E-03. Strategy 1 grid + walk-forward (2026-07-09)
- Grid of 81 combinations (recorded); best train Sharpe 0.258. The top 3 passed the val comparison (0.967/0.527/0.283 — val was actually higher).
- Walk-forward (32 windows, 2,592 total searches): OOS Sharpe 0.177, +3.87%, MDD -14.38%. 12/32 windows had 0 trades.
- Verdict: OOS Sharpe < 0.5 → discarded (kill criteria). The good-looking val result is interpreted as luck on a sample of 17 trades.
Source and migration evidence
Source: backtest/docs/experiment-log.md#E-03
Original SHA-256: 069c4aaaf53a20930ca8d94ba6365b4ce2b6bc560171d662a4c179ea55a6857c
Raw data and account information are not part of the public package. The original results do not replace statistical or scientific revalidation. The English text is a translation; numbers, tables and charts are carried over unchanged.