Is Polymarket legal in California?
Last updated · how we verify
Yes — Polymarket US operates in California under its federal CFTC designation, and California has not taken public action against prediction markets. Polymarket US is the CFTC-regulated venue Americans use; the international exchange blocks US IP addresses entirely.
Status: No state action reported · Regulator: California Gambling Control Commission · Verified 17 August 2026
What California has done
Nothing publicly, so far. California is not among the 7 states in active litigation with prediction-market operators, and the California Gambling Control Commission has not issued a publicly reported cease-and-desist.
California has repeatedly failed to legalise online sports betting, which makes federally regulated event contracts unusually relevant to Californian traders. The state has not issued a cease-and-desist to Polymarket.
The federal picture, briefly
Polymarket US lists event contracts on QCX LLC, a CFTC-designated contract market (DCM) with affiliated derivatives clearing organization (DCO). Polymarket acquired that licence by buying QCEX for $112 million in July 2025, reopened to US traders on 2 December 2025, and removed the iOS waitlist on 12 May 2026.
Operators and the CFTC argue the Commodity Exchange Act gives the CFTC exclusive jurisdiction over federally designated contract markets, pre-empting state gambling statutes. Several district courts have accepted that argument at the preliminary-injunction stage. No final appellate resolution as of August 2026.
Roughly roughly 43 of 50 states currently offer full-menu access to CFTC-regulated prediction markets.
Why this matters in California
California has no legal sportsbook at all. That absence is the reason prediction-market access is a live question here: for many California residents, CFTC-regulated event contracts are one of the very few legal ways to take a position on a real-world outcome.
Sports-betting status is included as background only. It is not legal advice, it changes, and it does not determine whether Polymarket US is available to you. Confirm with the California Gambling Control Commission and inside the app.
How access actually works
Two different venues, and the distinction matters more than anything else on this page:
- Polymarket US — the CFTC-regulated exchange. This is what US residents use. Available — no waitlist on iOS; Android is still rolling out behind a waitlist; there is no full web platform for US users yet. See app availability.
- The international exchange — non-custodial, settles in USDC on Polygon, and blocks US IP addresses. It is not an option from inside California, with or without a workaround, and attempting one breaches its terms.
Not available to US residents — the international exchange geoblocks US IP addresses.
You appear to be in the US. Polymarket’s international exchange blocks US IP addresses — use Polymarket US, the CFTC-regulated exchange, instead. See what’s available in your state.
California questions
Can I use Polymarket in California right now?
Polymarket US operates nationally under its CFTC designation, so it is generally available in California. No state action has been reported. The international Polymarket exchange is a separate venue and blocks US IP addresses entirely.
Is trading on Polymarket a crime in California?
We are not aware of any California law that makes placing a trade on a CFTC-regulated event contract a criminal offence for an individual. State enforcement in this area has been aimed at operators, not customers. This is not legal advice; if the stakes matter to you, take advice locally.
Which regulator oversees this in California?
Gambling in California is overseen by the California Gambling Control Commission. Polymarket US, however, is regulated federally by the CFTC as a designated contract market — which is the source of the entire dispute: two regulators, two different classifications of the same product.
What are the alternatives in California?
Kalshi is the other main CFTC-regulated venue and faces the same state-by-state disputes. PredictIt operates with a much narrower political-only market list. California has no licensed sportsbook, so there is no local regulated alternative to compare against. See our comparison of the alternatives.
Check another state
Polymarket in Delaware
No state action reported. Regulator: Delaware Division of Gaming Enforcement.
Polymarket in District of Columbia
No state action reported. Regulator: DC Office of Lottery and Gaming.
Polymarket in Florida
No state action reported. Regulator: Florida Gaming Control Commission.
Polymarket in Georgia
No state action reported. Regulator: Georgia Lottery Corporation (no dedicated gaming commission).