Has Wisconsin sued Polymarket US or ordered it to stop?

Yes. April 23, 2026: Attorney General Kaul filed three Dane County suits alleging that sports event contracts violate Wis. Stat. 945.03(1m) and create a public nuisance, seeking declarations and injunctions.

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

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

Is sports betting legal in Wisconsin?

Retail only. Retail sports betting at tribal casinos; a law signed April 9, 2026 authorizes tribal mobile betting, but no launch date is set.

Which court will decide whether Wisconsin can regulate Polymarket US?

Federal appeals from Wisconsin go to the Seventh Circuit, where an appeal on the question is pending. 3 petitions now ask the U.S. Supreme Court to settle the question nationally.

WI · Polymarket US · Checked Oct. 21, 2026

Is Polymarket US legal in Wisconsin?

No restriction found Wisconsin: In litigation

The short answer

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 Wisconsin as of Oct. 22, 2026.

Wisconsin has 2 public actions on record that name Polymarket US. The latest (regulator guidance, July 9, 2026): The Wisconsin Elections Commission approved a staff memo concluding that election contracts likely count as wagers under Wis. Stat. 6.03(2), which can disqualify a voter from voting in that election.

Federal appeals from Wisconsin go to the Seventh Circuit, where an appeal on the question is pending.

Availability: Polymarket App Terms & Conditions (ISV Front End), effective October 22, 2026 (embedded at polymarket.us/tos), checked Oct. 22, 2026. A summary of public actions, not legal advice.

Follow Wisconsin

Cite this page

Bluebook

Is Polymarket US Legal in Wisconsin?, Prediction Market Laws (last updated Oct. 22, 2026), https://predictionmarketlaws.com/platforms/polymarket/wisconsin.

APA

Prediction Market Laws. (2026, October 22). Is Polymarket US Legal in Wisconsin?. https://predictionmarketlaws.com/platforms/polymarket/wisconsin

What Wisconsin has done about Polymarket US

July 9, 2026
Regulator guidance
The Wisconsin Elections Commission approved a staff memo concluding that election contracts likely count as wagers under Wis. Stat. 6.03(2), which can disqualify a voter from voting in that election.
Source: Gambling Insider
April 23, 2026
State lawsuit
Attorney General Kaul filed three Dane County suits alleging that sports event contracts violate Wis. Stat. 945.03(1m) and create a public nuisance, seeking declarations and injunctions.
Source: Wisconsin Department of Justice

All 11 actions in Wisconsin

Court cases

United States v. State of WisconsinU.S. District Court for the Eastern District of Wisconsin, 2:26-cv-00749On appeal
State of Wisconsin v. QCX, LLCU.S. District Court for the Western District of Wisconsin (removed from Dane County Circuit Court, No. 2026CV001285), 3:26-cv-00375Pending

The legal backdrop in Wisconsin

State status: In litigationThe state and a prediction market operator are actively in court, and no order blocking the operator is in force.
Online sports betting: Retail onlyRetail sports betting at tribal casinos; a law signed April 9, 2026 authorizes tribal mobile betting, but no launch date is set.
Federal appeals court: Seventh CircuitAppeal pending.
Who regulates: Wisconsin Department of Justice; Wisconsin Department of Administration, Division of Gaming; Wisconsin Elections Commission
Laws and bills: None specific to prediction markets

Using Polymarket US in Wisconsin

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 Wisconsin

KalshiNo restriction found
Polymarket USNo restriction found
Gemini PredictionsNo restriction found
RobinhoodNo restriction found
Crypto.comNo restriction found
CoinbaseNo restriction found
WebullNo restriction found
DraftKings PredictionsSports blocked
FanDuel PredictsOffered
UnderdogOffered
PrizePicksOffered
Fanatics MarketsNot offered

Questions people ask

Is Polymarket US legal in Wisconsin?: 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 Wisconsin as of Oct. 22, 2026. Wisconsin has 2 public actions on record that name Polymarket US. The latest (regulator guidance, July 9, 2026): The Wisconsin Elections Commission approved a staff memo concluding that election contracts likely count as wagers under Wis. Stat. 6.03(2), which can disqualify a voter from voting in that election. This summarises public actions; it is not legal advice.
Has Wisconsin sued Polymarket US or ordered it to stop?: Yes. April 23, 2026: Attorney General Kaul filed three Dane County suits alleging that sports event contracts violate Wis. Stat. 945.03(1m) and create a public nuisance, seeking declarations and injunctions.
How old do you have to be to use Polymarket US in Wisconsin?: 18. That is Polymarket US's minimum age, and it lists no different rule for Wisconsin.
Is sports betting legal in Wisconsin?: Retail only. Retail sports betting at tribal casinos; a law signed April 9, 2026 authorizes tribal mobile betting, but no launch date is set.
Which court will decide whether Wisconsin can regulate Polymarket US?: Federal appeals from Wisconsin go to the Seventh Circuit, where an appeal on the question is pending. 3 petitions now ask the U.S. Supreme Court to settle the question nationally.