Gahow Wang 149a00c458 chore: backtest engine fee model, metrics, and strategy fixes ...

- main.py: add IBKR-style tiered fee schedule (fee_base + fee_per_share),
  PIT universe support, and open-to-close execution improvements
- metrics.py: add raw_summary helper for JSON-safe metric export
- Misc strategy fixes: deprecation warnings, NaN handling

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-05-21 20:57:56 +08:00

..

.gitkeep

Initial commit: quant backtesting framework with daily trading simulator

2026-04-05 00:41:19 +08:00

sp500_history.json

chore: backtest engine fee model, metrics, and strategy fixes

2026-05-21 20:57:56 +08:00