Better System Trader cover image

185: How to avoid creating trading strategies that degrade quickly - Timothy Masters

Better System Trader

00:00

Unbiased Performance Measures Are Not Representative of Future Trades

Trading system developers often use the term "unbiased" to describe a performance measure. But an unbiased measure is almost certainly optimistic or pessimistic, he says. The trades we observe in our out of sample data set are not representative of future trades,. They're simply a random sample from the possible trades and hence subject to random variation.

Transcript
Play full episode

The AI-powered Podcast Player

Save insights by tapping your headphones, chat with episodes, discover the best highlights - and more!
App store bannerPlay store banner
Get the app