📖 The ACX 2025 Prediction Contest Is Open!

The Astral Codex Ten Prediction Contest is back with an expanded $10,000 prize pool! Test your forecasting skills across geopolitics, technology, economics, and more with questions curated by Scott Alexander. Make your predictions by January 31 to compete.

🔭 The Bridgewater x Metaculus Forecasting Contest Goes Global — Feb 3

For the second year, Metaculus is teaming up with Bridgewater Associates to host a competition featuring $25k in prizes and potential opportunities with the asset management firm — and this year, forecasters from around the globe can compete.

Start here to register for the February 3rd competition, warm up on practice questions, and learn about the separate Open and Undergraduate leaderboards.

M

Group

If these countries detonate a nuclear weapon by 2050, what proportion of those detonations will be countervalue?

3
12
34 forecasters

Forecast Timeline

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Country25thmedian75th

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CDF

weight:
My Prediction
community
lower 25%
median
upper 75%
...
...
...
0.01956
0.08128
0.1987
Authors:
casens
Opened:
Closes:
Scheduled resolution:
Nuclear Risk Horizons Project
Geopolitics
Nuclear Technology & Risks
Military science
Ethics
China
Environmental science
India
Nuclear weapons testing
Peaceful nuclear explosion
Pakistan
Physics
Countervalue

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