An ad for the prediction market app Kalshi is displayed on a mobile phone Thursday, April 16, 2026, in Chicago. KEY POINTS The prediction market platform Kalshi sued Utah to block enforcement of its anti-gambling laws. A federal judged ruled that Utah law applies to the sports betting contracts Kalshi offers. A federal judge ruled Tuesday that Utah’s anti-gambling laws apply to sports betting contracts Kalshi offers on its prediction market platform. U.S. District Judge Robert J. Shelby concluded that the federal law Kalshi relied upon in the case does not preempt the state’s ability to enforce its statutes.