Good Judgment® Open
Join The Economist's The World in 2017 forecasting challenge to test your ability to predict the political, economic, and cultural events featured in the annual compilation of predictions.
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Start keeping score.
Are you a Superforecaster®? Can you predict the future better than the pundits in the media? Put your probability where you mouth is and join Good Judgment Open, the only site for those who are serious about forecasting.
GJ Open is more than a game. It’s the best possible place to hone your forecasting skills. We’ve designed GJ Open specifically to help you improve your forecasting abilities. Make a forecast, explain your reasoning (and be challenged by others), and find out how you stack up against the crowd.
From the future of US politics to international affairs, from technology to sports and entertainment, there's bound to be something in your wheelhouse.
Survey the wisdom of the crowd
Sponsor a question or an entire challenge on GJ Open to spark discussion and survey the crowd’s opinion of the future.
Better forecasts | Better decisions
Systematically improve your organization's forecasting to better manage strategic uncertainty.