backtesting

Type: Concept

As of November 2026, backtesting has been mentioned in one podcast episode on The Ezra Klein Show (Dec 2025).

Backtesting is a term used in modeling to refer to testing a predictive model on historical data. Backtesting is a type of retrodiction, and a special type of cross-validation applied to previous time period(s). In quantitative finance, backtesting is an important step before deploying algorithmic strategies in live markets.

backtesting at a glance
Mentioned in	1 episode on 1 podcast (as of November 2026)
First heard	Dec 2025 on The Ezra Klein Show

Who talks about backtesting on podcasts?

backtesting came up; the most recent mention was Dec 2025 on The Ezra Klein Show.

The Simplest Way to Save Lives With Your Money | The Ezra Klein Show on The Ezra Klein Show (Dec 2025)

What is backtesting mentioned alongside?

backtesting is most often mentioned alongside Randomized controlled trial (RCT), Honduras and supermobile.com.

Mentioned together: Randomized controlled trial (RCT), Honduras, supermobile.com, United States (US), givewell.org, UCLA Speed Test, T-Mobile, Doctors Without Borders, New York Times Opinion, Nick Kristof