In a recent ruling, a federal judge in Arizona has temporarily halted the state's plans to bring criminal charges against Kalshi, a prediction market provider. The decision comes in response to a motion filed by the Commodity Futures Trading Commission (CFTC), which argued that Arizona's laws are preempted by federal regulations. District Judge Michael Liburdi ruled that Arizona cannot proceed with an arraignment of Kalshi as scheduled, citing the possibility that the state's actions could violate the Supremacy Clause.
The temporary restraining order, which will remain in effect for two weeks, may be extended if a preliminary injunction is granted. The CFTC has welcomed the judge's decision, stating that Arizona's use of state criminal law against companies complying with federal law sets a dangerous precedent. The regulator argues that prediction markets, also known as event contracts, fall under its supervision as swaps, and that its authority takes precedence over state law. The ruling is the latest development in an ongoing dispute between the CFTC and several states, including Arizona, over the regulation of prediction markets.
While state courts have often sided with the states, federal courts have delivered mixed results, with some ruling in favor of the CFTC's position. The issue is set to be debated further in a consolidated case to be heard by the Ninth Circuit Court of Appeals next week.