A federal appeals court sided with Ohio and Tennessee in holding that Kalshi's sports event contracts can be policed under state gambling laws, deepening a circ

New York's attorney general alleges Polymarket offers unlicensed sports gambling, and the platform has countersued as the state-level fight over prediction mark

Robinhood's event-contract business has become a fast-growing revenue line, with reports citing about $156 million, even as regulators and courts scrutinize the

The ruling against Kalshi puts publicly traded brokerage and betting names in focus as investors weigh the regulatory risk to event-contract revenue.

Ohio's gambling regulator moved to penalize Kalshi as part of the same state-versus-prediction-market enforcement wave.

Kalshi is restricting access on tribal territory in California, the latest venue-level response to state and tribal assertions of gambling authority.

Kalshi is using Pyth's price feeds to launch commodities markets, expanding beyond sports and crypto event contracts.

An analyst forecast puts long-run industry revenue at $10 billion by 2030, framing the growth case amid the regulatory fights.

Analysts assess whether diversification beyond trading can sustain Robinhood's next phase of growth.

The offshore venue is pursuing a US regulatory foothold for perpetual futures tied to individual equities.

Underdog is deploying Eventus compliance technology for its federally regulated event-contract exchange.

A state-by-state guide tracks where the two major prediction market platforms are permitted to operate.

The former New Jersey governor called for tougher action against prediction market platforms.

Roundups compare the leading prediction market venues as the category gains mainstream attention.

A guide covers tax treatment for winnings and activity on Kalshi, Polymarket and similar platforms.

Regional roundups list recommended prediction market apps available to users in California and Georgia.