CFTC-regulated US prediction market (event contracts) on real-world outcomes.
Best for: Event contracts (US)

Social prediction market using play money (mana) that can't be converted to cash; open worldwide.
Prices and features change; always confirm on the official site. Educational, not financial advice.
CFTC-regulated US prediction market (event contracts) on real-world outcomes.
Best for: Event contracts (US)
Crypto-based prediction market on news, politics and sports. Polymarket.com is blocked for US residents (US users: separate Polymarket US app) and restricted in many countries.
Best for: Event odds and markets
US political prediction market operating under CFTC no-action relief; $3,500 per-contract limit.
Best for: Trading US politics outcomes