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Appeals court rules against prediction markets, tees up SCOTUS fight


A Kalshi advertisement seen in Washington D.C. on March 27, 2026.

Paul Lester | CNBC

The Ninth Circuit Court of Appeals rejected prediction markets platforms’ requests for injunctive relief against the Nevada Gaming Control Board, concluding that sports-related event contracts are not a derivative regulated by the federal government. 

The court rejected appeals by Kalshi and Crypto.com, two prediction market platforms, to stop Nevada from halting their operations which the state claims are gambling offerings outside of the gaming control board’s framework. The court also ruled against Robinhood’s request for injunctive relief. That firm also features event contracts on its trading platform. 

Under scrutiny were the platforms’ sports-related event contract offerings, which 44 states argue are nothing more than sports betting. However, the platforms — and their federal regulator, the Commodity Futures Trading Commission — claim all event contracts, no matter the topic, are swaps. Swaps are a type of derivative under the purview of the CFTC, and the agency asserts that it has the exclusive jurisdiction to regulate all event contracts. 

The CFTC has even sued nine states to defend what it believes is its sole right to make rules for prediction markets. 

But the ninth circuit rejected that argument. “The sports event contracts were not ‘swaps’ because they were sports bets,” the court said in its opinion against Kalshi. 

In a statement to CNBC, a CFTC spokesperson said that the court understood that swaps are exclusively regulated by the commission, but said it was wrong to believe that sports-related event contracts don’t fall under that definition.

“A derivative contract structured as a swap is a swap regardless of the underlying subject matter — the only exceptions in statute are onions and movie box office receipts,” the spokesperson said in a statement. “The Ninth Circuit erred today when it invented a new and atextual exception to the CEA,” referring to the Commodity Exchange Act, the law that details which event contracts the CFTC is allowed to permit and reject.

Legal experts have widely expected that the question of sports-related event contracts, and whether state gaming regulators or the CFTC has the right to regulate them, will eventually reach the Supreme Court. 

That now appears very likely, as the ninth circuit’s decision contradicts a ruling from the Third Circuit Court of Appeals in early April. In that case, the third circuit ruled that only the CFTC has the jurisdiction to regulate sports-related event contracts.

The Commodity Futures Trading Commission (CFTC) headquarters in Washington, DC, US, on Thursday, Aug. 20, 2026.

Daniel Heuer | Bloomberg | Getty Images

“This is a classic circuit split,” said Joshua Mitts, a professor at Columbia Law School. Circuit splits are when federal appeals courts rule differently on the same topic. “Ultimately, this is the kind of legal controversy or legal difference of opinion which will make…



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