Trading Slippage ------------------------------- TradingSlippage is a backtesting-only execution cost used by SMART_LIMIT fills. You can provide slippage at the strategy level: .. code-block:: python from lumibot.entities import TradingSlippage slippage = TradingSlippage(amount=0.05) MyStrategy.backtest( ..., buy_trading_slippages=[slippage], sell_trading_slippages=[slippage], ) .. automodule:: lumibot.entities.trading_slippage :noindex: :members: :undoc-members: :show-inheritance: