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Python

"""Phase 2: MDD-reduction focused tuning to push SQS over 85.
SQS bottleneck is risk component (51.2/100) because MDD=9.78%≈10% boundary.
Dropping MDD below 9% would lift SQS risk score significantly.
"""
import json
import subprocess
import shutil
import sys
from pathlib import Path
BASE = "configs/experiments/return_max_long_v8.11_composed_gld_tqqq_bmc30_cl65_vol40_rmin1_cap96.json"
SWEEP_DIR = Path("configs/experiments/_tune_v811_mdd")
SWEEP_DIR.mkdir(exist_ok=True)
SNAPSHOT = "pead_dualconv_ftb_fix_v2_probe"
def make(name: str, signal_ov=None, risk_ov=None, exec_ov=None, sleeves=None) -> str:
with open(BASE) as f:
cfg = json.load(f)
cfg["experiment_name"] = name
if signal_ov:
cfg["overrides"]["signal"].update(signal_ov)
if risk_ov:
cfg["overrides"]["risk"].update(risk_ov)
if exec_ov:
cfg["overrides"]["execution"].update(exec_ov)
if sleeves:
cfg["overrides"].update(sleeves)
path = SWEEP_DIR / f"{name}.json"
path.write_text(json.dumps(cfg, indent=2))
return str(path)
def run(config_path: str) -> dict:
cmd = ["python3", "-m", "apps.backtester.run", "--manifest", config_path,
"--start", "2022-01-01", "--split", "all", "--initial-equity", "10000",
"--snapshot-id", SNAPSHOT]
cache = Path(f"data/parquet/{SNAPSHOT}/.runtime_cache")
if cache.exists():
shutil.rmtree(cache)
proc = subprocess.run(cmd, capture_output=True, text=True, timeout=200)
tail = proc.stdout.split("\n")[-12:]
run_id = ret = sqs = trades = None
for line in tail:
if "Run complete:" in line:
run_id = line.split("Run complete:")[1].strip()
elif "Total return:" in line:
try: ret = float(line.split(":")[1].strip().rstrip("%"))
except: pass
elif "SQS:" in line:
try: sqs = float(line.split("SQS:")[1].strip().split(" ")[0])
except: pass
elif "Trades:" in line:
try: trades = int(line.split(":")[1].strip())
except: pass
mdd = sharpe = pf = None
if run_id:
m_path = Path(f"runs/{run_id}/metrics/metrics_summary.json")
if m_path.exists():
m = json.loads(m_path.read_text())
mdd, sharpe, pf = m["max_drawdown_pct"], m["sharpe_ratio"], m["profit_factor"]
return {"return": ret, "trades": trades, "mdd": mdd, "sharpe": sharpe, "pf": pf, "sqs": sqs, "run_id": run_id}
def main():
sweeps_arg = sys.argv[1] if len(sys.argv) > 1 else "all"
SWEEPS = [
# Position sizing reduction (baseline 0.96)
("M01_pos80", None, {"max_position_value_pct": 0.80}, None, None),
("M02_pos70", None, {"max_position_value_pct": 0.70}, None, None),
# Per-trade risk reduction (baseline 0.65)
("M03_ptr55", None, {"per_trade_risk_pct": 0.55, "per_trade_risk_pct_a_tier": 0.6}, None, None),
("M04_ptr50", None, {"per_trade_risk_pct": 0.50, "per_trade_risk_pct_a_tier": 0.55}, None, None),
# Combined: pos↓ + risk↓
("M05_pos80_ptr55", None, {"max_position_value_pct": 0.80, "per_trade_risk_pct": 0.55, "per_trade_risk_pct_a_tier": 0.6}, None, None),
# Stop ATR tighter (baseline 3) - catches losers earlier
("M06_stop25", None, {"stop_atr_multiplier": 2.5}, None, None),
# Re-enable macro risk-off scaler
("M07_ro_07", None, {"macro_regime_risk_off_size_scaler": 0.7}, None, None),
("M08_ro_05", None, {"macro_regime_risk_off_size_scaler": 0.5}, None, None),
# Defensive parking variants
("M09_park_calm", None, {"cash_parking_preset": "qqqm_low_dd_tqqq_calm_v2_gld"}, None, None),
("M10_park_conserv", None, {"cash_parking_preset": "qqqm_low_dd_tqqq_conservative_gld_brake_v2"}, None, None),
("M11_park_brake_v3", None, {"cash_parking_preset": "qqqm_low_dd_tqqq_active_v2_gld_brake_v3"}, None, None),
# Defensive risk_off sleeves
("M12_ro_balanced", None, None, None, {"risk_off_alpha_sleeve_preset": "risk_off_alpha_gld_crisis65_balanced_refined"}),
("M13_ro_crisis60", None, None, None, {"risk_off_alpha_sleeve_preset": "risk_off_alpha_gld_crisis60"}),
# Combos: best defensive + position cut
("M20_combo1", None, {"max_position_value_pct": 0.80, "macro_regime_risk_off_size_scaler": 0.6}, None, None),
("M21_combo2", None, {"max_position_value_pct": 0.80, "per_trade_risk_pct": 0.55, "per_trade_risk_pct_a_tier": 0.6, "macro_regime_risk_off_size_scaler": 0.6}, None, None),
]
if sweeps_arg != "all":
idx = [int(x) for x in sweeps_arg.split(",")]
SWEEPS = [SWEEPS[i] for i in idx]
baseline = {"return": 6839, "mdd": 9.78, "sharpe": 3.53, "pf": 8.26, "sqs": 84.8, "trades": 329}
print(f"BASELINE v8.11: ret={baseline['return']}% MDD={baseline['mdd']}% Sharpe={baseline['sharpe']} PF={baseline['pf']} SQS={baseline['sqs']} trades={baseline['trades']}", flush=True)
print("=" * 130, flush=True)
results = []
for name, sig_ov, risk_ov, exec_ov, sleeves in SWEEPS:
path = make(name, sig_ov, risk_ov, exec_ov, sleeves)
params = {k: v for d in (sig_ov, risk_ov, exec_ov, sleeves) if d for k, v in d.items()}
print(f"\n>>> {name}: {params}", flush=True)
try:
r = run(path)
r["name"] = name
if r["return"] is None:
print(f" FAILED", flush=True); continue
d_ret = r["return"] - baseline["return"]
d_sqs = (r["sqs"] or 0) - baseline["sqs"]
d_mdd = (r["mdd"] or 0) - baseline["mdd"]
print(f" ret={r['return']:.0f}% (Δ{d_ret:+.0f}) MDD={r['mdd']:.2f}% (Δ{d_mdd:+.2f}) Sharpe={r['sharpe']:.2f} PF={r['pf']:.2f} SQS={r['sqs']:.1f}{d_sqs:+.1f}) trades={r['trades']}", flush=True)
results.append(r)
except Exception as e:
print(f" FAILED: {e}", flush=True)
print("\n" + "=" * 130, flush=True)
print("SUMMARY (sorted by SQS, then return):", flush=True)
results.sort(key=lambda x: (x.get("sqs") or 0, x.get("return") or 0), reverse=True)
print(f"{'name':20s} {'return':>10s} {'MDD':>8s} {'Sharpe':>8s} {'PF':>6s} {'SQS':>7s} {'trades':>7s}", flush=True)
print(f"{'BASELINE':20s} {baseline['return']:>9.0f}% {baseline['mdd']:>7.2f}% {baseline['sharpe']:>8.2f} {baseline['pf']:>6.2f} {baseline['sqs']:>7.1f} {baseline['trades']:>7d}", flush=True)
for r in results:
print(f"{r['name']:20s} {r['return']:>9.0f}% {r['mdd']:>7.2f}% {r['sharpe']:>8.2f} {r['pf']:>6.2f} {r['sqs']:>7.1f} {r['trades']:>7d}", flush=True)
if __name__ == "__main__":
main()