Has Wisconsin sued Kalshi or ordered it to stop?

Yes. May 11, 2026: In the Ho-Chunk case, Judge William Conley denied a preliminary injunction for lack of irreparable harm but let the tribe's Indian Gaming Regulatory Act claim proceed, finding it likely to succeed. 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 Kalshi in Wisconsin?

18. That is Kalshi'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 Kalshi?

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 · Kalshi · Checked Oct. 21, 2026

Is Kalshi legal in Wisconsin?

No restriction found Wisconsin: In litigation

The short answer

Kalshi does not publish a list of states where it is unavailable, and we found no court order, regulator action or Kalshi notice that stops it from serving Wisconsin as of Oct. 22, 2026.

Wisconsin has 6 public actions on record that name Kalshi. The latest (tribal action, Sept. 21, 2026): After Judge Conley certified his Ho-Chunk ruling for interlocutory appeal, Kalshi petitioned the Seventh Circuit for permission to appeal under 28 U.S.C. 1292(b) (No. 26-8020); no ruling on the petition was found.

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

Availability: Kalshi Help Center: Signing Up as an Individual (updated March 10, 2026), checked Oct. 22, 2026. A summary of public actions, not legal advice.

Follow Wisconsin

Cite this page

Bluebook

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

APA

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

What Wisconsin has done about Kalshi

Sept. 21, 2026
Tribal action
After Judge Conley certified his Ho-Chunk ruling for interlocutory appeal, Kalshi petitioned the Seventh Circuit for permission to appeal under 28 U.S.C. 1292(b) (No. 26-8020); no ruling on the petition was found.
Source: Justia Dockets (7th Cir. No. 26-8020)
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
May 11, 2026
Court order
In the Ho-Chunk case, Judge William Conley denied a preliminary injunction for lack of irreparable harm but let the tribe's Indian Gaming Regulatory Act claim proceed, finding it likely to succeed.
Source: Courthouse News Service
April 24, 2026
Other development
Defendants removed the state's case to the Western District of Wisconsin; the Polymarket and Crypto.com cases were also removed.
Source: CoinStats prediction market legal tracker
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
Aug. 20, 2025
Tribal action
The Ho-Chunk Nation sued Kalshi and Robinhood in the Western District of Wisconsin, alleging that sports event contracts amount to unauthorized Class III gaming on tribal lands, with additional Lanham Act and RICO claims.
Source: CoinStats prediction market legal tracker

All 11 actions in Wisconsin

Court cases

USA v. State of WisconsinU.S. Court of Appeals for the Seventh Circuit, 26-2636; 26-2675; 26-2696Pending
United States v. State of WisconsinU.S. District Court for the Eastern District of Wisconsin, 2:26-cv-00749On appeal
State of Wisconsin v. Kalshi, Inc.U.S. District Court for the Western District of Wisconsin (removed from Dane County Circuit Court, No. 26-CV-1284), 3:26-cv-00378Pending
Ho-Chunk Nation v. Kalshi Inc., et al.U.S. District Court for the Western District of Wisconsin, 3:25-cv-00698 (W.D. Wis.); 26-8020 (7th Cir., petition for permission to appeal)Injunction denied

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 Kalshi in Wisconsin

Minimum age: 18
Identity checks: Kalshi requires legal name, date of birth and a residential address (no commercial addresses or PO boxes) that match a government ID. It asks for a live in-app photo of a driver's license or passport. It may also ask for proof of address, employment information or source of funds. It may request a Social Security number at any point after signup, which it uses for identity verification and tax reporting; an SSN is not required to deposit. (Help articles updated June 30 and August 25, 2026.) Source
Tax forms: Kalshi says users who meet IRS reporting thresholds get Form 1099-INT (interest), 1099-MISC (credits and rewards), 1099-B (proceeds from crypto transfers) and 1099-DA (digital asset reporting from ZeroHash). The forms appear under Tax Info in the Account tab, and some are emailed through Zenwork. Kalshi gives no dollar thresholds or issue dates. Trading profit-and-loss statements are in the documents tab (help article updated June 22, 2026). SourceWhat the platform says it reports; not tax advice.

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 Kalshi legal in Wisconsin?: Kalshi does not publish a list of states where it is unavailable, and we found no court order, regulator action or Kalshi notice that stops it from serving Wisconsin as of Oct. 22, 2026. Wisconsin has 6 public actions on record that name Kalshi. The latest (tribal action, Sept. 21, 2026): After Judge Conley certified his Ho-Chunk ruling for interlocutory appeal, Kalshi petitioned the Seventh Circuit for permission to appeal under 28 U.S.C. 1292(b) (No. 26-8020); no ruling on the petition was found. This summarises public actions; it is not legal advice.
Has Wisconsin sued Kalshi or ordered it to stop?: Yes. May 11, 2026: In the Ho-Chunk case, Judge William Conley denied a preliminary injunction for lack of irreparable harm but let the tribe's Indian Gaming Regulatory Act claim proceed, finding it likely to succeed. 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 Kalshi in Wisconsin?: 18. That is Kalshi'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 Kalshi?: 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.