What is Polymarket?
Key Takeaways Polymarket is a decentralised prediction market on Polygon where users trade "Yes" or "No" shares in real-world events using USDC, with the share price acting as the market-implied probability. Trading is non-custodial, no KYC is required on the main international platform, and outcomes are settled on-chain through UMA's Optimistic Oracle. It has become one of the most-watched signals in politics, sports, and crypto, and following a CFTC settlement and the QCEX acquisition has reopened a regulated U.S.