Polymarket's US arm is asking a court to halt Ohio's crackdown on sports prediction contracts, escalating the federal-versus-state fight over event markets.

Utah's attorney general calls Kalshi a gambling operation and seeks disgorgement of betting profits, the latest state action against federally regulated event c

Ohio regulators warn that licensed sportsbooks working with prediction market operators could jeopardize their suitability, setting a hard deadline for complian

The Texas senator's proposal would reverse the federal preemption argument Kalshi and Polymarket have used to operate nationwide, potentially closing sports con

A bipartisan group of state attorneys general and the NFL argue Kalshi and Polymarket contracts amount to gambling and should be subject to state oversight.

The agency told the two venues to pause planned micro and Scorigami contracts, signaling tighter scrutiny of novel sports event products.

Traditional futures incumbents are pushing back on Kalshi's expansion beyond sports into commodity-linked contracts.

A major exchange operator is moving into event-contract territory, testing how far the SEC will let prediction-style products extend into traditional index mark

Kalshi wants the securities regulator to delay competing index-style event contracts while its jurisdictional fight with the CFTC plays out.

Kalshi's founder says it is prepared to take the federal-state jurisdiction question to the high court as more states sue.

The operator challenges Tennessee's treatment of prediction market products as illegal gambling, adding to the wave of state-level lawsuits.

The two firms are asking courts to shield their sports event contracts after Missouri moved against them, another front in the state-by-state enforcement wave.

Regulators and operators publicly sparred over jurisdiction at a conference, framing the terms of the coming federal-state showdown.

The CFTC official's comment highlights unresolved insider trading questions as event markets expand into geopolitical outcomes.

The sportsbook operator is expanding into election event contracts, testing how far its licensed business can extend into prediction markets.

The advocacy group argues deceptive marketing practices justify state regulation of prediction market operators.

The UK regulator is seeking industry input on how decentralized finance fits within its existing framework.

Volume figures show prediction market activity continuing to scale even as regulatory pressure mounts.