Short answer: Contracts pay out on yes/no event outcomes and their prices act like crowd probabilities. Availability depends on regulation where you live.
Investors Tell: This week's 3 biggest event-driven plays — explained, scored, paper-traded. Try it 29 days for $1, then $29/month.
Educational information only — not financial, investment, or trading advice. Investors Tell is not a registered investment adviser or broker-dealer, places no trades, and shows hypothetical paper results that do not predict future returns. Prediction markets may be restricted where you live.