Out-of-Sample Validation
Meaning ⎊ Verifying model performance on unseen data to ensure the strategy generalizes beyond the training environment.
Walk Forward Validation
Meaning ⎊ Sequential testing method that trains on past data and validates on future data to simulate real trading conditions.
Walk-Forward Optimization
Meaning ⎊ A validation method using rolling data windows to test strategy performance on unseen, future periods.
