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Michigan judge blocks Kalshi from offering sports betting

Created at 29 Jun · 9:54 PM1 source↑ Market-relevant
IN SHORT

A Michigan judge has issued a temporary restraining order against prediction market operator Kalshi, prohibiting it from allowing residents to place financial bets on sporting events. The order stems from allegations that Kalshi is violating state gaming laws.

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Key Numbers

$120,000daily fine for non-compliance
March 3rd, 2026date civil action filed
2019year Michigan enacted Lawful Sports Betting Act
2018year Kalshi was co-founded
July 2021year Kalshi formally launched

Who's Involved

Rosemarie Aquilina
Ingham County Circuit Court Judge who issued the restraining order
Dana Nessel
Michigan Attorney General who filed the suit
KalshiEx, LLC
New York-based prediction market company facing lawsuit
Michigan Gaming Control Board (MGCB)
State agency involved in the enforcement action
Michigan judge blocks Kalshi from offering sports betting

↳ Why This Matters

The ruling highlights the ongoing regulatory scrutiny of prediction markets and their potential classification as illegal gambling, posing a significant legal and financial risk to operators like Kalshi and potentially impacting the broader market for event-based contracts.

Key facts

  • A Michigan judge issued a temporary restraining order blocking Kalshi from allowing residents to place financial bets on sporting events.
  • The order was issued at the request of Michigan Attorney General Dana Nessel.
  • Nessel accused Kalshi of violating state gaming laws, including the Lawful Sports Betting Act.
  • Kalshi faces a potential fine of $120,000 per day for failing to comply with geolocation requirements.
  • The lawsuit argues that Kalshi's sports event contracts meet the definition of sports betting under Michigan law.

A Michigan judge has blocked prediction market operator Kalshi from allowing state residents to place financial bets on sporting events, citing violations of state gaming law. Ingham County Circuit Court Judge Rosemarie Aquilina issued a temporary restraining order at the request of Michigan Attorney General Dana Nessel.

Nessel's office filed a civil enforcement action against Kalshi, alleging the company operates an unlicensed internet sports betting platform in violation of Michigan's Lawful Sports Betting Act, the Michigan Gaming Act, and the Michigan Penal Code. The lawsuit argues that Kalshi's sports event contracts, such as point spread bets, over/under wagers, and proposition bets, meet the statutory definition of sports betting under Michigan law.

Kalshi, founded in 2018 and launched in 2021, initially offered event contracts on macroeconomic topics before expanding into political and sports-related contracts. The company's model involves users purchasing "Yes" or "No" positions on whether a particular event will occur, with prices fluctuating based on aggregate user sentiment.

Under the Lawful Sports Betting Act, internet sports betting in Michigan can only be conducted by licensed operators, and Kalshi is ineligible to apply for such a license. The judge warned that Kalshi could face a $120,000 fine for each day it fails to comply with the order's geolocation requirements.

Frequently asked questions

Kalshi is a prediction market operator that allows users to place financial bets on the outcome of future events, including macroeconomic topics, political events, and sports.

The Attorney General alleges that Kalshi is operating an unlicensed internet sports betting platform in violation of Michigan's gaming laws, including the Lawful Sports Betting Act.

Judge Rosemarie Aquilina stated that Kalshi could be fined $120,000 for each day it does not comply with the geolocation requirements imposed by the court's order.

A prediction market is a platform where users can trade contracts whose payout depends on the occurrence of specific future events. Prices fluctuate based on collective user sentiment about the likelihood of those events.

What Happens Next

01Kalshi must comply with the geolocation requirements of the restraining order.
02The court may issue a permanent injunction and order of abatement against Kalshi.
03Further legal proceedings will determine the long-term status of Kalshi's operations in Michigan.

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Cadence

How It Developed

Michigan Attorney General Dana Nessel filed a civil enforcement action against KalshiEx, LLC.
The lawsuit alleges Kalshi is operating an unlicensed internet sports betting platform in violation of state laws.
Ingham County Circuit Court Judge Rosemarie Aquilina issued a temporary restraining order against Kalshi.
The judge stated Kalshi could be fined $120,000 per day for non-compliance with geolocation requirements.

Sources

T1
Michigan judge blocks Kalshi from allowing residents to place sports betsReuters
T2
Michigan Judge Halts Kalshi's Sports Betting | Law-Orderdevdiscourse.com
T2
Michigan Attorney General Files Suit Against Kalshi for Alleged ...sportslitigationalert.com

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