New York Sues Polymarket for Illegal Gambling as State Targets Prediction Market Boom

Attorney General Letitia James and Governor Kathy Hochul filed a lawsuit Wednesday against QCX LLC, the operator of Polymarket US, accusing the platform of running an unlicensed gambling business in violation of New York law. The complaint alleges that Polymarket’s event contracts constitute illegal wagering because users stake money on uncertain outcomes beyond their control, bypassing the regulatory frameworks and tax obligations imposed on licensed casinos and sportsbooks.

The state seeks immediate injunctive relief to halt operations within New York borders. Beyond shutting down the platform, prosecutors are demanding full forfeiture of profits, restitution to affected consumers, and civil penalties amounting to three times the earnings generated through the alleged misconduct. Officials emphasized that these laws protect vulnerable populations, including minors under the legal gambling age of 21, while ensuring revenue streams fund education and public safety programs.

Polymarket entered the U.S. market in December 2025, marketing itself as a venue for betting on everything from sports results to geopolitical events. Regulators argue this breadth exacerbates risks by exposing users to volatile financial instruments disguised as entertainment. James stated the company targets susceptible individuals while depriving families of essential services funded by legitimate gaming taxes. Hochul highlighted the danger posed to young people prone to problem gambling behaviors.

This action intensifies a broader legal offensive against the prediction market sector. In July, New York sued Kalshi, seeking $36 billion in damages over similar allegations of unauthorized gambling. Earlier this year, authorities also targeted Coinbase and Gemini regarding their derivative offerings. These lawsuits reflect growing friction between state regulators and federal oversight bodies. Platforms like Polymarket maintain they operate legally under Commodity Futures Trading Commission (CFTC) jurisdiction, a stance supported by the Trump administration’s deregulatory agenda favoring fintech innovation.

However, federal regulators show signs of wavering support. Recent CFTC staff warnings indicated concern over “mention” contracts—derivatives tied to social media trends or specific phrases—which invite potential manipulation. This internal caution contrasts with the agency’s previous tolerance for election-based derivatives, creating uncertainty about whether federal preemption will shield companies from state enforcement actions.

The economic stakes remain high despite regulatory headwinds. Analysts project the prediction market industry could reach $1 trillion in annual trading volume by 2030, generating nearly $11 billion in revenue. Firms such as Bernstein have noted rapid valuation growth driven by massive capital inflows into platforms like Kalshi and Polymarket. Users trade binary options that settle at $1 if an event occurs and $0 otherwise, effectively pricing implied probabilities in real-time. A contract trading at 60 cents suggests a 60% likelihood of occurrence according to collective market sentiment.

State-level challenges extend beyond New York, with Kentucky and Illinois initiating parallel probes into digital wagering platforms. Legal experts anticipate prolonged litigation testing the boundary between commodity futures regulation and traditional gambling statutes. Until courts resolve this jurisdictional conflict, operators face significant compliance costs and operational restrictions across multiple states.