In a recent ruling, a federal judge in Arizona has temporarily blocked the state from pressing criminal charges against Kalshi, a prediction market provider. The decision comes in response to a motion filed by the Commodity Futures Trading Commission. District Judge Michael Liburdi ruled that Arizona cannot proceed with an arraignment of Kalshi as planned, after the state announced it would be filing 20 criminal charges against the company for allegedly violating Arizona law with its betting products. The judge's ruling stated that the Commodity Futures Trading Commission has demonstrated a strong likelihood of succeeding in its claim that Arizona's gambling laws are preempted by federal law.
As a result, Arizona's pursuit of state action could violate the Supremacy Clause, leading the judge to grant a temporary restraining order for a period of two weeks. A pending motion for a preliminary injunction may extend this order.
The judge's decision restrains Arizona from enforcing its gambling laws in any criminal or civil enforcement actions related to contracts listed on Commodity Futures Trading Commission-regulated markets. The Commodity Futures Trading Commission chairman, Michael Selig, expressed appreciation for the judge's decision, stating that Arizona's use of state criminal law against companies complying with federal law sets a dangerous precedent. The Commodity Futures Trading Commission has argued that prediction markets are subject to its supervision as swaps, and that its role preempts state law. This view has yielded mixed results in court, with state courts often siding with states and federal courts producing different outcomes.
The case is part of a broader debate over the regulation of prediction markets, with various courts and regulatory bodies weighing in on the issue.