- Trade.pnl now stores net pnl (after exit commission) so per-trade stats are accurate
- Position pyclass uses from_py_object to fix deprecation warning
- Removed dead AttributeError swallow in engine.rs
- Strategy gains self.data, self.index, self.cash, self.equity properties
- Broker.cash exposed to Python via pyo3(get)
- Sharpe ratio added to Stats (unannualized)
- Added examples/sma_cross.py and examples/compare_bt.py
- Logic verified against backtesting.py: 34 trades, 29.4% win rate match
- Replaced manual CSV parsing with csv crate, columns now looked up by name
- Fixed Rust example path and contract_size
- Added CHANGELOG.md for release tracking
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
KhizarImran