Have an opinion about the S&P 500’s closing price at the end of 2025? Or whether Treasury note yields will hit 5% this year? Prediction markets give you the chance to put money on those event outcomes and earn payouts for being right. Learn how prediction markets work, what the risks are, and which platforms are available in the U.S. Learn more: How to start investing: A 6-step guide Prediction market basics Prediction markets are exchanges where people can bet on event outcomes. The bets are usually ...