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Platform reviews

One page per platform. Each review covers who regulates it, what it charges, how you fund and withdraw, what you can trade, and where it is available. Every number is sourced from the platform's own rules or filings, with the date we last checked.

Best prediction market appsAll 14 US platforms in one table: who runs the exchange, what it costs, where it works, who it's for.
Kalshi reviewThe first CFTC-regulated prediction market. Fees, funding, legality and the rough edges.
Polymarket reviewThe world's biggest prediction market, now back in the US as a regulated app. What changed and what it costs.
Novig reviewSports only, 21+, free pre-game trades, 47 states. The newest regulated exchange, reviewed.
Robinhood prediction markets reviewKalshi's markets inside the Robinhood app, with Robinhood's commission on top. Worth it if you're already there.
Coinbase prediction markets reviewKalshi's contracts inside Coinbase, from $1 in USD or USDC, in all 50 states. Convenient, not cheaper.
FanDuel Predicts reviewFanDuel's separate app: CME-listed contracts, 2% of payout fee, sports only where its sportsbook can't operate.
DraftKings Predictions reviewStandalone app in 38 states, CME contracts now, DraftKings' own Railbird exchange later. Sports in CA, FL, GA, TX.
ProphetX reviewSports-only exchange with its own CFTC licence and clearinghouse. American odds, RFQ parlays, 2% of profit.
Underdog Predict reviewUnderdog's fantasy app with a real exchange underneath. 2¢ a contract, ~36 states, fantasy-style promos.
Crypto.com prediction markets reviewOwn CFTC licences, funded from your crypto, fees built into the price, eleven states excluded. Also behind OG.com.
Gemini Predictions reviewGemini's own CFTC exchange, live in all 50 states since December 2025. Same login as your crypto.
OG.com reviewCrypto.com's standalone prediction app: parlay builder, chat rooms, 2¢ per $1, not in NY or AZ.
Fanatics Markets reviewFanatics' 21+ prediction market in 22 states, contracts via Crypto.com's exchange, FanCash on every trade.
Plus500 prediction markets reviewKalshi's contracts in the Plus500 Futures app. Simple yes/no, no combos, 1¢ + 1¢ per contract.