A Michigan district court has extended the ban on prediction market Kalshi through the end of proceedings. Judge Rosemarie Aquilina issued a preliminary injunction on 1 September, prohibiting Kalshi from offering sports event contracts to state residents.
The company is barred from advertising or promoting its products in Michigan. Kalshi must use a licensed geolocation provider approved by the Michigan Gaming Control Board. Breaching geofencing requirements triggers a $500,000 daily penalty.
The court pointed to the age-restriction gap: Michigan permits sports betting from 21, Kalshi from 18. Aquilina called the platform "a wagering operation masquerading as an investment opportunity." She noted Kalshi operates outside the regulated market, bypassing player-protection requirements and gaining an edge over licensed operators.
Attorney General Dana Nessel sued Kalshi in March over unlicensed sports betting. The court found Kalshi's operation harms state revenue—gaming taxes fund schools, problem-gambling programmes, economic development and emergency services. Detroit directs those funds to police, youth programmes and infrastructure. The ruling separately cited tribal interests: Kalshi deprives tribes of income needed for reservation governance and social services.
Michigan is the third state to secure an injunction against Kalshi. Similar bans apply in Nevada and Washington. The platform has implemented geoblocking for sports, election and other event contracts in those jurisdictions.
