Kalshi sues Missouri over state sports betting rules

Prediction market Kalshi filed a lawsuit against Missouri to block state gambling enforcement.

Written by the BettingEdgeHub desk, 30 October 2026

Kalshi filed a lawsuit against the Missouri Gaming Commission and state officials. The company argues that federal rules give exclusive oversight to the Commodity Futures Trading Commission. This legal battle follows similar actions taken against Louisiana over local gambling enforcement.

State officials demand compliance

Missouri Attorney General Catherine Hanaway sent cease and desist letters to prediction platforms. The state alleges these platforms offer illegal sports wagering without proper local licenses. Regulators set a deadline for platforms to comply or face legal action.

Federal versus state authority

Kalshi relies on the Commodity Exchange Act and the supremacy clause of the Constitution. The operator claims federal law overrides local rules for financial instruments and swaps. Missouri counters that event contracts are simply bets and must follow local gambling laws.

Utah adds criminal charges

Utah filed criminal charges against Kalshi and its cofounders for sports wagering violations. State officials want prediction markets to face the same licensing rules as traditional casinos. Local regulators insist that wagers on sports require proper state oversight and taxation.

What it means for a bet

Punters using prediction markets face growing uncertainty as states crack down on unlicensed sports betting.

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