Compare prediction market platforms
Last reviewed 2026-08-07
At a glance
Side-by-side comparisons of Kalshi, Polymarket, Robinhood, Rebet and PredictIt on fees, regulation, state availability, deposits and payout speed.
Every head-to-head below reads from one shared fact sheet — fees, college market depth, apps, deposits, and state availability — so the numbers stay consistent across the site.
Kalshi vs PolymarketThe CFTC-regulated exchange — the safest on-ramp for US traders.Kalshi vs RobinhoodThe CFTC-regulated exchange — the safest on-ramp for US traders.Polymarket vs RobinhoodZero trading fees and the widest college market menu, settled in USDC.Kalshi vs RebetThe CFTC-regulated exchange — the safest on-ramp for US traders.Polymarket vs RebetZero trading fees and the widest college market menu, settled in USDC.Kalshi vs PredictItThe CFTC-regulated exchange — the safest on-ramp for US traders.Polymarket vs PredictItZero trading fees and the widest college market menu, settled in USDC.Rebet vs RobinhoodMobile-first social app — peer-to-peer picks with a friends layer.
Sources & further reading
- CFTC — Designated Contract Markets (DCMs)U.S. Commodity Futures Trading Commission
- Kalshi Rulebook and exchange rulesKalshi (KalshiEX LLC)
- Polymarket Terms of Use — eligibility and restrictionsPolymarket