Welcome to the

Good Judgmentâ„¢ Open

Note for NYT readers: The forecasting tournament on Iran referenced in the Tetlock-Scoblic op-ed article is the Polarization v. Prediction: Iran (2016) challenge. Please join via the Challenges page after sign up.

Are you a superforecaster?

Can you predict what will happen in the news before it's in the headlines?

Compete in the GJ Open against the smartest crowd online – the one that decisively won the 4 year ACE forecasting tournament !

Share your forecasts about current events. Track your accuracy, improve your judgment and learn about your biases in the process.

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