Numerai – A global AI tournament to predict the stock market
The hardest data science tournament on the planet. Predict the stock market with AI to power our hedge fund.
Numerai – A global AI tournament to predict the stock market launched on December 11, 2015 with 68 votes, #1,041 of 3,505 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 10 years on.
In plain words
Numerai is a data science tournament where participants build AI models to predict stock market performance using obfuscated datasets. Competitors train models with provided Python and R scripts, then stake cryptocurrency on their predictions to earn rewards based on accuracy. The platform combines predictions from thousands of models to power a hedge fund, with participants building reputation through a leaderboard system. It is designed for data scientists and AI researchers interested in quantitative finance.
written from the facts on this page · September 2026
From the sources
It is clean and regularized, designed to be usable right away. Obfuscated, so it can be given out for free. Each id corresponds to a stock at a specific time era . The features describe the various quantitative attributes of the stock at the time. The target represents an abstract measure of performance a fixed number of weeks into the future. Build a model using the example Python and R scripts. Everything you need to get started in one package. Build reputation to claim your place on the leaderboard. Stake on your model to earn (or burn) cryptocurrency. Learn how Numerai combines thousands of models into one meta model to predict the stock market. Numerai data scientists stake their best…from numer.ai
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