Backtest Overfitting
Meaning ⎊ Excessive tuning of a strategy to past data, resulting in poor performance when applied to new market conditions.
Regularization in Trading Models
Meaning ⎊ Adding penalties to model complexity to prevent overfitting and improve the ability to generalize to new data.
Model Overfitting
Meaning ⎊ The failure of a trading model to perform in live markets because it was trained too specifically on historical data.
Elastic Net Regularization
Meaning ⎊ A hybrid regularization method combining L1 and L2 penalties to achieve both feature selection and model stability.
