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foxhunt/crates/ml/examples
jgrusewski 30e94446cd fix: compute bars_per_day from fxcache timestamps — correct annualization
bars_per_day was hardcoded 390 (1-minute candles) but we use MBP-10
imbalance bars (~7500/day). All Sharpe/Sortino/return annualization
was off by sqrt(7500/390) ≈ 4.4×.

Now computed from actual fxcache timestamps:
  bars_per_day = total_bars / (trading_days from timestamp span)

Propagates to: val_Sharpe, train_Sharpe, financials, backtest evaluator.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-17 20:46:04 +02:00
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