New York’s top law-enforcement official has brought a civil action against Polymarket, claiming the platform’s sports-focused prediction contracts violate state gambling laws.
Background of the lawsuit
The complaint, filed on Thursday, references Polymarket’s mobile-app rollout in December 2025 that allowed users to place wagers on sporting outcomes. State officials argue that the advertised contracts constitute wagering rather than legitimate prediction-market activity. The filing also seeks to prevent New York residents from accessing the service.
Legal arguments and jurisdictional dispute
New York’s case contends that the company is attempting to sidestep the state’s stringent gambling regulations by labeling wagers as “event contracts.” The Attorney General’s office emphasizes that such contracts are fundamentally bets under New York law. This state-level action occurs amid a broader clash with federal regulators; the Commodity Futures Trading Commission’s chair maintains that the agency holds exclusive authority over prediction-market operators. Earlier in the year, New Jersey asked the Supreme Court to review a similar dispute involving Kalshi, highlighting the unsettled regulatory landscape.
Potential impact on prediction-market platforms
If the court grants relief, Polymarket could face a ban on New York users and significant penalties, setting a precedent for other platforms that host event-based contracts. The outcome may force companies like Kalshi, as well as those operated by major exchanges, to redesign product offerings or seek clearer guidance from federal agencies. Conversely, a ruling favoring the CFTC’s exclusive jurisdiction could consolidate regulatory oversight at the federal level, limiting individual states’ ability to enforce gambling statutes.
Why it matters
The lawsuit underscores the growing tension between state gambling regulators and federal bodies over who governs prediction markets. A decisive ruling could reshape how these platforms operate across the United States, influencing product design, user access, and the overall growth of the emerging market.




