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Ohio Court Denies Kalshi Injunction

Prediction platform Kalshi took another hit, this time in Ohio, where a judge denied the company’s preliminary injunction attempt.
Kalshi loses attempt to get a preliminary injunction to halt efforts to stop it from operating in Ohio.
Ian St. Clair Avatar
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Gaming Edge’s TL;DR

  • An Ohio federal court has denied Kalshi’s request for a preliminary injunction, leaving state regulators free to warn licensees about event contracts.
  • The decision, which finds no clear Commodity Exchange Act pre-emption of state sports gambling laws, heightens legal uncertainty for prediction markets.

Kalshi sued the Ohio Casino Control Commission (OCCC) executive director and the Ohio attorney general after the OCCC followed up on cease‑and‑desist letters and warned licensed gaming operators that partnering with prediction market platforms could jeopardize their licenses.

US District Judge Sarah Morrison denied Kalshi’s bid for an extraordinary preliminary injunction, finding Kalshi had not shown a likelihood of success on the merits. Morrison rejected Kalshi’s broad reading of the Commodity Exchange Act (CEA) and the statute’s definition of a “swap,” warning that treating ordinary sports bets as CEA‑governed swaps would upend the industry.

The judge also noted potential implications for tribal gaming under IGRA; several tribal organizations filed amicus briefs. The case remains active and Kalshi may appeal to seek a stay.

Patchwork legal landscape

The ruling keeps state regulators in control for now and creates immediate practical risks for both players and licensed operators. The decision means Kalshi’s sports‑event contracts face continued state enforcement in Ohio, and similar markets could be shut down or blocked in other jurisdictions where regulators press the issue. For licensed operators and potential partners:

  • License risk: States have signaled that collaborating with platforms offering event contracts could threaten gaming licenses.
  • Business caution: Operators and payment partners may pause or avoid integrations with prediction platforms to limit regulatory exposure.
  • Market fragmentation: Conflicting federal rulings (Tennessee vs. Ohio/Nevada/Maryland) increase the chance of a patchwork legal landscape, complicating nationwide product rollouts and investor assessments.

Tribal gaming groups warned of sovereignty impacts, meaning tribes and commercial sportsbooks alike will be watching appeals closely to protect revenue and regulatory authority.

Based on reporting by Tom Nightingale for SBC Americas.

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Ian St. Clair

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Ian St. Clair is a lover of words, vocal or written. Naturally, that makes Ian a great communicator and leader. Ian is curious and driven, always looking to improve, and always welcomes a challenge. Ian is authentic, possesses high-level emotional intelligence, and knows just when to crack a joke. A University of Northern Colorado graduate, Ian is now an expert in the online gambling field in the US, where he's been for over five years. Ian also has over a decade of journalism experience covering college and professional athletics, as well as the symphony and theater. Ian's a lover of history, news, and bacon. Oh, and tacos.

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