Arizona accuses Kalshi of operating illegal gambling business

Arizona authorities have filed 20 criminal charges against Kalshi, a prediction market provider, alleging it operated an illegal gambling business by accepting bets from state residents. This marks the first state-level criminal prosecution against the company, which has faced mounting regulatory scrutiny over whether its prediction market activities constitute unlicensed gambling. The case strikes at a core legal question: whether Kalshi's betting platform—which allows users to wager on outcomes of elections, economic events, and other events—falls under gambling laws or operates in a legal gray zone. Kalshi has previously argued its markets serve legitimate price-discovery purposes and are distinct from traditional gambling, positioning this Arizona action as a critical test of that defense. The charges could force a reckoning over how U.S. states regulate the growing prediction market industry.