DOJ, CFTC Block Arizona’s Move Against Kalshi in Pivotal Prediction Markets Clash
The legal battle over Kalshi's prediction markets reached a critical juncture as federal agencies intervened to challenge Arizona's enforcement action. On April 9, 2026, the Department of Justice and Commodity Futures Trading Commission filed a motion asserting exclusive jurisdiction over Kalshi's event contracts, which they classify as swaps under the Commodity Exchange Act.
Arizona's attempt to prosecute Kalshi under state gambling laws now faces a federal preemption challenge. The CFTC maintains prediction markets fall squarely within its regulatory purview, while Kalshi CEO Tarek Mansour decries the state's action as regulatory overreach. This case may establish precedent for whether innovative financial instruments belong under derivatives regulation or traditional gaming statutes.
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