            )
+        for e in sorted(all_exits, key=lambda x: x.get("exit_date", "")):
+            pnl = e.get("pnl", 0)
+            pnl_col = "green" if pnl >= 0 else "red"
+            tbl.add_row(
+                e.get("exit_date", "?"), f"[{pnl_col}]EXIT[/{pnl_col}]", e["symbol"],
+                "",
+                str(abs(int(e.get("shares", 0)))),
+                f"[{pnl_col}]{pnl:+,.2f}[/{pnl_col}]",
+                e.get("reason", "?"),
+            )
+        console.print(tbl)
+
+    # Clean up temp DB
+    try:
+        Path(tmp_db).unlink()
+    except Exception:
+        pass
+
+    return {
+        "session": session_name,
+        "total_pnl": total_pnl,
+        "total_pnl_pct": pct,
+        "entries": len(all_entries),
+        "exits": len(all_exits),
+        "final_equity": acct_final.equity,
+        "daily": daily_summaries,
+    }
+
+
+# ─────────────────────────────────────────────────────────────────────────────
+# Main
+# ─────────────────────────────────────────────────────────────────────────────
+
+SESSIONS = [
+    {
+        "name": "v236",
+        "config": "configs/experiments/return_max_long_v1.236.json",
+        "equity": 10000.0,
+    },
+    {
+        "name": "v4.41",
+        "config": "configs/experiments/return_max_long_v4.41.json",
+        "equity": 10000.0,
+    },
+]
+
+SIM_START = dt.date(2026, 2, 22)
+SIM_END = dt.date(2026, 3, 21)
+
+
+async def main() -> None:
+    from libs.common.time_utils import is_trading_day
+
+    console.print("[bold cyan]═══ 1-Month Paper Trading Simulation (Feb 22 – Mar 21, 2026) ═══[/]")
+    console.print(f"Oracle URL : {_ORACLE_URL}")
+    console.print(f"Postgres   : {_POSTGRES_DSN[:50]}..." if len(_POSTGRES_DSN) > 50 else f"Postgres   : {_POSTGRES_DSN}")
+
+    # ── Trading days ───────────────────────────────────────────────────────
+    all_days = [
+        SIM_START + dt.timedelta(days=i)
+        for i in range((SIM_END - SIM_START).days + 1)
+    ]
+    trading_days = [d for d in all_days if is_trading_day(d)]
+    console.print(f"Trading days: {[d.isoformat() for d in trading_days]}\n")
+
+    # ── Get symbols from pipeline DB ───────────────────────────────────────
+    console.print("[bold]Fetching event symbols from pipeline DB...[/]")
+    if not _POSTGRES_DSN:
+        console.print("[red]ERROR: POSTGRES_DSN not set! Cannot query pipeline DB.[/]")
+        sys.exit(1)
+
+    event_symbols = await get_event_symbols_from_db(
+        _POSTGRES_DSN,
+        start_date=SIM_START - dt.timedelta(days=7),  # buffer for label lag
+        end_date=SIM_END,
+        console=console,
+    )
+    console.print(f"  Found {len(event_symbols)} unique symbols in events")
+
+    # ── Pre-fetch bars ─────────────────────────────────────────────────────
+    all_symbols = sorted(set(event_symbols + ["SPY", "QQQ"]))
+    bar_start = SIM_START - dt.timedelta(days=90)  # enough history for exits + macro SMA
+
+    console.print(f"\n[bold]Pre-fetching bars for {len(all_symbols)} symbols ({bar_start} → {SIM_END})...[/]")
+    bars_cache = await prefetch_bars(all_symbols, bar_start, SIM_END, _ORACLE_URL)
+    fetched = sum(1 for v in bars_cache.values() if v)
+    console.print(f"  Fetched bars for {fetched}/{len(all_symbols)} symbols")
+
+    if fetched == 0:
+        console.print("[red]ERROR: No bars fetched. Is Oracle running at {_ORACLE_URL}?[/]")
+        sys.exit(1)
+
+    # ── Suppress verbose logs during simulation ────────────────────────────
+    import logging
+    logging.getLogger("apps.paper_trader").setLevel(logging.WARNING)
+    logging.getLogger("libs.backtest").setLevel(logging.WARNING)
+
+    # ── Run simulations ────────────────────────────────────────────────────
+    console.print("\n[bold]Running simulations...[/]\n" + "═" * 80)
+
+    results = []
+    for sess in SESSIONS:
+        result = await run_simulation(
+            session_name=sess["name"],
+            config_path=sess["config"],
+            initial_equity=sess["equity"],
+            trading_days=trading_days,
+            bars_cache=bars_cache,
+            db_dsn=_POSTGRES_DSN,
+            oracle_url=_ORACLE_URL,
+        )
+        results.append(result)
+        console.print("─" * 80)
+
+    # ── Final comparison table ─────────────────────────────────────────────
+    console.print("\n[bold cyan]═══ Final Results ═══[/]")
+    tbl = Table(box=rbox.SIMPLE, show_header=True, header_style="bold yellow", padding=(0, 2))
+    tbl.add_column("Session")
+    tbl.add_column("Final Equity", justify="right")
+    tbl.add_column("P&L", justify="right")
+    tbl.add_column("P&L %", justify="right")
+    tbl.add_column("Entries", justify="right")
+    tbl.add_column("Exits", justify="right")
+
+    for r in results:
+        pnl_col = "green" if r["total_pnl"] >= 0 else "red"
+        tbl.add_row(
+            r["session"],
+            f"${r['final_equity']:,.2f}",
+            f"[{pnl_col}]${r['total_pnl']:+,.2f}[/{pnl_col}]",
+            f"[{pnl_col}]{r['total_pnl_pct']:+.2f}%[/{pnl_col}]",
+            str(r["entries"]),
+            str(r["exits"]),
+        )
+    console.print(tbl)
+
+
+if __name__ == "__main__":
+    asyncio.run(main())
diff --git a/configs/backtest/return_max_long_v1.json b/configs/backtest/return_max_long_v1.json
new file mode 100644
index 0000000..060115b
--- /dev/null
+++ b/configs/backtest/return_max_long_v1.json
@@ -0,0 +1,102 @@
+{
+  "strategy_name": "return_max_long_v1",
+  "dataset_snapshot_id": "midlarge-liquid-long-v1",
+  "universe": {
+    "min_price": 15.0,
+    "min_avg_dollar_volume": 75000000.0,
+    "min_market_cap_proxy": 2000000000.0,
+    "exclude_asset_types": ["ETF", "FUND", "ADR", "SPAC"],
+    "allowed_exchanges": ["NYSE", "NASDAQ", "AMEX"]
+  },
+  "signal": {
+    "score_threshold": 0.62,
+    "max_candidates_per_day": 6,
+    "execution_timing": "next_open",
+    "decision_timing": "reaction_close",
+    "ranking_fields": ["-score", "-avg_dollar_volume"],
+    "scoring_model": "return_max_long_v1",
+    "a_tier_score_threshold": 0.75
+  },
+  "risk": {
+    "per_trade_risk_pct": 0.004,
+    "per_trade_risk_pct_a_tier": 0.005,
+    "max_daily_new_risk_pct": 0.015,
+    "max_positions": 6,
+    "max_positions_per_sector": 2,
+    "max_position_value_pct": 0.15,
+    "max_adv_fraction": 0.02,
+    "cooldown_after_loss_streak": 0,
+    "cooldown_days": 0,
+    "macro_regime_enabled": true,
+    "macro_regime_mode": "spy_qqq_scaler",
+    "macro_regime_neutral_size_scaler": 0.6,
+    "macro_regime_risk_off_size_scaler": 0.35,
+    "macro_regime_risk_off_a_tier_only": true,
+    "macro_sma_period": 20,
+    "stop_atr_multiplier": 2.25,
+    "backtest_mode": "research",
+    "kill_switch_cooldown_days": 20,
+    "kill_switch_log_only": true,
+    "veto_oneoff_penalty": 0.4,
+    "veto_parse_confidence_min": 0.6,
+    "veto_unknown_direction": true,
+    "veto_bearish_direction": true
+  },
+  "execution": {
+    "entry_fill_model": "next_open",
+    "exit_fill_model": "daily_bar_approximation",
+    "slippage_bps_base": 10.0,
+    "commission_per_share": 0.005,
+    "same_bar_priority": "stop_first_conservative",
+    "target_model": "fixed_r",
+    "target_1_r": 1.5,
+    "target_1_fraction": 0.5,
+    "use_tiered_targets": true,
+    "a_tier_target_1_r": 2.0,
+    "a_tier_target_1_fraction": 0.25,
+    "non_a_tier_target_1_r": 1.5,
+    "non_a_tier_target_1_fraction": 0.5,
+    "trailing_model": "pct_6",
+    "trailing_warmup_days": 3,
+    "max_holding_days": 15,
+    "no_follow_through_exit": false,
+    "early_failure_close_below_entry_and_reaction_close": true,
+    "early_failure_no_progress_days": 2,
+    "early_failure_no_progress_r": 0.5,
+    "early_failure_no_progress_fraction": 0.5
+  },
+  "reporting": {
+    "write_trade_blotter": true,
+    "write_equity_curve": true,
+    "write_metrics_summary": true,
+    "generate_plots": false,
+    "attribution_buckets": ["event_type", "sector", "score_bucket", "engine_id"]
+  },
+  "event_type_profiles": {
+    "earnings_release": {
+      "enabled": true,
+      "max_holding_days_override": 20,
+      "direction_filter": "any"
+    },
+    "guidance_update": {
+      "enabled": true,
+      "max_holding_days_override": 12,
+      "direction_filter": "any"
+    },
+    "management_change": {
+      "enabled": true,
+      "max_holding_days_override": 20,
+      "direction_filter": "any"
+    },
+    "material_contract": {
+      "enabled": false
+    },
+    "unknown": {
+      "enabled": false
+    },
+    "other_material_event": {
+      "enabled": false
+    }
+  },
+  "strategy_engine_selection_mode": "interleave"
+}
diff --git a/configs/overlays/return_book_overlay_v1.json b/configs/overlays/return_book_overlay_v1.json
new file mode 100644
index 0000000..7740a4e
--- /dev/null
+++ b/configs/overlays/return_book_overlay_v1.json
@@ -0,0 +1,39 @@
+{
+  "overlay_name": "return_book_overlay_v1",
+  "initial_equity": 10000,
+  "start_date": "2022-03-03",
+  "end_date": "2026-03-13",
+  "regime_source": {
+    "config_path": "configs/experiments/return_max_long_v6.221.json",
+    "snapshot_dir": "data/parquet/midlarge-liquid-long-v1_bucketfix_full_audit_mom_v2",
+    "split": "train"
+  },
+  "books": [
+    {
+      "label": "core",
+      "equity_csv": "runs/book_overlay_v1_inputs/return_max_long_v6.221_equity.csv"
+    },
+    {
+      "label": "mom",
+      "equity_csv": "runs/book_overlay_v1_inputs/return_max_long_v6new.54_equity.csv"
+    }
+  ],
+  "allocations": {
+    "risk_on": {
+      "core": 0.0,
+      "mom": 1.0
+    },
+    "neutral": {
+      "core": 0.0,
+      "mom": 1.0
+    },
+    "risk_off": {
+      "core": 1.0,
+      "mom": 0.0
+    },
+    "unknown": {
+      "core": 1.0,
+      "mom": 0.0
+    }
+  }
+}
diff --git a/configs/overlays/return_book_overlay_v1b.json b/configs/overlays/return_book_overlay_v1b.json
new file mode 100644
index 0000000..89c5779
--- /dev/null
+++ b/configs/overlays/return_book_overlay_v1b.json
@@ -0,0 +1,39 @@
+{
+  "overlay_name": "return_book_overlay_v1b",
+  "initial_equity": 10000,
+  "start_date": "2022-03-03",
+  "end_date": "2026-03-13",
+  "regime_source": {
+    "config_path": "configs/experiments/return_max_long_v6.221.json",
+    "snapshot_dir": "data/parquet/midlarge-liquid-long-v1_bucketfix_full_audit_mom_v2",
+    "split": "train"
+  },
+  "books": [
+    {
+      "label": "core",
+      "equity_csv": "runs/book_overlay_v1_inputs/return_max_long_v6.221_equity.csv"
+    },
+    {
+      "label": "mom",
+      "equity_csv": "runs/book_overlay_v1_inputs/return_max_long_v6new.54_equity.csv"
+    }
+  ],
+  "allocations": {
+    "risk_on": {
+      "core": 0.0,
+      "mom": 1.0
+    },
+    "neutral": {
+      "core": 0.0,
+      "mom": 1.0
+    },
+    "risk_off": {
+      "core": 1.0,
+      "mom": 0.0
+    },
+    "unknown": {
+      "core": 0.0,
+      "mom": 1.0
+    }
+  }
+}
diff --git a/configs/overlays/return_book_overlay_v1c.json b/configs/overlays/return_book_overlay_v1c.json
new file mode 100644
index 0000000..51d5df8
--- /dev/null
+++ b/configs/overlays/return_book_overlay_v1c.json
@@ -0,0 +1,39 @@
+{
+  "overlay_name": "return_book_overlay_v1c",
+  "initial_equity": 10000,
+  "start_date": "2022-03-03",
+  "end_date": "2026-03-13",
+  "regime_source": {
+    "config_path": "configs/experiments/return_max_long_v6.221.json",
+    "snapshot_dir": "data/parquet/midlarge-liquid-long-v1_bucketfix_full_audit_mom_v2",
+    "split": "train"
+  },
+  "books": [
+    {
+      "label": "core",
+      "equity_csv": "runs/book_overlay_v1_inputs/return_max_long_v6.221_equity.csv"
+    },
+    {
+      "label": "mom",
+      "equity_csv": "runs/book_overlay_v1_inputs/return_max_long_v6new.54_equity.csv"
+    }
+  ],
+  "allocations": {
+    "risk_on": {
+      "core": 0.0,
+      "mom": 1.0
+    },
+    "neutral": {
+      "core": 0.0,
+      "mom": 1.0
+    },
+    "risk_off": {
+      "core": 1.0,
+      "mom": 0.0
+    },
+    "unknown": {
+      "core": 0.5,
+      "mom": 0.5
+    }
+  }
+}
diff --git a/configs/overlays/return_book_overlay_v2.json b/configs/overlays/return_book_overlay_v2.json
new file mode 100644
index 0000000..c1a0bca
--- /dev/null
+++ b/configs/overlays/return_book_overlay_v2.json
@@ -0,0 +1,39 @@
+{
+  "initial_equity": 10000,
+  "start_date": "2022-03-03",
+  "end_date": "2026-03-13",
+  "regime_source": {
+    "config_path": "configs/experiments/return_max_long_v6.114.json",
+    "snapshot_dir": "data/parquet/midlarge-liquid-long-v1_bucketfix_full_audit_mom_v2",
+    "split": "train"
+  },
+  "books": [
+    {
+      "label": "core",
+      "equity_csv": "runs/fallback_book_compare/return_max_long_v6.114_equity.csv"
+    },
+    {
+      "label": "mom",
+      "equity_csv": "runs/book_overlay_v1_inputs/return_max_long_v6new.54_equity.csv"
+    }
+  ],
+  "overlay_name": "return_book_overlay_v2",
+  "allocations": {
+    "risk_on": {
+      "core": 0,
+      "mom": 1
+    },
+    "neutral": {
+      "core": 0,
+      "mom": 1
+    },
+    "risk_off": {
+      "core": 1,
+      "mom": 0
+    },
+    "unknown": {
+      "core": 1,
+      "mom": 0
+    }
+  }
+}
diff --git a/configs/overlays/return_book_overlay_v2b.json b/configs/overlays/return_book_overlay_v2b.json
new file mode 100644
index 0000000..d6137a9
--- /dev/null
+++ b/configs/overlays/return_book_overlay_v2b.json
@@ -0,0 +1,39 @@
+{
+  "initial_equity": 10000,
+  "start_date": "2022-03-03",
+  "end_date": "2026-03-13",
+  "regime_source": {
+    "config_path": "configs/experiments/return_max_long_v6.114.json",
+    "snapshot_dir": "data/parquet/midlarge-liquid-long-v1_bucketfix_full_audit_mom_v2",
+    "split": "train"
+  },
+  "books": [
+    {
+      "label": "core",
+      "equity_csv": "runs/fallback_book_compare/return_max_long_v6.114_equity.csv"
+    },
+    {
+      "label": "mom",
+      "equity_csv": "runs/book_overlay_v1_inputs/return_max_long_v6new.54_equity.csv"
+    }
+  ],
+  "overlay_name": "return_book_overlay_v2b",
+  "allocations": {
+    "risk_on": {
+      "core": 0,
+      "mom": 1
+    },
+    "neutral": {
+      "core": 0,
+      "mom": 1
+    },
+    "risk_off": {
+      "core": 1,
+      "mom": 0
+    },
+    "unknown": {
+      "core": 0,
+      "mom": 1
+    }
+  }
+}
diff --git a/configs/overlays/return_book_overlay_v3.json b/configs/overlays/return_book_overlay_v3.json
new file mode 100644
index 0000000..fb30189
--- /dev/null
+++ b/configs/overlays/return_book_overlay_v3.json
@@ -0,0 +1,29 @@
+{
+  "overlay_name": "return_book_overlay_v3",
+  "initial_equity": 10000,
+  "start_date": "2022-03-03",
+  "end_date": "2026-03-13",
+  "regime_source": {
+    "config_path": "configs/experiments/return_max_long_v6.221.json",
+    "snapshot_dir": "data/parquet/midlarge-liquid-long-v1_bucketfix_full_audit_mom_v2",
+    "split": "train"
+  },
+  "books": [
+    {
+      "label": "core",
+      "equity_csv": "runs/book_overlay_v1_inputs/return_max_long_v6.221_equity.csv",
+      "experiment_config": "configs/experiments/return_max_long_v6.221.json"
+    },
+    {
+      "label": "mom",
+      "equity_csv": "runs/book_overlay_v1_inputs/return_max_long_v6new.54_equity.csv",
+      "experiment_config": "configs/experiments/return_max_long_v6new.54.json"
+    }
+  ],
+  "allocations": {
+    "risk_on": {"core": 0.5, "mom": 0.5},
+    "neutral": {"core": 0.0, "mom": 1.0},
+    "risk_off": {"core": 1.0, "mom": 0.0},
+    "unknown": {"core": 1.0, "mom": 0.0}
+  }
+}
diff --git a/configs/overlays/return_book_overlay_v3_oot.json b/configs/overlays/return_book_overlay_v3_oot.json
new file mode 100644
index 0000000..0b5fd0d
--- /dev/null
+++ b/configs/overlays/return_book_overlay_v3_oot.json
@@ -0,0 +1,39 @@
+{
+  "overlay_name": "return_book_overlay_v3_oot",
+  "initial_equity": 10000,
+  "start_date": "2020-01-02",
+  "end_date": "2021-12-31",
+  "regime_source": {
+    "config_path": "configs/experiments/return_max_long_v6.221.json",
+    "snapshot_dir": "data/datasets/snapshots/midlarge-liquid-long-v1-oot-2020-2021",
+    "split": "train"
+  },
+  "books": [
+    {
+      "label": "core",
+      "equity_csv": "runs/book_overlay_oot_inputs/csv/core_equity.csv"
+    },
+    {
+      "label": "mom",
+      "equity_csv": "runs/book_overlay_oot_inputs/csv/mom_equity.csv"
+    }
+  ],
+  "allocations": {
+    "risk_on": {
+      "core": 0.5,
+      "mom": 0.5
+    },
+    "neutral": {
+      "core": 0.0,
+      "mom": 1.0
+    },
+    "risk_off": {
+      "core": 1.0,
+      "mom": 0.0
+    },
+    "unknown": {
+      "core": 1.0,
+      "mom": 0.0
+    }
+  }
+}
diff --git a/configs/overlays/return_book_overlay_v3b.json b/configs/overlays/return_book_overlay_v3b.json
new file mode 100644
index 0000000..d3b33b2
--- /dev/null
+++ b/configs/overlays/return_book_overlay_v3b.json
@@ -0,0 +1,29 @@
+{
+  "overlay_name": "return_book_overlay_v3b",
+  "initial_equity": 10000,
+  "start_date": "2022-03-03",
+  "end_date": "2026-03-13",
+  "regime_source": {
+    "config_path": "configs/experiments/return_max_long_v6.221.json",
+    "snapshot_dir": "data/parquet/midlarge-liquid-long-v1_bucketfix_full_audit_mom_v2",
+    "split": "train"
+  },
+  "books": [
+    {
+      "label": "core",
+      "equity_csv": "runs/book_overlay_v1_inputs/return_max_long_v6.221_equity.csv",
+      "experiment_config": "configs/experiments/return_max_long_v6.221.json"
+    },
+    {
+      "label": "mom",
+      "equity_csv": "runs/book_overlay_v1_inputs/return_max_long_v6new.54_equity.csv",
+      "experiment_config": "configs/experiments/return_max_long_v6new.54.json"
+    }
+  ],
+  "allocations": {
+    "risk_on": {"core": 0.5, "mom": 0.5},
+    "neutral": {"core": 0.5, "mom": 0.5},
+    "risk_off": {"core": 1.0, "mom": 0.0},
+    "unknown": {"core": 1.0, "mom": 0.0}
+  }
+}
diff --git a/configs/overlays/return_book_overlay_v3b_oot.json b/configs/overlays/return_book_overlay_v3b_oot.json
new file mode 100644
index 0000000..a731073
--- /dev/null
+++ b/configs/overlays/return_book_overlay_v3b_oot.json
@@ -0,0 +1,39 @@
+{
+  "overlay_name": "return_book_overlay_v3b_oot",
+  "initial_equity": 10000,
+  "start_date": "2020-01-02",
+  "end_date": "2021-12-31",
+  "regime_source": {
+    "config_path": "configs/experiments/return_max_long_v6.221.json",
+    "snapshot_dir": "data/datasets/snapshots/midlarge-liquid-long-v1-oot-2020-2021",
+    "split": "train"
+  },
+  "books": [
+    {
+      "label": "core",
+      "equity_csv": "runs/book_overlay_oot_inputs/csv/core_equity.csv"
+    },
+    {
+      "label": "mom",
+      "equity_csv": "runs/book_overlay_oot_inputs/csv/mom_equity.csv"
+    }
+  ],
+  "allocations": {
+    "risk_on": {
+      "core": 0.5,
+      "mom": 0.5
+    },
+    "neutral": {
+      "core": 0.5,
+      "mom": 0.5
+    },
+    "risk_off": {
+      "core": 1.0,
+      "mom": 0.0
+    },
+    "unknown": {
+      "core": 1.0,
+      "mom": 0.0
+    }
+  }
+}
diff --git a/configs/ranking_models/return_max_long_same_day_bucket_ranker_v1.json b/configs/ranking_models/return_max_long_same_day_bucket_ranker_v1.json
new file mode 100644
index 0000000..677a100
--- /dev/null
+++ b/configs/ranking_models/return_max_long_same_day_bucket_ranker_v1.json
@@ -0,0 +1,109 @@
+{
+  "model_type": "bucket_blend_v1",
+  "target": "fwd_return_20d",
+  "snapshot_id": "midlarge-liquid-long-v1",
+  "cutoff_event_date": "2024-12-31",
+  "min_bucket_count": 8,
+  "training_rows": 763,
+  "global_mean": 0.013861784034629062,
+  "features": [
+    {
+      "name": "event_type",
+      "weight": 0.08,
+      "values": {
+        "earnings_release": 0.013482702682923942,
+        "guidance_update": 0.014893624982197144
+      }
+    },
+    {
+      "name": "direction_guidance_combo",
+      "weight": 0.27,
+      "values": {
+        "unknown|not_provided": 0.016789790143916142,
+        "bullish|raised": 0.019916887018894172,
+        "bearish|lowered": 0.009396202128923085,
+        "mixed|not_provided": 0.011859585171721585,
+        "unknown|inline_or_maintained": 0.0321858937167025,
+        "mixed|raised": 0.013566486476964852,
+        "bullish|not_provided": -0.025325870206453084,
+        "mixed|inline_or_maintained": 0.0026180541246784124,
+        "bearish|not_provided": -0.008039359344034852,
+        "mixed|lowered": 0.017688995312151363
+      }
+    },
+    {
+      "name": "reaction_bucket",
+      "weight": 0.22,
+      "values": {
+        "0.0300:0.0500": 0.00774203925550324,
+        "lt:0.0300": 0.010927064762955756,
+        "0.0500:0.0800": 0.02576325744106944,
+        "0.1800:0.2500": 0.034001329902713935,
+        "0.0800:0.1200": 0.010397204860884156,
+        "0.1200:0.1800": 0.026897777303804844
+      }
+    },
+    {
+      "name": "close_bucket",
+      "weight": 0.15,
+      "values": {
+        "0.7500:0.8300": 0.017834323072406757,
+        "ge:0.8300": 0.010522669641600198,
+        "0.7000:0.7500": 0.016480791808342433,
+        "0.6500:0.7000": 0.018889228296455927,
+        "0.5500:0.6500": 0.016620583101258957,
+        "lt:0.4500": 0.017303539799914436,
+        "0.4500:0.5500": 0.002514089610550091
+      }
+    },
+    {
+      "name": "volume_bucket",
+      "weight": 0.12,
+      "values": {
+        "1.5000:2.0000": 0.021128635118496122,
+        "2.0000:3.0000": 0.014945498682820607,
+        "1.0000:1.5000": 0.0007699318750771301,
+        "3.0000:4.0000": 0.016891167249830953,
+        "lt:1.0000": 0.011469857799173266,
+        "4.0000:6.0000": 0.023075156200472874,
+        "ge:6.0000": -0.0032525631317377427
+      }
+    },
+    {
+      "name": "gap_bucket",
+      "weight": 0.08,
+      "values": {
+        "0.0000:0.0200": 0.008587188386656924,
+        "lt:0.0000": 0.01412242601580457,
+        "0.0500:0.0800": 0.02889925470529481,
+        "ge:0.1500": -0.001885467827172075,
+        "0.0200:0.0500": 0.020601190682999287,
+        "0.0800:0.1500": -0.010483907345619789
+      }
+    },
+    {
+      "name": "document_bucket",
+      "weight": 0.05,
+      "values": {
+        "lt:0.6000": 0.011313536567150808,
+        "0.7500:0.8000": 0.01432435968599387,
+        "0.6600:0.7000": 0.017171850148476657,
+        "0.7000:0.7500": 0.012283079248182768,
+        "0.8000:0.8500": 0.0331560535366728,
+        "0.6000:0.6600": 0.02189813112493116
+      }
+    },
+    {
+      "name": "confidence_bucket",
+      "weight": 0.03,
+      "values": {
+        "lt:0.6000": 0.013464462105512902,
+        "0.7500:0.8000": 0.010978891099686632,
+        "0.6400:0.7000": 0.010205404135075202,
+        "0.7000:0.7500": 0.021927902800045987,
+        "0.8000:0.9000": 0.03458923180770463,
+        "0.6000:0.6400": 0.0021363000664559304
+      }
+    }
+  ]
+}
\ No newline at end of file
diff --git a/configs/symbols_midlarge_snapshot_exact.yaml b/configs/symbols_midlarge_snapshot_exact.yaml
new file mode 100644
index 0000000..8a0db41
--- /dev/null
+++ b/configs/symbols_midlarge_snapshot_exact.yaml
@@ -0,0 +1,972 @@
+symbols:
+- A
+- AA
+- AAOI
+- AAON
+- AAP
+- AAPL
+- ABBV
+- ABNB
+- ABT
+- ABVX
+- ACGL
+- ACHC
+- ACI
+- ACLS
+- ACLX
+- ACM
+- ACMR
+- ACN
+- ADBE
+- ADC
+- ADI
+- ADM
+- ADMA
+- ADP
+- ADSK
+- AEE
+- AEIS
+- AEM
+- AEO
+- AEP
+- AER
+- AFL
+- AFRM
+- AG
+- AGCO
+- AHR
+- AIG
+- AIT
+- AJG
+- AKAM
+- AL
+- ALAB
+- ALB
+- ALC
+- ALGM
+- ALGN
+- ALH
+- ALK
+- ALKS
+- ALL
+- ALLY
+- ALNY
+- ALSN
+- ALV
+- AMAT
+- AMCR
+- AMD
+- AME
+- AMGN
+- AMH
+- AMPX
+- AMT
+- AMZN
+- ANET
+- ANF
+- AON
+- AOS
+- APA
+- APD
+- APG
+- APGE
+- APH
+- APLD
+- APLS
+- APO
+- APP
+- APPF
+- APTV
+- AR
+- ARCC
+- ARE
+- ARES
+- ARM
+- ARMK
+- ARW
+- ARWR
+- AS
+- ASML
+- ASO
+- ASTS
+- ATI
+- ATO
+- AUGO
+- AVAV
+- AVB
+- AVGO
+- AWI
+- AWK
+- AXON
+- AXP
+- AXS
+- AXSM
+- AXTA
+- AXTI
+- B
+- BA
+- BABA
+- BAC
+- BAH
+- BALL
+- BAM
+- BANC
+- BAX
+- BBIO
+- BBWI
+- BBY
+- BCE
+- BDX
+- BE
+- BEKE
+- BEN
+- BF-B
+- BFAM
+- BFH
+- BG
+- BHF
+- BIDU
+- BIIB
+- BILI
+- BILL
+- BIRK
+- BJ
+- BK
+- BKH
+- BKR
+- BLDR
+- BLK
+- BLSH
+- BMRN
+- BMY
+- BN
+- BNS
+- BNTX
+- BOOT
+- BOX
+- BPOP
+- BR
+- BRK-B
+- BRKR
+- BRO
+- BROS
+- BRX
+- BSX
+- BSY
+- BTI
+- BTSG
+- BTU
+- BUD
+- BWA
+- BX
+- BXP
+- BYD
+- C
+- CACI
+- CAG
+- CAH
+- CAKE
+- CALM
+- CAR
+- CARR
+- CART
+- CAT
+- CAVA
+- CB
+- CBRE
+- CC
+- CCI
+- CCJ
+- CCK
+- CCL
+- CDE
+- CDNS
+- CDW
+- CE
+- CEG
+- CELC
+- CELH
+- CENX
+- CF
+- CFG
+- CFLT
+- CFR
+- CG
+- CGNX
+- CHD
+- CHDN
+- CHKP
+- CHRD
+- CHRW
+- CHTR
+- CHWY
+- CI
+- CIEN
+- CIFR
+- CL
+- CLS
+- CLX
+- CM
+- CMC
+- CMCSA
+- CME
+- CMG
+- CMS
+- CNC
+- CNI
+- CNK
+- CNM
+- CNP
+- CNQ
+- CNR
+- CNX
+- COF
+- COGT
+- COHR
+- COIN
+- COLB
+- COO
+- COP
+- COR
+- CORT
+- CORZ
+- COST
+- CP
+- CPB
+- CPNG
+- CPRI
+- CPRT
+- CPT
+- CRBG
+- CRDO
+- CRH
+- CRL
+- CRM
+- CRNX
+- CROX
+- CRSP
+- CRUS
+- CRWD
+- CSCO
+- CSGP
+- CSX
+- CTAS
+- CTRA
+- CTSH
+- CTVA
+- CUBE
+- CVE
+- CVLT
+- CVNA
+- CVS
+- CVX
+- CWAN
+- CWST
+- CYTK
+- CZR
+- D
+- DAL
+- DAR
+- DASH
+- DAVE
+- DBRG
+- DBX
+- DCI
+- DD
+- DDOG
+- DE
+- DECK
+- DELL
+- DG
+- DHI
+- DHR
+- DINO
+- DIS
+- DKNG
+- DKS
+- DLR
+- DLTR
+- DOC
+- DOCN
+- DOCS
+- DOCU
+- DOV
+- DOW
+- DOX
+- DPZ
+- DRI
+- DT
+- DTE
+- DUK
+- DUOL
+- DVA
+- DVN
+- DXCM
+- EA
+- EAT
+- EBAY
+- EBC
+- ECL
+- ED
+- EDU
+- EFX
+- EGO
+- EIX
+- EL
+- ELAN
+- ELF
+- ELS
+- ELV
+- EMN
+- EMR
+- ENB
+- ENPH
+- ENSG
+- ENTG
+- EOG
+- EPAM
+- EPD
+- EPRT
+- EQH
+- EQNR
+- EQR
+- EQT
+- ERO
+- ES
+- ESI
+- ESTC
+- ET
+- ETN
+- ETOR
+- ETSY
+- EVRG
+- EW
+- EWBC
+- EXAS
+- EXC
+- EXE
+- EXEL
+- EXLS
+- EXP
+- EXPD
+- EXPE
+- EXR
+- FAF
+- FANG
+- FAST
+- FBIN
+- FCX
+- FDS
+- FDX
+- FE
+- FERG
+- FHN
+- FIGR
+- FIS
+- FISV
+- FITB
+- FIVE
+- FLEX
+- FLNC
+- FLR
+- FLS
+- FLUT
+- FNB
+- FND
+- FNF
+- FORM
+- FOUR
+- FPS
+- FR
+- FROG
+- FRPT
+- FRT
+- FSLR
+- FSLY
+- FTAI
+- FTI
+- FTNT
+- FTV
+- FUTU
+- FWONK
+- G
+- GAP
+- GD
+- GDDY
+- GDS
+- GE
+- GEHC
+- GEN
+- GEO
+- GEV
+- GFL
+- GFS
+- GGAL
+- GGG
+- GH
+- GILD
+- GKOS
+- GLBE
+- GLPI
+- GLW
+- GLXY
+- GM
+- GME
+- GMED
+- GNRC
+- GOOGL
+- GPC
+- GPGI
+- GPN
+- GPOR
+- GRMN
+- GS
+- GTES
+- GTLB
+- GTLS
+- GVA
+- GWRE
+- GXO
+- HAE
+- HAL
+- HALO
+- HAS
+- HBAN
+- HBM
+- HCA
+- HCC
+- HD
+- HESM
+- HIG
+- HIMS
+- HL
+- HLI
+- HLT
+- HOLX
+- HON
+- HOOD
+- HPE
+- HPQ
+- HQY
+- HR
+- HRB
+- HRI
+- HSAI
+- HSIC
+- HST
+- HSY
+- HTHT
+- HUBS
+- HUM
+- HUT
+- HWM
+- HXL
+- HYMC
+- IAG
+- IBKR
+- IBM
+- ICE
+- ICLR
+- IFF
+- ILMN
+- INCY
+- INDV
+- INGM
+- INSM
+- INTC
+- INVH
+- IONQ
+- IONS
+- IOT
+- IP
+- IPGP
+- IQV
+- IR
+- IREN
+- IRM
+- IRTC
+- ISRG
+- IT
+- ITGR
+- ITRI
+- ITW
+- IVZ
+- JAZZ
+- JBHT
+- JBL
+- JBTM
+- JCI
+- JD
+- JEF
+- JHG
+- JNJ
+- JPM
+- JXN
+- KBH
+- KBR
+- KEX
+- KGS
+- KMX
+- KNSL
+- KNX
+- KRC
+- KTOS
+- KVYO
+- KYMR
+- LASR
+- LBRDK
+- LBRT
+- LEA
+- LEU
+- LITE
+- LKQ
+- LLY
+- LMND
+- LMT
+- LNC
+- LNT
+- LNTH
+- LOAR
+- LOW
+- LPX
+- LRCX
+- LRN
+- LSCC
+- LTH
+- LULU
+- LUNR
+- LUV
+- LVS
+- LW
+- LYB
+- LYV
+- M
+- MA
+- MAA
+- MANH
+- MAR
+- MASI
+- MAT
+- MCD
+- MCHP
+- MCO
+- MDB
+- MDLZ
+- MDT
+- MDU
+- MEDP
+- MELI
+- MET
+- META
+- MFC
+- MGA
+- MGM
+- MHK
+- MIDD
+- MIR
+- MKC
+- MKSI
+- MKTX
+- MMED
+- MMM
+- MMS
+- MMSI
+- MMYT
+- MNDY
+- MNST
+- MO
+- MOD
+- MOH
+- MORN
+- MOS
+- MP
+- MPC
+- MPLX
+- MRK
+- MRNA
+- MRP
+- MRSH
+- MRVL
+- MS
+- MSFT
+- MSI
+- MSM
+- MSTR
+- MT
+- MTB
+- MTCH
+- MTDR
+- MTH
+- MTN
+- MTSI
+- MU
+- MUR
+- NBIS
+- NBIX
+- NCLH
+- NDAQ
+- NE
+- NEM
+- NET
+- NFLX
+- NI
+- NICE
+- NKE
+- NKTR
+- NLY
+- NOV
+- NOW
+- NRG
+- NSC
+- NTAP
+- NTNX
+- NTR
+- NTRA
+- NTRS
+- NUE
+- NVDA
+- NVST
+- NVT
+- NXPI
+- NXT
+- NYT
+- O
+- OC
+- ODFL
+- OKE
+- OKLO
+- OKTA
+- OLED
+- OLLI
+- OLN
+- OMC
+- OMF
+- ONB
+- ONON
+- ONTO
+- ORA
+- ORCL
+- ORI
+- ORLY
+- OS
+- OSK
+- OTIS
+- OVV
+- OXY
+- PAA
+- PAAS
+- PANW
+- PAYC
+- PAYX
+- PB
+- PBF
+- PCAR
+- PCG
+- PCOR
+- PCTY
+- PCVX
+- PDD
+- PEG
+- PEGA
+- PEN
+- PEP
+- PFE
+- PFG
+- PFGC
+- PFSI
+- PG
+- PHM
+- PI
+- PII
+- PINS
+- PL
+- PLD
+- PLNT
+- PLTR
+- PM
+- PNC
+- PNFP
+- PNR
+- PNW
+- POOL
+- POR
+- POST
+- POWI
+- PPG
+- PPL
+- PPTA
+- PR
+- PRAX
+- PRIM
+- PRMB
+- PRU
+- PSA
+- PSN
+- PSTG
+- PSX
+- PTC
+- PTCT
+- PTGX
+- PVH
+- PWR
+- PYPL
+- QBTS
+- QCOM
+- QGEN
+- QLYS
+- QRVO
+- QSR
+- RAL
+- RARE
+- RBA
+- RBLX
+- RBRK
+- RCL
+- RDDT
+- REG
+- REXR
+- RF
+- RGEN
+- RGTI
+- RH
+- RHI
+- RIO
+- RIVN
+- RJF
+- RKLB
+- RMBS
+- RMD
+- RNG
+- ROIV
+- ROKU
+- ROL
+- ROP
+- ROST
+- RPM
+- RPRX
+- RRC
+- RRX
+- RSG
+- RTX
+- RVMD
+- RVTY
+- RY
+- RYAN
+- RYN
+- RYTM
+- SAIA
+- SAIC
+- SANM
+- SAP
+- SARO
+- SBUX
+- SCCO
+- SCHW
+- SCI
+- SE
+- SEDG
+- SEE
+- SEI
+- SEIC
+- SEZL
+- SF
+- SFM
+- SGI
+- SHAK
+- SHEL
+- SHOO
+- SHOP
+- SHW
+- SIG
+- SIMO
+- SIRI
+- SITE
+- SITM
+- SJM
+- SLB
+- SLG
+- SLM
+- SM
+- SMCI
+- SMG
+- SMMT
+- SMTC
+- SN
+- SNDK
+- SNOW
+- SNPS
+- SNY
+- SO
+- SOC
+- SOFI
+- SOLV
+- SPG
+- SPGI
+- SPOT
+- SPXC
+- SRE
+- SSB
+- SSNC
+- SSRM
+- ST
+- STLD
+- STNG
+- STT
+- STWD
+- STX
+- STZ
+- SU
+- SUI
+- SW
+- SWK
+- SWKS
+- SYF
+- SYK
+- SYM
+- SYY
+- T
+- TAP
+- TCOM
+- TD
+- TEAM
+- TECH
+- TECK
+- TEL
+- TEM
+- TER
+- TERN
+- TEVA
+- TEX
+- TFC
+- TFX
+- TGTX
+- THO
+- TJX
+- TKO
+- TMDX
+- TMHC
+- TMO
+- TMUS
+- TOL
+- TOST
+- TPH
+- TPR
+- TREX
+- TRGP
+- TRI
+- TRMB
+- TROW
+- TRP
+- TRU
+- TRV
+- TSCO
+- TSLA
+- TSM
+- TSN
+- TT
+- TTAN
+- TTC
+- TTD
+- TTE
+- TTEK
+- TTMI
+- TTWO
+- TW
+- TWLO
+- TXRH
+- TXT
+- U
+- UAL
+- UBER
+- UCTT
+- UDR
+- UGI
+- UL
+- UMBF
+- UNH
+- UNM
+- UNP
+- UPS
+- UPST
+- URBN
+- URI
+- USAR
+- USB
+- USFD
+- V
+- VAL
+- VCTR
+- VEEV
+- VFC
+- VIAV
+- VICI
+- VICR
+- VIK
+- VIPS
+- VISN
+- VKTX
+- VLO
+- VLTO
+- VMC
+- VRNS
+- VRSK
+- VRT
+- VRTX
+- VSAT
+- VSCO
+- VSEC
+- VSNT
+- VST
+- VTR
+- VVV
+- VZ
+- W
+- WAL
+- WAT
+- WAY
+- WBD
+- WBS
+- WCN
+- WDAY
+- WDC
+- WEC
+- WELL
+- WFC
+- WFRD
+- WGS
+- WH
+- WHR
+- WING
+- WIX
+- WLK
+- WM
+- WMB
+- WMG
+- WMT
+- WPC
+- WPM
+- WRB
+- WRBY
+- WSC
+- WSM
+- WULF
+- WY
+- WYNN
+- XOM
+- XP
+- XPEV
+- XPO
+- XYL
+- XYZ
+- YETI
+- YUM
+- YUMC
+- Z
+- ZBH
+- ZETA
+- ZIM
+- ZION
+- ZM
+- ZS
+- ZTO
+- ZTS
diff --git a/libs/backtest/artifacts.py b/libs/backtest/artifacts.py
index 9b973eb..38dce8e 100644
--- a/libs/backtest/artifacts.py
+++ b/libs/backtest/artifacts.py
@@ -20,6 +20,8 @@ from libs.backtest.domain import (
     MetricsBundle,
     OpenPosition,
 )
+from libs.common.config import get_settings
+from libs.common.ids import sha256_checksum_str
 from libs.common.logging import get_logger
 
 logger = get_logger(__name__)
@@ -70,6 +72,67 @@ def write_metrics_summary(run_dir: Path, metrics: MetricsBundle) -> Path:
     return out
 
 
+def write_snapshot_provenance(
+    run_dir: Path,
+    config: BacktestConfig,
+) -> dict[str, str]:
+    """Persist the snapshot manifest and a stable fingerprint for reproducibility checks."""
+    snapshot_id = config.dataset_snapshot_id
+    settings = get_settings()
+    candidate_paths = [
+        Path(settings.parquet_dir) / snapshot_id / "manifest.json",
+        Path("data/datasets/snapshots") / snapshot_id / "manifest.json",
+    ]
+    manifest_path = next((path for path in candidate_paths if path.exists()), None)
+    if manifest_path is None:
+        return {}
+
+    manifest_text = manifest_path.read_text()
+    manifest_data = json.loads(manifest_text)
+    manifest_snapshot_id = manifest_data.get("snapshot_id")
+    manifest_output_dir = manifest_data.get("output_dir")
+    snapshot_dir_name = manifest_path.parent.name
+    snapshot_id_matches_manifest = manifest_snapshot_id == snapshot_dir_name
+    output_dir_matches_manifest = (
+        True if not manifest_output_dir else Path(str(manifest_output_dir)).name == snapshot_dir_name
+    )
+    if not snapshot_id_matches_manifest or not output_dir_matches_manifest:
+        logger.warning(
+            "snapshot_manifest_metadata_mismatch",
+            dataset_snapshot_id=snapshot_id,
+            source_manifest_path=str(manifest_path.resolve()),
+            manifest_snapshot_id=manifest_snapshot_id,
+            manifest_output_dir=manifest_output_dir,
+            snapshot_dir_name=snapshot_dir_name,
+        )
+    manifest_copy = run_dir / "snapshot_manifest.json"
+    manifest_copy.write_text(json.dumps(manifest_data, indent=2))
+
+    fingerprint = {
+        "dataset_snapshot_id": snapshot_id,
+        "source_manifest_path": str(manifest_path.resolve()),
+        "snapshot_dir_name": snapshot_dir_name,
+        "manifest_snapshot_id": manifest_snapshot_id,
+        "manifest_output_dir": manifest_output_dir,
+        "snapshot_id_matches_manifest": snapshot_id_matches_manifest,
+        "output_dir_matches_manifest": output_dir_matches_manifest,
+        "manifest_sha256": sha256_checksum_str(manifest_text),
+        "snapshot_created_at_utc": manifest_data.get("created_at_utc"),
+        "code_commit_hash": manifest_data.get("code_commit_hash"),
+        "feature_version": manifest_data.get("feature_version"),
+        "parser_version": manifest_data.get("parser_version"),
+        "label_version": manifest_data.get("label_version"),
+        "row_counts": manifest_data.get("row_counts"),
+        "total_rows": manifest_data.get("total_rows"),
+    }
+    fingerprint_path = run_dir / "snapshot_fingerprint.json"
+    fingerprint_path.write_text(json.dumps(fingerprint, indent=2))
+    return {
+        "snapshot_manifest": str(manifest_copy),
+        "snapshot_fingerprint": str(fingerprint_path),
+    }
+
+
 def write_trade_blotter(
     run_dir: Path,
     trades: list[FilledTrade],
@@ -431,6 +494,7 @@ def write_all_artifacts(
     # Core files
     paths["manifest"] = str(save_manifest(manifest, run_dir))
     paths["resolved_config"] = str(save_resolved_config(config, run_dir))
+    paths.update(write_snapshot_provenance(run_dir, config))
     paths["metadata"] = str(
         write_metadata(
             run_dir, run_id, started_at, finished_at, git_hash,
diff --git a/libs/backtest/overlay.py b/libs/backtest/overlay.py
new file mode 100644
index 0000000..830003f
--- /dev/null
+++ b/libs/backtest/overlay.py
@@ -0,0 +1,193 @@
+"""Evaluate deterministic book overlays from daily equity curves."""
+from __future__ import annotations
+
+import datetime as dt
+import math
+from pathlib import Path
+from typing import Any
+
+import pandas as pd
+
+
+def load_merged_store_from_snapshot_dir(
+    snapshot_dir: str | Path,
+    *,
+    oracle_url: str,
+    db_dsn: str,
+):
+    """Load and merge train/valid/test splits from an explicit snapshot directory."""
+    from libs.backtest.snapshot_store import SnapshotStore
+
+    base = Path(snapshot_dir)
+    stores = []
+    for split in ("train", "valid", "test"):
+        if not (base / f"{split}.parquet").exists():
+            continue
+        stores.append(
+            SnapshotStore.load(
+                snapshot_dir=base,
+                split_name=split,
+                oracle_url=oracle_url,
+                db_dsn=db_dsn,
+            )
+        )
+
+    if not stores:
+        raise FileNotFoundError(f"No snapshot splits found under {base}")
+
+    merged_candidates: dict[dt.date, dict[tuple[Any, ...], dict[str, Any]]] = {}
+    merged_bars: dict[str, dict[dt.date, dict[str, Any]]] = {}
+    merged_macro: dict[dt.date, dict[str, Any]] = {}
+
+    for store in stores:
+        for exec_date in store.all_execution_dates():
+            bucket = merged_candidates.setdefault(exec_date, {})
+            for candidate in store.get_candidates_for_date(exec_date):
+                dedupe_key = (
+                    candidate.get("event_id"),
+                    candidate.get("symbol"),
+                    candidate.get("execution_date"),
+                    candidate.get("reaction_date"),
+                )
+                bucket.setdefault(dedupe_key, candidate)
+        for symbol, bars in store._bars.items():
+            merged_bars.setdefault(symbol, {}).update(bars)
+        for macro_date, macro_values in store._macro.items():
+            merged_macro.setdefault(macro_date, {}).update(macro_values)
+
+    from libs.backtest.snapshot_store import SnapshotStore
+
+    return SnapshotStore(
+        candidates_by_exec_date={
+            date: list(rows.values())
+            for date, rows in merged_candidates.items()
+        },
+        bars_by_symbol_date=merged_bars,
+        macro_by_date=merged_macro,
+    )
+
+
+def load_equity_curve_csv(path: str | Path) -> pd.DataFrame:
+    """Load a paper backtest equity CSV into a normalized daily returns frame."""
+    csv_path = Path(path)
+    df = pd.read_csv(csv_path, parse_dates=["date"])
+    required = {"date", "equity"}
+    missing = required.difference(df.columns)
+    if missing:
+        raise ValueError(f"Missing columns in {csv_path}: {sorted(missing)}")
+    if df.empty:
+        raise ValueError(f"Equity CSV has no rows: {csv_path}")
+
+    df = df.sort_values("date").copy()
+    df["date"] = pd.to_datetime(df["date"]).dt.date
+    df["equity"] = df["equity"].astype(float)
+    df["daily_return"] = df["equity"].pct_change().fillna(0.0)
+    return df[["date", "equity", "daily_return"]]
+
+
+def validate_allocations(
+    allocations: dict[str, dict[str, float]],
+    labels: set[str],
+    *,
+    tolerance: float = 1e-6,
+) -> None:
+    """Ensure each regime allocation references known labels and sums to 1."""
+    if not allocations:
+        raise ValueError("allocations must not be empty")
+    if "unknown" not in allocations:
+        raise ValueError("allocations must include an 'unknown' regime")
+
+    for regime, weights in allocations.items():
+        unknown = set(weights).difference(labels)
+        if unknown:
+            raise ValueError(
+                f"Allocation for regime '{regime}' references unknown labels: {sorted(unknown)}"
+            )
+        total = sum(float(weight) for weight in weights.values())
+        if abs(total - 1.0) > tolerance:
+            raise ValueError(
+                f"Allocation for regime '{regime}' must sum to 1.0, got {total:.6f}"
+            )
+
+
+def build_overlay_curve(
+    *,
+    curves: dict[str, pd.DataFrame],
+    allocations: dict[str, dict[str, float]],
+    regimes_by_date: dict[dt.date, str],
+    initial_equity: float = 10_000.0,
+) -> pd.DataFrame:
+    """Combine per-book daily returns into a single overlay equity curve."""
+    labels = set(curves)
+    if not labels:
+        raise ValueError("curves must not be empty")
+    validate_allocations(allocations, labels)
+
+    merged: pd.DataFrame | None = None
+    for label, df in curves.items():
+        renamed = df.rename(
+            columns={
+                "equity": f"equity_{label}",
+                "daily_return": f"daily_return_{label}",
+            }
+        )
+        frame = renamed[["date", f"daily_return_{label}"]]
+        merged = frame if merged is None else merged.merge(frame, on="date", how="inner")
+
+    if merged is None or merged.empty:
+        raise ValueError("No overlapping dates across curves")
+
+    merged = merged.sort_values("date").copy()
+    merged["regime"] = merged["date"].map(regimes_by_date).fillna("unknown")
+
+    overlay_returns: list[float] = []
+    for row in merged.itertuples(index=False):
+        weights = allocations.get(row.regime, allocations["unknown"])
+        ret = 0.0
+        for label in labels:
+            ret += float(weights.get(label, 0.0)) * float(getattr(row, f"daily_return_{label}"))
+        overlay_returns.append(ret)
+
+    merged["overlay_return"] = overlay_returns
+    equity = initial_equity
+    overlay_equity: list[float] = []
+    for ret in overlay_returns:
+        equity *= 1.0 + float(ret)
+        overlay_equity.append(equity)
+    merged["overlay_equity"] = overlay_equity
+    return merged[["date", "regime", "overlay_return", "overlay_equity"]]
+
+
+def summarize_overlay_curve(curve: pd.DataFrame, *, initial_equity: float) -> dict[str, Any]:
+    """Return total return, drawdown, Sharpe, and regime counts for an overlay."""
+    if curve.empty:
+        raise ValueError("curve must not be empty")
+
+    final_equity = float(curve["overlay_equity"].iloc[-1])
+    total_return_pct = (final_equity / float(initial_equity) - 1.0) * 100.0
+
+    peak = float(initial_equity)
+    max_drawdown_pct = 0.0
+    for equity in curve["overlay_equity"]:
+        peak = max(peak, float(equity))
+        drawdown_pct = (peak - float(equity)) / peak * 100.0 if peak > 0 else 0.0
+        max_drawdown_pct = max(max_drawdown_pct, drawdown_pct)
+
+    rets = curve["overlay_return"].astype(float)
+    if len(rets) >= 2 and float(rets.std()) > 0:
+        sharpe = float(rets.mean() / rets.std() * math.sqrt(252.0))
+    else:
+        sharpe = 0.0
+
+    regime_counts = {
+        str(regime): int(count)
+        for regime, count in curve["regime"].value_counts().sort_index().items()
+    }
+    return {
+        "return_pct": total_return_pct,
+        "max_dd_pct": max_drawdown_pct,
+        "sharpe": sharpe,
+        "final_equity": final_equity,
+        "day_count": int(len(curve)),
+        "regime_day_counts": regime_counts,
+    }
diff --git a/libs/backtest/ranking_models.py b/libs/backtest/ranking_models.py
new file mode 100644
index 0000000..7e13e2c
--- /dev/null
+++ b/libs/backtest/ranking_models.py
@@ -0,0 +1,120 @@
+"""Lightweight learned ranking models for candidate prioritization."""
+from __future__ import annotations
+
+import json
+from functools import lru_cache
+from pathlib import Path
+from typing import Any
+
+
+def resolve_ranking_model_path(model_path: str) -> Path:
+    path = Path(model_path)
+    if path.is_absolute():
+        return path
+    return Path.cwd() / path
+
+
+@lru_cache(maxsize=16)
+def load_ranking_model(model_path: str) -> dict[str, Any]:
+    path = resolve_ranking_model_path(model_path)
+    return json.loads(path.read_text())
+
+
+def compute_ranking_model_score(
+    row: dict[str, Any],
+    model_path: str | None,
+) -> float | None:
+    if not model_path:
+        return None
+    model = load_ranking_model(model_path)
+    model_type = str(model.get("model_type", "")).lower()
+    if model_type != "bucket_blend_v1":
+        return None
+
+    features = model.get("features", [])
+    total_weight = 0.0
+    weighted_sum = 0.0
+    for feature in features:
+        weight = float(feature.get("weight", 0.0))
+        if weight <= 0:
+            continue
+        key = _resolve_feature_key(str(feature.get("name", "")), row)
+        if key is None:
+            continue
+        value = feature.get("values", {}).get(key)
+        if value is None:
+            continue
+        weighted_sum += weight * float(value)
+        total_weight += weight
+
+    if total_weight <= 0:
+        fallback = model.get("global_mean")
+        return float(fallback) if fallback is not None else None
+    return weighted_sum / total_weight
+
+
+def _resolve_feature_key(name: str, row: dict[str, Any]) -> str | None:
+    if name == "event_type":
+        return _safe_text(row.get("event_type"))
+    if name == "direction_guidance_combo":
+        direction = _safe_text(row.get("event_direction"))
+        guidance = _safe_text(row.get("guidance_status"))
+        if direction is None or guidance is None:
+            return None
+        return f"{direction}|{guidance}"
+    if name == "reaction_bucket":
+        return _bucketize(
+            _safe_float(row.get("reaction_day_return")),
+            [0.03, 0.05, 0.08, 0.12, 0.18, 0.25],
+        )
+    if name == "close_bucket":
+        return _bucketize(
+            _safe_float(row.get("close_location")),
+            [0.45, 0.55, 0.65, 0.70, 0.75, 0.83],
+        )
+    if name == "volume_bucket":
+        return _bucketize(
+            _safe_float(row.get("volume_ratio_20d")),
+            [1.0, 1.5, 2.0, 3.0, 4.0, 6.0],
+        )
+    if name == "gap_bucket":
+        return _bucketize(
+            _safe_float(row.get("gap_size")),
+            [0.0, 0.02, 0.05, 0.08, 0.15],
+        )
+    if name == "document_bucket":
+        return _bucketize(
+            _safe_float(row.get("document_quality_score")),
+            [0.60, 0.66, 0.70, 0.75, 0.80, 0.85],
+        )
+    if name == "confidence_bucket":
+        return _bucketize(
+            _safe_float(row.get("parse_confidence_overall")),
+            [0.60, 0.64, 0.70, 0.75, 0.80, 0.90],
+        )
+    return None
+
+
+def _bucketize(value: float | None, edges: list[float]) -> str | None:
+    if value is None or not edges:
+        return None
+    if value < edges[0]:
+        return f"lt:{edges[0]:.4f}"
+    for low, high in zip(edges, edges[1:]):
+        if low <= value < high:
+            return f"{low:.4f}:{high:.4f}"
+    return f"ge:{edges[-1]:.4f}"
+
+
+def _safe_float(raw: Any) -> float | None:
+    try:
+        return float(raw)
+    except (TypeError, ValueError):
+        return None
+
+
+def _safe_text(raw: Any) -> str | None:
+    if raw is None:
+        return None
+    text = str(raw).strip().lower()
+    return text or None
diff --git a/libs/export/continuation_snapshot.py b/libs/export/continuation_snapshot.py
new file mode 100644
index 0000000..c26c3cc
--- /dev/null
+++ b/libs/export/continuation_snapshot.py
@@ -0,0 +1,210 @@
+"""Build continuation-focused snapshots from existing event-day snapshots."""
+from __future__ import annotations
+
+import datetime as dt
+import json
+from decimal import Decimal
+from pathlib import Path
+from typing import Any
+
+import pyarrow as pa
+import pyarrow.parquet as pq
+
+from libs.common.config import get_settings
+from libs.common.time_utils import trading_days_between, utc_now
+from libs.export.snapshot_export import _rows_to_table, _temporal_split
+from libs.features.market_features import compute_market_features
+from libs.labeler.label_generator import _compute_labels_from_bars, _pct_return
+from libs.oracle_client.models import PriceBar
+
+
+def _parse_date(raw: Any) -> dt.date | None:
+    if isinstance(raw, dt.date):
+        return raw
+    if isinstance(raw, str):
+        try:
+            return dt.date.fromisoformat(raw)
+        except ValueError:
+            return None
+    return None
+
+
+def _iso_ts(date_value: dt.date) -> str:
+    return f"{date_value.isoformat()}T21:00:00+00:00"
+
+
+def _to_price_bars(date_bars: dict[dt.date, dict[str, Any]]) -> list[PriceBar]:
+    rows: list[PriceBar] = []
+    for date_value in sorted(date_bars):
+        bar = date_bars[date_value]
+        rows.append(
+            PriceBar(
+                date=date_value.isoformat(),
+                open=float(bar["open"]),
+                high=float(bar["high"]),
+                low=float(bar["low"]),
+                close=float(bar["close"]),
+                volume=float(bar["volume"]),
+            )
+        )
+    return rows
+
+
+def _continuation_entry_window(exec_date: dt.date, lookback_days: int) -> tuple[dt.date, dt.date] | None:
+    trading_days = trading_days_between(exec_date, exec_date + dt.timedelta(days=14))
+    signal_index = lookback_days
+    entry_index = lookback_days + 1
+    if len(trading_days) <= entry_index:
+        return None
+    return trading_days[signal_index], trading_days[entry_index]
+
+
+def _build_continuation_rows_from_bars(
+    base_rows: list[dict[str, Any]],
+    bars_by_symbol: dict[str, dict[dt.date, dict[str, Any]]],
+    *,
+    lookback_days: int = 3,
+) -> list[dict[str, Any]]:
+    transformed: list[dict[str, Any]] = []
+    price_bars_cache: dict[str, list[PriceBar]] = {}
+
+    for row in base_rows:
+        ticker = str(row.get("ticker") or row.get("symbol") or "").upper()
+        exec_date = _parse_date(row.get("entry_date") or row.get("execution_date"))
+        source_close_raw = row.get("event_close") or row.get("entry_price_est")
+        if not ticker or exec_date is None or source_close_raw in (None, 0):
+            continue
+        source_close = float(source_close_raw)
+
+        symbol_bars = bars_by_symbol.get(ticker)
+        if not symbol_bars or exec_date not in symbol_bars:
+            continue
+
+        dates = _continuation_entry_window(exec_date, lookback_days)
+        if dates is None:
+            continue
+        signal_date, entry_date = dates
+        if signal_date not in symbol_bars or entry_date not in symbol_bars:
+            continue
+
+        signal_bar = symbol_bars[signal_date]
+        signal_close = float(signal_bar["close"])
+        if source_close <= 0 or signal_close <= 0:
+            continue
+        drift_pct = (signal_close - source_close) / source_close
+
+        price_bars = price_bars_cache.get(ticker)
+        if price_bars is None:
+            price_bars = _to_price_bars(symbol_bars)
+            price_bars_cache[ticker] = price_bars
+        signal_features = compute_market_features(price_bars, signal_date.isoformat())
+
+        sorted_dates = sorted(symbol_bars)
+        entry_idx = sorted_dates.index(entry_date)
+        bars_from_entry = [symbol_bars[d] for d in sorted_dates[entry_idx:]]
+        if not bars_from_entry:
+            continue
+        entry_price = Decimal(str(bars_from_entry[0]["open"]))
+        forward_bars = bars_from_entry[1:]
+
+        label_status = "ok" if len(forward_bars) >= 20 else "truncated"
+        fwd_1d = _pct_return(entry_price, Decimal(str(bars_from_entry[1]["close"]))) if len(bars_from_entry) > 1 else None
+        lbl_3d = _compute_labels_from_bars(entry_price, forward_bars, 3)
+        lbl_5d = _compute_labels_from_bars(entry_price, forward_bars, 5)
+        lbl_10d = _compute_labels_from_bars(entry_price, forward_bars, 10)
+        lbl_20d = _compute_labels_from_bars(entry_price, forward_bars, 20)
+
+        new_row = dict(row)
+        original_event_id = str(row.get("event_id") or "")
+        new_row["event_id"] = f"{original_event_id}::cont_d{lookback_days}"
+        new_row["original_event_id"] = original_event_id
+        new_row["original_event_date"] = row.get("event_date")
+        new_row["original_reaction_date"] = row.get("reaction_date")
+        new_row["original_entry_date"] = row.get("entry_date")
+        new_row["original_event_close"] = source_close
+        new_row["event_date"] = signal_date.isoformat()
+        new_row["reaction_date"] = signal_date.isoformat()
+        new_row["entry_date"] = entry_date.isoformat()
+        new_row["entry_convention"] = "next_open_after_continuation_signal"
+        new_row["event_timestamp"] = _iso_ts(signal_date)
+        new_row["event_close"] = signal_close
+        new_row["entry_price"] = float(entry_price)
+        new_row["reaction_day_return"] = drift_pct
+        new_row["continuation_anchor_drift_pct"] = drift_pct
+        new_row["continuation_anchor_day_return"] = signal_features.get("reaction_day_return")
+        new_row["close_location"] = signal_features.get("close_location")
+        new_row["volume_ratio_20d"] = signal_features.get("volume_ratio_20d")
+        new_row["avg_dollar_volume_20d"] = signal_features.get("avg_dollar_volume_20d")
+        new_row["gap_size"] = signal_features.get("gap_size")
+        new_row["atr_14"] = signal_features.get("atr_14")
+        new_row["reaction_day_low"] = signal_features.get("reaction_day_low")
+        new_row["reaction_day_high"] = signal_features.get("reaction_day_high")
+        new_row["fwd_return_1d"] = float(fwd_1d) if fwd_1d is not None else None
+        new_row["fwd_return_3d"] = float(lbl_3d.get("fwd_return")) if lbl_3d.get("fwd_return") is not None else None
+        new_row["fwd_return_5d"] = float(lbl_5d.get("fwd_return")) if lbl_5d.get("fwd_return") is not None else None
+        new_row["fwd_return_10d"] = float(lbl_10d.get("fwd_return")) if lbl_10d.get("fwd_return") is not None else None
+        new_row["fwd_return_20d"] = float(lbl_20d.get("fwd_return")) if lbl_20d.get("fwd_return") is not None else None
+        new_row["mfe_3d"] = float(lbl_3d.get("mfe")) if lbl_3d.get("mfe") is not None else None
+        new_row["mae_3d"] = float(lbl_3d.get("mae")) if lbl_3d.get("mae") is not None else None
+        new_row["mfe_5d"] = float(lbl_5d.get("mfe")) if lbl_5d.get("mfe") is not None else None
+        new_row["mae_5d"] = float(lbl_5d.get("mae")) if lbl_5d.get("mae") is not None else None
+        new_row["mfe_10d"] = float(lbl_10d.get("mfe")) if lbl_10d.get("mfe") is not None else None
+        new_row["mae_10d"] = float(lbl_10d.get("mae")) if lbl_10d.get("mae") is not None else None
+        new_row["mfe_20d"] = float(lbl_20d.get("mfe")) if lbl_20d.get("mfe") is not None else None
+        new_row["mae_20d"] = float(lbl_20d.get("mae")) if lbl_20d.get("mae") is not None else None
+        new_row["label_status"] = label_status
+        transformed.append(new_row)
+
+    return transformed
+
+
+async def export_continuation_snapshot_from_base(
+    *,
+    base_snapshot_dir: str | Path,
+    output_dir: str | Path,
+    snapshot_id: str,
+    lookback_days: int = 3,
+) -> dict[str, Any]:
+    from libs.backtest.snapshot_store import SnapshotStore
+
+    base_path = Path(base_snapshot_dir)
+    rows: list[dict[str, Any]] = []
+    for split in ("train", "valid", "test"):
+        table = pq.read_table(base_path / f"{split}.parquet")
+        rows.extend(table.to_pylist())
+
+    symbols = sorted({str(r.get("ticker") or r.get("symbol") or "").upper() for r in rows if r.get("ticker") or r.get("symbol")})
+    dates = [_parse_date(r.get("entry_date")) for r in rows]
+    dates = [d for d in dates if d is not None]
+    if not symbols or not dates:
+        raise ValueError("Base snapshot has no symbols or dates")
+
+    settings = get_settings()
+    bars_by_symbol, _ = await SnapshotStore._fetch_price_data(
+        symbols,
+        (min(dates) - dt.timedelta(days=45), max(dates) + dt.timedelta(days=45)),
+        settings.stock_oracle_url,
+    )
+    transformed = _build_continuation_rows_from_bars(rows, bars_by_symbol, lookback_days=lookback_days)
+    splits = _temporal_split(transformed, "temporal_70_15_15")
+
+    out_path = Path(output_dir) / snapshot_id
+    out_path.mkdir(parents=True, exist_ok=True)
+    row_counts: dict[str, int] = {}
+    for split_name, split_rows in splits.items():
+        pq.write_table(_rows_to_table(split_rows), out_path / f"{split_name}.parquet")
+        row_counts[split_name] = len(split_rows)
+
+    manifest = {
+        "snapshot_id": snapshot_id,
+        "created_at_utc": utc_now().isoformat(),
+        "base_snapshot_id": base_path.name,
+        "transform": f"continuation_d{lookback_days}",
+        "split_policy": "temporal_70_15_15",
+        "row_counts": row_counts,
+        "total_rows": sum(row_counts.values()),
+        "output_dir": str(out_path),
+    }
+    (out_path / "manifest.json").write_text(json.dumps(manifest, indent=2))
+    return manifest
+
diff --git a/libs/export/merged_snapshot.py b/libs/export/merged_snapshot.py
new file mode 100644
index 0000000..dfb5736
--- /dev/null
+++ b/libs/export/merged_snapshot.py
@@ -0,0 +1,55 @@
+"""Merge multiple snapshot directories and re-split them temporally."""
+from __future__ import annotations
+
+import json
+from pathlib import Path
+from typing import Any
+
+import pyarrow.parquet as pq
+
+from libs.common.time_utils import utc_now
+from libs.export.snapshot_export import _rows_to_table, _temporal_split
+
+
+def export_merged_snapshot(
+    *,
+    source_snapshot_dirs: list[str | Path],
+    output_dir: str | Path,
+    snapshot_id: str,
+    split_policy: str = "temporal_70_15_15",
+) -> dict[str, Any]:
+    rows: list[dict[str, Any]] = []
+    source_ids: list[str] = []
+
+    for source_dir in source_snapshot_dirs:
+        source_path = Path(source_dir)
+        source_ids.append(source_path.name)
+        signal_origin = "continuation" if "cont_" in source_path.name else "event_day"
+        for split in ("train", "valid", "test"):
+            table = pq.read_table(source_path / f"{split}.parquet")
+            for row in table.to_pylist():
+                merged_row = dict(row)
+                merged_row.setdefault("signal_origin", signal_origin)
+                rows.append(merged_row)
+
+    splits = _temporal_split(rows, split_policy)
+    out_path = Path(output_dir) / snapshot_id
+    out_path.mkdir(parents=True, exist_ok=True)
+
+    row_counts: dict[str, int] = {}
+    for split_name, split_rows in splits.items():
+        pq.write_table(_rows_to_table(split_rows), out_path / f"{split_name}.parquet")
+        row_counts[split_name] = len(split_rows)
+
+    manifest = {
+        "snapshot_id": snapshot_id,
+        "created_at_utc": utc_now().isoformat(),
+        "source_snapshot_ids": source_ids,
+        "transform": "merged_snapshot",
+        "split_policy": split_policy,
+        "row_counts": row_counts,
+        "total_rows": sum(row_counts.values()),
+        "output_dir": str(out_path),
+    }
+    (out_path / "manifest.json").write_text(json.dumps(manifest, indent=2))
+    return manifest
diff --git a/libs/features/intraday_features.py b/libs/features/intraday_features.py
new file mode 100644
index 0000000..908f69b
--- /dev/null
+++ b/libs/features/intraday_features.py
@@ -0,0 +1,135 @@
+"""Intraday volume profile features from 5-minute bars.
+
+Computes institutional conviction signals from reaction-day intraday data:
+  - first_half_volume_pct: fraction of volume in 9:30-12:00
+  - volume_front_loading_ratio: first_half / second_half volume
+  - vwap_premium_pct: (close - vwap) / vwap
+  - institutional_conviction_score: composite [0, 1]
+"""
+from __future__ import annotations
+
+from typing import Any
+
+from libs.common.logging import get_logger
+
+logger = get_logger(__name__)
+
+# NYSE session: 9:30 ET - 16:00 ET; midpoint at 12:00 ET
+_MIDPOINT_HOUR = 12
+_MIDPOINT_MINUTE = 0
+
+
+def compute_intraday_features(bars: list[dict[str, Any]]) -> dict[str, Any] | None:
+    """Compute intraday volume profile features from 5-minute bars.
+
+    Args:
+        bars: list of dicts with keys: timestamp, open, high, low, close, volume.
+              timestamp format: "2024-01-15T09:30:00-05:00" or similar.
+
+    Returns:
+        Feature dict or None if insufficient data.
+    """
+    if not bars or len(bars) < 10:
+        return None
+
+    first_half_vol = 0
+    second_half_vol = 0
+    total_volume = 0
+    vwap_numerator = 0.0
+
+    for bar in bars:
+        vol = int(bar.get("volume", 0))
+        if vol <= 0:
+            continue
+
+        ts = bar.get("timestamp", "")
+        hour, minute = _extract_hour_minute(ts)
+        if hour is None:
+            continue
+
+        total_volume += vol
+        typical_price = (float(bar["high"]) + float(bar["low"]) + float(bar["close"])) / 3.0
+        vwap_numerator += typical_price * vol
+
+        if hour < _MIDPOINT_HOUR or (hour == _MIDPOINT_HOUR and minute == 0):
+            first_half_vol += vol
+        else:
+            second_half_vol += vol
+
+    if total_volume < 100:
+        return None
+
+    first_half_pct = first_half_vol / total_volume if total_volume > 0 else 0.0
+    front_loading = first_half_vol / max(1, second_half_vol)
+    vwap = vwap_numerator / total_volume if total_volume > 0 else 0.0
+
+    last_close = float(bars[-1].get("close", 0.0))
+    vwap_premium = (last_close - vwap) / vwap if vwap > 0 else 0.0
+
+    conviction = _compute_conviction_score(first_half_pct, front_loading, vwap_premium)
+
+    return {
+        "first_half_volume_pct": round(first_half_pct, 4),
+        "volume_front_loading_ratio": round(front_loading, 4),
+        "vwap_premium_pct": round(vwap_premium, 6),
+        "institutional_conviction_score": round(conviction, 4),
+    }
+
+
+def _compute_conviction_score(
+    first_half_pct: float,
+    front_loading: float,
+    vwap_premium: float,
+) -> float:
+    """Composite conviction score [0, 1].
+
+    High conviction = volume front-loaded (institutions acting early)
+    + closing above VWAP (sustained buying pressure).
+
+    Components (equal weight):
+      - Front-loading: 1.4-2.0x first/second half ratio -> 0.5-1.0
+      - VWAP premium: 0%-2%+ close above VWAP -> 0.5-1.0
+      - Volume concentration: 55-70% in first half -> 0.5-1.0
+    """
+    # Front-loading ratio score
+    if front_loading < 1.0:
+        fl_score = 0.2
+    elif front_loading < 1.4:
+        fl_score = 0.2 + (front_loading - 1.0) / 0.4 * 0.3
+    elif front_loading <= 2.0:
+        fl_score = 0.5 + (front_loading - 1.4) / 0.6 * 0.5
+    else:
+        fl_score = 1.0
+
+    # VWAP premium score
+    if vwap_premium < 0:
+        vwap_score = max(0.0, 0.3 + vwap_premium * 10)
+    elif vwap_premium < 0.01:
+        vwap_score = 0.3 + vwap_premium / 0.01 * 0.4
+    elif vwap_premium <= 0.02:
+        vwap_score = 0.7 + (vwap_premium - 0.01) / 0.01 * 0.3
+    else:
+        vwap_score = 1.0
+
+    # Volume concentration score
+    if first_half_pct < 0.45:
+        conc_score = 0.1
+    elif first_half_pct < 0.55:
+        conc_score = 0.1 + (first_half_pct - 0.45) / 0.10 * 0.4
+    elif first_half_pct <= 0.70:
+        conc_score = 0.5 + (first_half_pct - 0.55) / 0.15 * 0.5
+    else:
+        conc_score = 1.0
+
+    return max(0.0, min(1.0, (fl_score + vwap_score + conc_score) / 3.0))
+
+
+def _extract_hour_minute(timestamp_str: str) -> tuple[int | None, int | None]:
+    """Extract hour and minute from an ISO timestamp string."""
+    try:
+        # Handle formats like "2024-01-15T09:30:00-05:00" or "2024-01-15 09:30:00"
+        time_part = timestamp_str.split("T")[-1] if "T" in timestamp_str else timestamp_str.split(" ")[-1]
+        parts = time_part.split(":")
+        return int(parts[0]), int(parts[1])
+    except (IndexError, ValueError):
+        return None, None
diff --git a/models/ranking/return_max_long_v6_138_bucket_blend_v1.json b/models/ranking/return_max_long_v6_138_bucket_blend_v1.json
new file mode 100644
index 0000000..3b5a747
--- /dev/null
+++ b/models/ranking/return_max_long_v6_138_bucket_blend_v1.json
@@ -0,0 +1,77 @@
+{
+  "features": [
+    {
+      "name": "event_type",
+      "values": {
+        "earnings_release": 0.009541954980765698,
+        "guidance_update": 0.0009482648915621687,
+        "management_change": 0.0037943892849668067,
+        "material_contract": -0.002583401943860385,
+        "other_material_event": 0.007274953564248645,
+        "unknown": 0.013718728472747108
+      },
+      "weight": 1.0
+    },
+    {
+      "name": "direction_guidance_combo",
+      "values": {
+        "bearish|inline_or_maintained": 0.014849691046284415,
+        "bearish|lowered": 0.013276250701250034,
+        "bearish|not_provided": 0.018595717479568417,
+        "bearish|withdrawn": 0.011369466183441736,
+        "bullish|inline_or_maintained": 0.02727479326576037,
+        "bullish|not_provided": 0.004903340259116119,
+        "bullish|raised": 0.011991806619724226,
+        "mixed|inline_or_maintained": 0.004622282169307713,
+        "mixed|lowered": 0.00588359030953816,
+        "mixed|not_provided": 0.00907448566353367,
+        "mixed|raised": 0.0024288776644139517,
+        "mixed|withdrawn": 0.005830410949122928,
+        "unknown|inline_or_maintained": 0.0037177429402563906,
+        "unknown|not_provided": 0.006394818363679808
+      },
+      "weight": 1.0
+    },
+    {
+      "name": "reaction_bucket",
+      "values": {
+        "0.0300:0.0500": 0.005804302904957638,
+        "0.0500:0.0800": 0.014028950406920149,
+        "0.0800:0.1200": 0.013390250099679488,
+        "0.1200:0.1800": 0.016429699012940856,
+        "0.1800:0.2500": 0.018091554496172925,
+        "ge:0.2500": 0.022703549563279107,
+        "lt:0.0300": 0.007463418336429027
+      },
+      "weight": 1.0
+    },
+    {
+      "name": "close_bucket",
+      "values": {
+        "0.4500:0.5500": 0.0037344958793790553,
+        "0.5500:0.6500": 0.0034088379270604146,
+        "0.6500:0.7000": 0.0077765367486839505,
+        "0.7000:0.7500": 0.01365069551914878,
+        "0.7500:0.8300": 0.005653113232508216,
+        "ge:0.8300": 0.012257990963233491,
+        "lt:0.4500": 0.009148577108281387
+      },
+      "weight": 1.0
+    },
+    {
+      "name": "volume_bucket",
+      "values": {
+        "1.0000:1.5000": 0.005788743156663131,
+        "1.5000:2.0000": 0.009552789598084569,
+        "2.0000:3.0000": 0.010935970477692514,
+        "3.0000:4.0000": 0.011978407936663975,
+        "4.0000:6.0000": 0.010133479958808835,
+        "ge:6.0000": 0.007055591853625428,
+        "lt:1.0000": 0.006421397824293606
+      },
+      "weight": 1.0
+    }
+  ],
+  "global_mean": 0.008588314546783061,
+  "model_type": "bucket_blend_v1"
+}
\ No newline at end of file
diff --git a/models/ranking/return_max_long_v6_138_bucket_blend_v1_shrunk.json b/models/ranking/return_max_long_v6_138_bucket_blend_v1_shrunk.json
new file mode 100644
index 0000000..415915c
--- /dev/null
+++ b/models/ranking/return_max_long_v6_138_bucket_blend_v1_shrunk.json
@@ -0,0 +1,89 @@
+{
+  "features": [
+    {
+      "name": "event_type",
+      "values": {
+        "earnings_release": 0.009534859441822375,
+        "guidance_update": 0.0010963278693765272,
+        "management_change": 0.004044724807777055,
+        "material_contract": -0.0007368372346631217,
+        "other_material_event": 0.007315489397042917,
+        "unknown": 0.013660128656345463
+      },
+      "weight": 1.0
+    },
+    {
+      "name": "direction_guidance_combo",
+      "values": {
+        "bearish|inline_or_maintained": 0.01239424928177408,
+        "bearish|lowered": 0.01289970964466634,
+        "bearish|not_provided": 0.01687030318081232,
+        "bearish|withdrawn": 0.010472320494197001,
+        "bullish|inline_or_maintained": 0.02060105086612562,
+        "bullish|not_provided": 0.005544205352623413,
+        "bullish|raised": 0.01194070313514553,
+        "mixed|inline_or_maintained": 0.0048338038961063985,
+        "mixed|lowered": 0.006114763321268493,
+        "mixed|not_provided": 0.009069604427421716,
+        "mixed|raised": 0.0030268812452264866,
+        "mixed|withdrawn": 0.006546749545917768,
+        "unknown|inline_or_maintained": 0.004394211218940651,
+        "unknown|not_provided": 0.0064175018816022816
+      },
+      "weight": 1.0
+    },
+    {
+      "name": "reaction_bucket",
+      "values": {
+        "0.0300:0.0500": 0.005909957995729001,
+        "0.0500:0.0800": 0.013773521493298689,
+        "0.0800:0.1200": 0.013052085624123402,
+        "0.1200:0.1800": 0.01565332431332127,
+        "0.1800:0.2500": 0.0166181839613838,
+        "ge:0.2500": 0.0197628756015091,
+        "lt:0.0300": 0.00746791882136743
+      },
+      "weight": 1.0
+    },
+    {
+      "name": "close_bucket",
+      "values": {
+        "0.4500:0.5500": 0.003896289834959189,
+        "0.5500:0.6500": 0.0035756487682753147,
+        "0.6500:0.7000": 0.007825292171993205,
+        "0.7000:0.7500": 0.013334296708375923,
+        "0.7500:0.8300": 0.005759077178871929,
+        "ge:0.8300": 0.012200109631743736,
+        "lt:0.4500": 0.009144800481645066
+      },
+      "weight": 1.0
+    },
+    {
+      "name": "volume_bucket",
+      "values": {
+        "1.0000:1.5000": 0.005833464744364727,
+        "1.5000:2.0000": 0.009533970572693319,
+        "2.0000:3.0000": 0.010902360514472622,
+        "3.0000:4.0000": 0.011873936645758554,
+        "4.0000:6.0000": 0.010074728422229909,
+        "ge:6.0000": 0.007158115110692828,
+        "lt:1.0000": 0.006450003985646603
+      },
+      "weight": 1.0
+    },
+    {
+      "name": "gap_bucket",
+      "values": {
+        "0.0000:0.0200": 0.008129876651421848,
+        "0.0200:0.0500": 0.006752810448790125,
+        "0.0500:0.0800": 0.021429731733563485,
+        "0.0800:0.1500": 0.005394540658745227,
+        "ge:0.1500": 0.02707372309534434,
+        "lt:0.0000": 0.006965288168527164
+      },
+      "weight": 1.0
+    }
+  ],
+  "global_mean": 0.008588314546783061,
+  "model_type": "bucket_blend_v1"
+}
\ No newline at end of file