Polymarket US: CFTC-licensed exchange acquired as QCX for $112 million; cleared to launch in the US in September 2025. It states it accepts 49 of 51 jurisdictions. Restricted or barred in Nevada. 10 states have taken action against it.
Where Polymarket is restricted or contested
What the law says
2 OCT 2026Ohio: Ohio Casino Control Commission sent PM US Tech (QC Tech LLC), Polymarket US, a cease and desist letter on sports event contracts, 14 days to confirm compliance. ingame.com ↗
24 SEP 2026New York: New York AG James and Gov. Hochul announced a lawsuit against QCX LLC d/b/a Polymarket US for running an illegal, unlicensed gambling operation. ag.ny.gov ↗
16 SEP 2026Missouri: Missouri AG Hanaway sent a cease and desist letter to QCX LLC (Polymarket) over unlicensed sports wagering in Missouri. ago.mo.gov ↗
10 SEP 2026Connecticut: Connecticut DCP issued nine cease and desist orders, incl. Polymarket, Robinhood and Novig, announced 10 Sep 2026; orders issued that week. portal.ct.gov ↗
8 SEP 2026Wisconsin: E.D. Wis. (Judge Griesbach) stayed and administratively closed US v. Wisconsin pending decisions on appeals (docket text, doc 72). courtlistener.com ↗
28 JUL 2026Wisconsin: E.D. Wis. (Judge Griesbach) denied the CFTC's motion for a preliminary injunction against Wisconsin enforcing gambling law against five sports event contract venues; also denied intervention. storage.courtlistener.com ↗
27 JUL 2026Minnesota: D. Minn. (Judge Menendez) granted Kalshi, Polymarket US and CFTC preliminary injunctions barring Minnesota from enforcing Minn. Stat. 609.7615 against CFTC-registered DCMs. storage.courtlistener.com ↗
23 JUN 2026Kentucky: CFTC and DOJ sued Kentucky in E.D. Ky. (US v. Kentucky, 3:26-cv-00049-SCM), CFTC release 9260-26, after Kentucky filed state-court actions on 17 Jun 2026. cftc.gov ↗
17 JUN 2026Kentucky: Kentucky filed enforcement actions in Franklin Circuit Court (26-CI-00689 vs Kalshi; 26-CI-00696 vs QCX/Polymarket) per the CFTC complaint. cftc.gov ↗
29 MAY 2026Nevada: Nevada state court preliminarily enjoined Polymarket from offering prohibited event contracts in Nevada. gaming.nv.gov ↗
28 MAY 2026Rhode Island: CFTC and DOJ moved to intervene in KalshiEX LLC v. Furcolo, 1:26-cv-00327 (D.R.I.) with a proposed complaint against Rhode Island, CFTC release 9238-26. cftc.gov ↗
21 MAY 2026Rhode Island: Rhode Island filed an enforcement action in Providence County Superior Court against KalshiEX and QCX (Polymarket), per the CFTC proposed complaint. cftc.gov ↗
19 MAY 2026Minnesota: CFTC and DOJ sued Minnesota in D. Minn. (US v. Minnesota, 0:26-cv-02661), CFTC release 9233-26, to block a state law criminalizing prediction markets. cftc.gov ↗
28 APR 2026Wisconsin: CFTC and DOJ sued Wisconsin in E.D. Wis. (US v. Wisconsin, 2:26-cv-00749), CFTC release 9220-26, after Wisconsin sued five prediction markets. cftc.gov ↗
23 APR 2026Wisconsin: Wisconsin DOJ announced lawsuits against Kalshi, Robinhood, Coinbase, Polymarket, Crypto.com and affiliates over alleged illegal sports betting via event contracts. wisdoj.gov ↗
2 APR 2026Illinois: CFTC and DOJ sued Illinois in N.D. Ill. (US v. Illinois, 1:26-cv-03659), CFTC release 9206-26, over cease-and-desist letters to three DCMs. cftc.gov ↗
29 JAN 2026Nevada: Nevada state court issued a temporary restraining order barring Polymarket from offering prohibited event contracts. gaming.nv.gov ↗
27 JAN 2026Illinois: Illinois Gaming Board sent a cease and desist letter to QCX LLC d/b/a Polymarket US for suspected unlicensed sports wagering. igb.illinois.gov ↗
16 JAN 2026Nevada: Nevada Gaming Control Board filed an enforcement action against Polymarket in state court. gaming.nv.gov ↗
