In a recent ruling, a federal judge in Arizona has temporarily halted the state's attempt to bring criminal charges against Kalshi, a prediction market provider. The decision, made in response to a motion from the Commodity Futures Trading Commission, prevents Arizona from pursuing enforcement actions under state law for the time being.
District Judge Michael Liburdi ruled that Arizona cannot proceed with an arraignment of Kalshi as planned, citing the likelihood that the Commodity Futures Trading Commission will succeed in its claim that Arizona's gambling laws are preempted by federal law. The judge's decision highlights concerns that Arizona's actions may violate the Supremacy Clause, and a preliminary injunction motion is currently pending. The Commodity Futures Trading Commission has welcomed the ruling, 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 role takes precedence over state law.
The case is part of a broader debate, with mixed results in court. While some state courts have sided with states, federal courts have yielded different outcomes, including a recent Third Circuit Court of Appeals ruling that prediction markets are subject to Commodity Futures Trading Commission rule. The Ninth Circuit Court of Appeals is set to hold a hearing on a consolidated case, allowing providers and other parties to present their arguments.