Polymarket 8.5 /10 Traders comfortable with wallets, USDC.e, and fast-moving event markets Strong activity on major political, crypto, and breaking-news markets Fast crypto-native trading flow with wallet-based access Exits before resolution are often possible in active markets Visit Website Read Review Kalshi 8.0 /10 U.S.-first traders who want regulated event markets Regulated U.S. prediction market Strong depth in major markets API and historical data access Visit Website Read Review OG 7.0 /10 U.S. sports traders who want regulated event contracts and simple USD funding CFTC-regulated U.S. sports event contracts through CDNA Sports-focused product with chat, leaderboard, and parlays Easy USD funding across bank, card, PayPal, and mobile wallets Visit Website Read Review Robinhood 7.0 /10 Existing Robinhood users who want mobile-first access to real-money event contracts Built into the main Robinhood app, so existing users can fund and trade without leaving their brokerage workflow Real-money event contracts offered through Robinhood Derivatives and partner CFTC-regulated exchanges Lets you close positions before resolution instead of forcing you to hold every trade to final payout Visit Website Read Review Coinbase Prediction Markets 6.5 /10 Coinbase users in the U.S. who want regulated prediction markets in one account Built into the main Coinbase account experience Fund with USD or USDC and sell early on open markets Offered through CFTC-registered, NFA-member Coinbase Financial Markets Visit Website Read Review Fanatics Markets 6.0 /10 U.S. sports-first users who want regulated event trading with normal payment rails Mainstream, sports-led entry point into regulated event trading Easy USD funding with ACH, debit card, Apple Pay, and wire support Early exit is supported, but only for the full position Visit Website Read Review