Federal Judge Temporarily Halts Arizona's Enforcement Against Prediction Market Operator Kalshi

A federal judge has temporarily barred Arizona from enforcing its gambling laws against prediction market operator Kalshi, pausing the state's criminal case alleging illegal gambling activities.

U.S. District Judge Michael Liburdi's ruling halts the state's prosecution of Kalshi, which was scheduled for an arraignment hearing on Monday. The Arizona Attorney General's Office had charged Kalshi with 20 misdemeanor counts, alleging the company accepted bets on political outcomes, college sports, and individual player performance.

The federal Commodity Futures Trading Commission (CFTC) had sued Arizona in response to cease-and-desist letters sent to Kalshi by state gambling regulators and the criminal charges filed against the prediction market operator. The CFTC argued that Arizona is intruding on its exclusive federal authority to regulate national swaps markets.

Kalshi operates by allowing customers to buy and sell "Yes" or "No" contracts tied to the probable outcome of an event. The company maintains that it is a financial marketplace rather than a ... be regulated solely by the CFTC, not the state of Arizona.

Richie Taylor, a spokesperson for the ... , stated, "The attorney general's office disagrees ... ."

Robert DeNault, head ... commented on X that the ruling is "a step in the right direction."

Michael Selig, chairman of the CFTC, remarked, "Arizona's decision to weaponize ... . And the court's order today sends ... ."

This case is part of a broader legal battle over whether prediction markets ... regulations as gambling companies. Other states have also taken legal action against Kalshi and its competitor Polymarket, with courts issuing mixed rulings.