New York sues Kalshi over $36 billion prediction market

Status as of August 1, 2026

Filed/allegation-stage: New York v. KalshiEX, LLC was filed on July 31, 2026, in New York Supreme Court in Manhattan. The state petition and the official announcement are the controlling public records for the filing posture. New York alleges that KalshiEX, LLC is running an unlicensed gambling operation through prediction-market contracts and seeks injunctions, forfeiture, restitution, and civil penalties; no court has yet ruled in this state petition that Kalshi’s platform is illegal gambling under New York law. [1][2]

That distinction matters for anyone tracking the New York Kalshi prediction-markets lawsuit. The state has pleaded a broad gambling-law theory and a very large remedies calculation. Kalshi disputes the state’s characterization and the penalty estimate. The open hinge is still the same one that has been moving through federal court: whether New York gambling law can reach CFTC-approved event contracts after Judge Analisa Torres declined preliminary relief, the Second Circuit denied emergency relief, and the CFTC filed its own emergency motion shortly before New York filed the petition. [2][3]

What New York alleges

The petition treats Kalshi’s contracts as wagers under New York’s gambling-law framework. New York’s pleaded definition focuses on staking something of value on outcomes that are uncertain and outside the bettor’s control, or that depend on chance. From there, the state alleges that Kalshi offers New York users markets that fit that definition without a New York State Gaming Commission license. [1]

The petition does not rest only on an abstract disagreement over what an event contract is. It adds operational allegations: Kalshi is headquartered in New York; it allegedly has not paid state gambling taxes; it allegedly allows 18-to-20-year-old users to trade where New York mobile sports betting requires users to be 21 or older; and it allegedly offers markets involving New York college teams that licensed sportsbooks may not offer. [1]

Those allegations are doing different work. The headquarters allegation gives the state a concrete jurisdictional anchor. The age-access and college-team allegations make the state’s sports-betting comparison less theoretical. The tax and licensing allegations support the state’s remedy request. None of those pleaded facts is a merits ruling.

The $36 billion figure is a state estimate, not a court award

The headline number in the filing is approximately $36 billion. It should be read as New York’s pleaded estimate of potential exposure, not as damages that have been adjudicated and not as a finding that Kalshi owes that amount. The state’s number comes from the remedy structure it says applies: a permanent injunction, forfeiture, restitution, civil fines of three times Kalshi’s gains, and $100,000 for each unauthorized or attempted offer. Kalshi disputes the estimate. [1][2]

That remedy math is why the estimate can get large quickly. A per-offer penalty does not behave like a simple consumer-loss calculation. If a court accepted the state’s theory, the exposure would turn on how the court counts offers or attempted offers, how it measures gains, what conduct falls within New York’s reach, and whether equitable relief such as forfeiture or restitution is available on the pleaded facts.

For monitoring purposes, the safest phrasing is narrow: New York seeks remedies that it estimates could total about $36 billion, and Kalshi disputes that figure. Anything stronger would run ahead of the record.

How the petition landed inside the federal-state fight

The July 31 petition did not arrive on a blank docket. It followed a series of emergency and pre-enforcement moves that left neither side with a final merits ruling.

Judge Torres’s July ruling is important because it is the most developed judicial treatment in the immediate New York sequence, but it still sits in preliminary-relief posture. She concluded that state interests including preventing gambling addiction, preserving sports integrity, and avoiding the proliferation of unregulated contracts “heavily” outweighed Kalshi’s federal-law and technology arguments at that stage. She also cited Commodity Exchange Act language stating that the relevant section does not supersede or limit jurisdiction conferred on state regulatory authorities, and noted that nothing prevented Kalshi from seeking a New York license. [3][4]

That is useful, but not conclusive. A denial of preliminary relief can affect leverage and timing without deciding every statutory or constitutional question. The Second Circuit’s late-July denial of emergency relief likewise matters because it preserved the enforcement posture; it does not turn the state petition into an adjudicated gambling finding. [2]

What CFTC approval does not yet settle

Kalshi’s strongest market-design story is that its contracts are federally regulated prediction-market products. New York’s strongest enforcement story is that federal permission to list a contract does not automatically displace state gambling law. The present record does not finally choose between those stories.

That is why the CFTC’s July 31 emergency motion matters. The agency’s move, filed shortly before New York’s petition, keeps the federal regulator in the dispute rather than leaving the case as a simple state-versus-platform enforcement action. But the fact that the CFTC is active is not the same thing as a final ruling that New York is preempted. [2]

The same preemption issue is also visible outside New York. The site’s Washington Kalshi injunction record tracks King County Superior Court’s July 20, 2026 treatment of Kalshi’s CEA-preemption arguments. For adjacent platform exposure, the Robinhood prediction-markets legal-threats record is the cleaner exit. For the federal rulemaking backdrop, use the CFTC sports prediction-market rule tracker.

The enforcement pattern around this filing

New York’s Kalshi petition fits a broader state and federal enforcement pattern, though the surrounding matters should not be treated as proof that New York wins this case. The state has also pointed to related actions involving Coinbase Financial Markets, Gemini Titan, and Valve, and Governor Hochul’s April 2026 executive order barring state employees from prediction-market insider trading sits in the same policy environment. [2]

The federal side has its own pattern. In April 2026, the CFTC announced suits against states, including New York, over state efforts to regulate or block CFTC-regulated prediction-market activity. That agency posture explains why New York’s filing should be read as part of a live state-federal conflict rather than as an isolated gambling complaint. [5]

What can safely be said today

As of August 1, 2026, the safe record statement is this: New York has sued KalshiEX, LLC and alleges that its prediction-market platform is illegal gambling under state law; the state seeks injunctive and monetary relief that it estimates at approximately $36 billion; Kalshi disputes the state’s theory and the penalty estimate; and no court has yet entered a merits ruling in the state petition adjudicating Kalshi’s platform illegal gambling. [1][2]

This is the highest-stakes state enforcement action currently visible against a CFTC-regulated prediction market, but its viability remains open because CFTC approval answered only the federal regulatory question. It has not yet definitively answered how far New York gambling law can reach.

• Monitor the New York Supreme Court petition docket for any temporary, preliminary, or merits ruling.
• Watch for action on the CFTC’s July 31 emergency motion in Manhattan federal court.
• Track further appellate movement after the Second Circuit’s denial of emergency relief.
• Read any later court treatment of Judge Torres’s CEA/state-authority reasoning before treating federal approval as a state-law shield.

References

1. New York v. KalshiEX, LLC Petition, Office of the New York State Attorney General, July 31, 2026
2. Governor Hochul and Attorney General James Announce New York Has Sued Kalshi for Running Illegal Gambling Operation, New York State Governor’s Office, July 31, 2026
3. KalshiEx LLC v. New York State Gaming Commission et al. Opinion and Order, U.S. District Court for the Southern District of New York, July 2026
4. Attorney General James and Governor Hochul Release Statement on Court Victory, Office of the New York State Attorney General, July 8, 2026
5. CFTC Files Lawsuits Against State Gaming Regulators, Commodity Futures Trading Commission, April 2026