New York sues Kalshi over alleged illegal gambling
New York Attorney General James and Governor Kathy Hochul sued Kalshi in July 2026 for allegedly operating an illegal gambling platform. The suit challenges whether its event contracts violate state gambling laws. The litigation follows a US appeals court ruling that states retain authority to regulate prediction markets alongside federal oversight. New York filed similar suits against Coinbase and Gemini in April under the same theory; multiple other states have sued Kalshi.
Kalshi's federal preemption defense is now under assault in New York by name, not just by analogy to other states. The suit joins Ohio, Tennessee, Missouri, and Connecticut in rejecting or testing the argument that CFTC registration blocks state gambling laws. For Kalshi, each new front forces a choice between costly state-by-state legal battles and an even costlier Supreme Court cert petition.
Coinbase and Gemini face parallel exposure as named defendants under the same state-gambling theory. Traders on all three platforms hold positions whose legality may shift with state borders. The first state to secure an injunction would set the compliance template rivals must meet. Legal spend compounds faster than any single case resolves.