Prediction markets are supposed to let people wager on elections, sports, and maybe the occasional economic statistic—not the apocalypse. But crypto betting platform Polymarket briefly hosted a market asking whether a nuclear weapon would detonate before the end of the year. The bet gained traction following tensions involving Iran, the United States, and Israel before quietly disappearing from the site. The episode raises uncomfortable questions about how far prediction markets should go when the thing being predicted could be a global catastrophe.

Polymarket Quietly Takes Down Bet On Nuclear Detonation