Todos los libros

Profesional

Apps Acerca de Coach Iniciar sesión Empezar a leer

Quantitative Finance · Glosario

¿Qué es Minimum backtest length?

Definition 20.3 Research Craft: Predictors, Backtests, Measurement, Portfolios · Capítulo 20 — Overfitting

The minimum backtest length for NN trials and a target Sharpe ratio is the number of years of history below which the expected best of NN strategies with no skill has an in-sample Sharpe ratio at or above the target.

Minimum backtest length: the years of history below which the expected best of N independent null strategies reaches the target Sharpe ratio. Data: firm.overfit.min_backtest_length.
Figure 20.3. Minimum backtest length: the years of history below which the expected best of NN independent null strategies reaches the target Sharpe ratio. Data: firm.overfit.min_backtest_length.
Leer en el capítulo →