Look-Ahead Bias
Meaning ⎊ A simulation error where a model uses future data to inform past decisions, resulting in impossible profit expectations.
Net Profitability Modeling
Meaning ⎊ Calculation of final strategy returns by subtracting all operational costs, slippage, and fees from gross trading profits.
Cost-Adjusted Back-Testing
Meaning ⎊ Method for evaluating trading strategy performance by factoring in real world transaction costs and market friction expenses.
