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Sports betting and prediction markets in California

Last verified: 2026-09-14 · Editorial owner: compliance desk

Licensed sportsbooks

None of the 6 sportsbook-category platforms and 2 of the 3 DFS/sweeps platforms we cover operate in California. Sportsbooks are licensed by the state and carry a 21 minimum; DFS and sweepstakes platforms operate under different rules and may admit players at 18. No state-licensed sports wagering. CFTC-regulated exchanges and DFS/sweeps platforms remain available.

DraftKings, not available in CaliforniaFanDuel, not available in CaliforniaBetMGM, not available in CaliforniaCaesars, not available in CaliforniaFanatics, not available in CaliforniaRebet, not available in California

DFS / sweeps

UnderdogSleeperOnyx, not available in California

Prediction markets

Event contracts are regulated federally by the CFTC rather than state by state, so a CFTC-designated exchange can be available where no state sportsbook licence exists. Availability still varies: individual exchanges apply their own geofences, and pending litigation has changed access in several states at short notice.

All 4 prediction markets we cover, Kalshi, Polymarket, ProphetX, OG Markets, are accessible from California in our coverage as of the verification date above.

KalshiPolymarketProphetXOG Markets
Availability changes quickly, especially for prediction markets. Confirm directly with the platform before signing up.