提交

backend/app/backtest/engine.py

@@ -24,6 +24,7 @@ class BacktestConfig:
     initial_cash: float = 1000000.0
     fast_mode: bool = False            # True: 关 T+1/费用，交互试探
     bars_per_year: int = 252           # 日线 252；分钟级另算
+    is_fund: bool = False              # 场内基金（ETF）：免印花税/过户费
 
 
 def run_backtest(bars: list[Bar], strategy, cfg: BacktestConfig | None = None) -> dict:
@@ -45,6 +46,7 @@ def run_backtest(bars: list[Bar], strategy, cfg: BacktestConfig | None = None) -
         initial_cash=cfg.initial_cash,
         enable_costs=not cfg.fast_mode,
         enable_t_plus_1=not cfg.fast_mode,
+        is_fund=cfg.is_fund,
     )
 
     equity_values = []