Glossary ยท Lesson 6.15
Look-Ahead Bias
Look-ahead bias inflates backtest results by silently giving the strategy access to data that real investors did not have at the time.
Definition
Look-ahead bias inflates backtest results by silently giving the strategy access to data that real investors did not have at the time.
In FactorSage
Fundamentals are exposed only as of their reporting date so built-in fields cannot reference future data.
Related
- Look-ahead biasBacktesting