Federal Court Halts Arizona's Gambling Enforcement Against Kalshi

Judge Michael Liburdi of the US District Court for the District of Arizona has issued a temporary restraining order preventing state authorities from pursuing civil or criminal enforcement against Kalshi. The decision follows a request from the Commodity Futures Trading Commission (CFTC) and the federal government to halt state-level actions targeting contracts listed on CFTC-regulated markets. The legal dispute centers on the classification of "event contracts." While Arizona officials argued these products constitute unlicensed gambling under local statutes, the CFTC maintains they are "swaps" regulated under the Commodity Exchange Act. The court found that the CFTC is likely to succeed in arguing that federal law grants the agency exclusive authority over such instruments. This restraining order will remain in effect until April 24, while the court determines whether to issue a longer-term preliminary injunction. The case is a critical component of a broader national debate over whether prediction markets should be treated as financial instruments or online betting platforms. The ruling arrives amid a fragmented regulatory environment. While Kalshi has seen success in Arizona and New Jersey, other states are tightening restrictions. Utah recently passed legislation classifying proposition-style bets as gambling, and a Nevada judge recently extended a ban on Kalshi's offerings, ruling that the products closely resemble traditional sports betting with no meaningful distinction between a contract and a wager.