Every year, the Supreme Court of the United States makes decisions that have far-reaching implications for US law, politics and society. The cases on the docket ...

This GJO hosted HFC Challenge 'pre-season' has concluded.

The official Hybrid Forecasting Competition is underway! All registrants having completed registrati...

The auto industry is in the midst of a dramatic transformation: from total reliance on internal combustion engines to growing acceptance of electric and hybrid el...

The 2017-2018 Early Warning Project forecasting challenge has concluded. Click h...

The CFA Society Los Angeles challenges you to forecast the most important financial and economic indicators and events affecting the world, the U.S., and Los Ange...

Can you predict who will take home Oscar gold this year? Join our lightning challenge to forecast the winners of 11 major categories.

The

The Washington Post's Monkey Cage blog wants to know:
What will President T...

Test your forecasting skills on a wide range of questions about today's most pressing geopolitical issues.

This challenge features questions like those asked ...

If it's in the news, it's on GJ Open. Forecast on questions about politics, business, technology, sports, entertainment, and anything else trending in the media.

Are you a Superforecaster^®?

What do you think will happen in the year 2017? Here's your chance to make a forecast.

Join The Economist's Th...

What will the state of the world be in 2017? The Arab Strategy Forum is collaborating with Good Judgment, Inc. to launch a forecasting challenge about the future ...

Innovation in automaking has historically been driven by a handful of large and storied automakers. However, recent technological developments promising to accele...

Help inform policymakers and NGOs on the risk of mass killing in countries around the world.

The Early Warning Project produces risk assessments of the potenti...

The 2016 election cycle has confounded political observers and even a few of the candidates as well. This is where you come in.

We'll start the Challenge off w...

Questions about political, economic and other events for 2016. This Challenge will test the forecasting prowess of readers of The Economist's annual compi...

So You Think You're Smarter Than...

Forecasting can be Fun! Want a break from war, economics, and electoral politics? Test your predictive abilities on a range of questions about sports, entertainme...

Philip Tetlock and Peter Scoblic argue that asking falsifiable questions and forecasting on them has the potential to moderate polarizing policy debates because a...