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I Luk Kim 557d54921a V31 gap-zscore signal test: FAILED on both hard gate and negative weight
V31 research findings (2026-04-22):
- Hard gate (max_gap_zscore_20d=1.0): 45.2% vs V24 95.3% — catastrophically bad.
  All three terciles are profitable; hard rejection removes positive-EV trades.
- Negative weight (weight_gap_zscore=-0.05): 90.6% DD-12.33% Sh=2.649.
  Signal too weak (G2 failed at 0.181R < 0.30R threshold). G2 ≥ 0.30R
  validated as reliable promotion gate: OBV-slope (G2=0.394R) passed; all
  signals below 0.30R failed in backtest.

All 7 signal axes exhausted — V24 is the peak for current feature library.
domain.py: add max_gap_zscore_20d param (no-op at None default)
orb_simulator.py: add gainers_leader hard-gate (no-op at None default)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
4 months ago
..
backtest Investigate compound mode: V23 is absolute champion in all modes 4 months ago
common Optimize v7 strategy: v7.356 achieves CW 2159% + SQS 90.7 (Pareto improvement over v7.314) 4 months ago
db feat: PEAD mid-cap strategy + pipeline hardening + README cleanup 5 months ago
export Optimize v7 strategy: v7.356 achieves CW 2159% + SQS 90.7 (Pareto improvement over v7.314) 4 months ago
features Optimize v7 strategy: v7.356 achieves CW 2159% + SQS 90.7 (Pareto improvement over v7.314) 4 months ago
intraday V31 gap-zscore signal test: FAILED on both hard gate and negative weight 4 months ago
labeler Optimize v7 strategy: v7.356 achieves CW 2159% + SQS 90.7 (Pareto improvement over v7.314) 4 months ago
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