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A federal judge has granted the Commodity Futures Trading Commission (CFTC) a preliminary injunction against Arizona officials in the legal fight involving Kalshi.
The ruling, issued by Judge Michael Liburdi, temporarily blocks Arizona from taking action against the prediction market platform while the case moves forward.
While the legal language may sound procedural, the impact of the ruling is significant.
It means the court is telling Arizona to keep its hands off Kalshi for now.
What Happened in Arizona?
Arizona regulators had challenged Kalshi’s event contracts, particularly products tied to sports and political outcomes, arguing the platform was operating too closely to gambling activity without following state betting laws.
Arizona Attorney General Kris Mayes (D), who filed the complaint in March, said Kalshi allegedly accepted unlawful wagers from Arizona residents on sports and political events, including elections.
In a statement, Mayes said the charges included bets on “professional and college sporting contests” as well as election wagering tied to races such as the 2028 presidential election and Arizona’s 2026 gubernatorial contest.
Kalshi’s response has stayed consistent.
The company says it is federally regulated through the CFTC as a Designated Contract Market, meaning its event contracts fall under federal commodities law rather than state gambling laws.
And, at least for now, the court appears willing to lean in that direction.
That is exactly what federal regulators want to avoid.
Inside the Fuling: How Kalshi’s Protection Got Stronger
This latest ruling actually builds on an earlier emergency court order issued in April 2026.
After Arizona filed criminal charges against Kalshi over its sports and political event contracts, the CFTC quickly stepped in and secured a temporary restraining order from Judge Liburdi. That order temporarily blocked Arizona from taking immediate enforcement action while the court reviewed the case.
This week, Liburdi upgraded that protection into a preliminary injunction, which is much stronger and lasts far longer during the legal battle.
Why the Feds Won
To stop Arizona’s crackdown, the judge had to check a few boxes to see if the federal government had a winning case.
- Federal law overrules state law: The judge used the Supremacy Clause of the Constitution. Think of it as a hierarchy: Since Kalshi is a federally regulated prediction market, Arizona cannot use its own state gambling laws to override federal rules. Federal law is the boss here.
- It’s a “swap,” not just a “bet”: Arizona claimed this was just gambling. The judge disagreed, ruling these contracts are legally “swaps” (financial tools used to manage risk). By labeling them as financial products, they stay under the protection of Wall Street regulators instead of local gaming boards.
- No “late penalties”: Arizona tried to argue the Feds waited too long to intervene. The judge dismissed this, noting that jumping in just two weeks after Arizona’s criminal charges was perfectly reasonable and didn’t disqualify the federal government from seeking an injunction.
What’s Next?
The preliminary injunction does not end the case, but it gives Kalshi stronger protection while the legal fight continues. Arizona can still challenge the platform in court, though the ruling suggests federal oversight may ultimately carry more weight than state gambling laws.
The broader outcome could help shape how prediction markets are regulated across the United States, especially as more states question whether sports and political event contracts belong under gaming rules or federal commodities law.
