Is Polymarket US legal in Michigan?

What Michigan has done about Polymarket US

1. June 17, 2026

   Court order

   The Western District of Michigan denied preliminary injunctions to Polymarket and Robinhood; both appealed to the Sixth Circuit (Nos. 26-1552 and 26-1542).

   Source: Ohio et al. amicus brief, U.S. Supreme Court No. 26-299

2. March 4, 2026

   Operator lawsuit

   Polymarket (QCX) and Robinhood each sued the attorney general in federal court in the Western District of Michigan, seeking to block state enforcement.

   Source: Prediction Market Litigation Tracker (mickbransfield.com)

All 12 actions in Michigan

Court cases

• QCX, LLC v. NesselU.S. Court of Appeals for the Sixth Circuit, 26-1552Pending
• QCX, LLC v. NesselU.S. District Court for the Western District of Michigan, 1:26-cv-00710Injunction denied

The legal backdrop in Michigan

State status

Court order in forceA court order currently bars at least one CFTC-regulated prediction market from offering some contracts, usually sports, to people in the state.

Online sports betting

Legal onlineRetail and mobile sports betting; mobile launched Jan. 22, 2021.

Federal appeals court

Sixth CircuitRuled for the states.

Who regulates

Michigan Gaming Control Board; Michigan Attorney General

Laws and bills

None specific to prediction markets

Using Polymarket US in Michigan

Minimum age

18

Identity checks

Polymarket US requires date of birth, a phone number confirmed by text code, legal name, residential address and Social Security number. Most users are verified automatically; others may be asked for a government-issued ID and a selfie check. KYC must be completed before depositing or trading, and the terms require KYC, AML and sanctions screening. Source

Other platforms in Michigan

• KalshiSports blocked
• Polymarket USNo restriction found
• Gemini PredictionsNo restriction found
• RobinhoodSports blocked
• Crypto.comNo restriction found
• CoinbaseSports blocked
• WebullNo restriction found
• DraftKings PredictionsSports blocked
• FanDuel PredictsSports blocked
• UnderdogNot offered
• PrizePicksSports blocked
• Fanatics MarketsNot offered

Questions people ask

Is Polymarket US legal in Michigan?

Polymarket US does not publish a list of states where it is unavailable, and we found no court order, regulator action or Polymarket US notice that stops it from serving Michigan as of Oct. 22, 2026. Michigan has 2 public actions on record that name Polymarket US. The latest (court order, June 17, 2026): The Western District of Michigan denied preliminary injunctions to Polymarket and Robinhood; both appealed to the Sixth Circuit (Nos. 26-1552 and 26-1542). This summarises public actions; it is not legal advice.

Has Michigan sued Polymarket US or ordered it to stop?

Yes. June 17, 2026: The Western District of Michigan denied preliminary injunctions to Polymarket and Robinhood; both appealed to the Sixth Circuit (Nos. 26-1552 and 26-1542).

How old do you have to be to use Polymarket US in Michigan?

18. That is Polymarket US's minimum age, and it lists no different rule for Michigan.

Is sports betting legal in Michigan?

Legal online. Retail and mobile sports betting; mobile launched Jan. 22, 2021.

Which court will decide whether Michigan can regulate Polymarket US?

Federal appeals from Michigan go to the Sixth Circuit, which ruled for the states on Sept. 25, 2026. 3 petitions now ask the U.S. Supreme Court to settle the question nationally.

Sources

1. Polymarket App Terms & Conditions (ISV Front End), effective October 22, 2026 (embedded at polymarket.us/tos)
2. Ohio et al. amicus brief, U.S. Supreme Court No. 26-299
3. Prediction Market Litigation Tracker (mickbransfield.com)
4. Michigan sports betting status