US District Judge Sarah D. Morrison denied Kalshi’s request for a preliminary injunction against Ohio regulators and ruled that the platform must follow state gambling laws. Morrison said the Commodity Exchange Act does not pre-empt Ohio’s sports gambling laws; Kalshi reportedly intends to appeal.
The ruling leaves Kalshi subject to Ohio gambling rules while its challenge proceeds.
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A federal judge in Michigan denied Polymarket’s request for a preliminary injunction against state officials on 17 June. Judge Paul Maloney said the company had not shown immediate irreparable harm or a likelihood of success on the merits while its case continues.
A Wisconsin federal judge refused the CFTC’s request for a preliminary injunction. The request sought to intervene after state authorities moved against sports prediction-market platforms.
A Nevada judge denied Kalshi’s request to pause an order dissolving the preliminary injunction that had allowed it to offer sports-related event contracts in the state. Kalshi is appealing the underlying decision to the Ninth Circuit, and a case assessment call is scheduled for 30 December.
The US Ninth Circuit Court of Appeals unanimously upheld the removal of Kalshi’s preliminary injunction against Nevada authorities over sports-related contracts. The court treated the contracts as sports bets rather than swaps under federal law, allowing Nevada to apply its gambling rules; Kalshi said it would seek further review.
US District Judge Paul L. Maloney denied Polymarket’s request for a temporary restraining order in Michigan, leaving the case to proceed without immediate relief. The judge said Polymarket had not shown an imminent threat of enforcement; its request for a preliminary injunction remains pending, and the dispute concerns whether sports event contracts fall under federal or state oversight.