Kalshi sues Ohio regulator to block $5M sports market fine
Kalshi sued the Ohio Casino Control Commission in state court on June 29 to block a planned $5 million fine for its sports prediction markets. The platform argues the regulator lacks constitutional authority to impose the penalty through an administrative proceeding without a jury trial. The case escalates a long-running state-level fight and follows a separate Oregon class action alleging Kalshi operates illegal gambling.
Ohio's $5 million penalty threat turns an administrative process into a constitutional fight that could bleed Kalshi before any federal preemption ruling lands. If state regulators can levy eight-figure fines without jury trials, every state with a casino commission gains a cheaper enforcement weapon than a full court case. Kalshi is already defending five parallel state actions — Michigan, Illinois, Minnesota, Kentucky, and New Mexico — each with separate counsel, geofences, and daily fine exposure.
An adverse Ohio ruling would validate the administrative-fine model and invite copycat penalties from states watching the playbook. The platform's legal budget and product footprint now depend on convincing at least one state or federal court that CFTC registration preempts local casino regulation. A loss on that argument in Ohio deepens the hole for every other defense.
The Ohio lawsuit joins a running multi-state offensive against Kalshi that now spans Michigan, Illinois, Minnesota, Kentucky, and New Mexico, with state courts increasingly willing to issue pre-merits injunctions and daily fines before federal preemption is ever decided.