Judge rules Utah can enforce anti-gambling law on Kalshi

A federal judge has ruled that Utah may enforce its strict antigambling laws against the prediction market platform Kalshi, delivering a significant victory for state officials who view such platforms as illegal gambling operations. U.S. District Judge Robert Shelby issued the ruling on Tuesday, August 4, 2026, rejecting Kalshi's request for an injunction to block the state's restrictions.

The decision centers on a legal dispute over whether federal financial regulations preempt state gambling laws. Kalshi, which is based in New York and registered with the federal Commodity Futures Trading Commission (CFTC), had sued Utah in February 2026. The company argued that its event contracts, which allow users to wager on future outcomes, are financial derivatives under exclusive federal jurisdiction and therefore shielded from state gambling prohibitions.

Judge Shelby disagreed, finding that federal law does not prevent Utah from enforcing its own statutes. In his ruling, he stated that enforcement of state gambling laws is not inconsistent with the CFTC's regulatory oversight. He cited longstanding congressional support for state authority over gambling and prior Supreme Court rulings...