Arizona AG Charges Kalshi With Illegal Gambling, Escalating State-Federal Clash Over Prediction Markets

Arizona Attorney General Kris Mayes filed criminal charges against prediction markets platform Kalshi on Tuesday, accusing the company of running an unlicensed gambling operation and accepting illegal election wagers from Arizona residents. The charges — 20 counts total against KalshiEx LLC and Kalshi Trading LLC — allege the platform took bets on a broad range of events, including contracts tied to the 2028 presidential race and the 2026 Arizona gubernatorial contest, in direct violation of state law.

Mayes made clear that Arizona prohibits both unlicensed wagering businesses and election betting outright, stating that rebranding such activity as a "prediction market" does not place it beyond the reach of state law. The filing also noted that Kalshi had preemptively sued Arizona on March 12, a move consistent with its recent litigation strategy against Iowa and Utah as the company seeks federal court protection from state enforcement actions.

The timing is significant. Just days before the charges were filed, the Commodity Futures Trading Commission issued new guidance asserting federal jurisdiction over event contracts, framing platforms like Kalshi as regulated derivatives exchanges rather than gambling operators. Kalshi has leaned heavily into this federal framework, arguing that a patchwork of conflicting state laws should not govern a nationally regulated financial exchange.

Courts across the country remain divided. While judges in Nevada and Massachusetts have sided with state regulators on sports-related contracts, a Tennessee federal court recently blocked state officials from enforcing a cease-and-desist against the company. In Ohio, a federal judge denied Kalshi's request for a preliminary injunction, reinforcing state authority in that jurisdiction.

The Arizona case is notable for targeting election-related contracts specifically, a dimension largely absent from prior legal battles. As federal and state regulators pull in opposite directions, Kalshi sits at the center of a rapidly intensifying legal and regulatory dispute with no clear resolution in sight.