Federal judge temporarily blocks Arizona from prosecuting Kalshi in showdown over prediction markets
A federal judge in Arizona has temporarily barred the state from bringing criminal charges against prediction-market operator Kalshi, halting an arraignment that was set for Monday, April 13. The order responds to an emergency motion from the Commodity Futures Trading Commission (CFTC) and represents the latest development in a multi-court fight over whether event contracts — often described as prediction markets — fall under federal oversight or state gambling laws.
What happened
- District Judge Michael Liburdi (D. Ariz.) issued a temporary restraining order Friday preventing Arizona from holding the scheduled arraignment or otherwise enforcing state gambling laws “in any criminal or civil enforcement actions to any contracts listed on CFTC-regulated [designated contract markets],” according to Paradigm senior regulatory counsel Stefan Schropp.
- Arizona had announced plans to file 20 criminal charges against Kalshi, alleging the company offered unlawful betting products under state law.
Why the CFTC intervened
- The CFTC filed suit against Arizona and two other states, arguing that prediction markets (also called event contracts) are swaps subject to federal regulation and therefore preempt state enforcement.
- In a statement, CFTC Chair Michael Selig praised the judge’s order and warned that “Arizona’s decision to weaponize state criminal law against companies that comply with federal law sets a dangerous precedent,” saying the decision sends a message that “intimidation is not an acceptable tactic to circumvent federal law.”
A fragmented judicial landscape
- Courts have split on this question. State tribunals have sometimes favored states — for example, a Nevada state court allowed the state Gaming Control Board to temporarily block Kalshi — while federal courts have produced different outcomes.
- The Third Circuit recently ruled that prediction markets are subject to CFTC oversight and that the agency has discretion to allow or restrict certain products (including sports-related offerings).
- The Ninth Circuit has declined to intervene in the Nevada matter but will hear a consolidated case next week that brings various providers and stakeholders to argue their positions.
Where this leaves Kalshi
- Judge Liburdi’s order came two days after he denied Kalshi’s separate motion for a preliminary injunction against Arizona; the two filings had been argued on different legal grounds. The temporary restraining order, however, prevents Arizona from moving forward with criminal enforcement for now.
Why it matters for crypto and markets
- The dispute highlights a broader regulatory tension affecting prediction markets and related crypto-native products: whether activities that look like betting should be governed by state gambling laws or by federal derivatives/swap rules administered by the CFTC.
- The outcome of the consolidated appeals and further federal rulings could set important precedents for market operators, decentralized platforms, and any crypto firms offering event-based contracts.
UPDATE (April 11, 2026, 01:16 UTC): Adds context.
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