The United States government is set to prosecute its first insider trading case involving a prediction market, as Army soldier Gannon Van Dyke prepares to stand trial in December. A Manhattan federal court has scheduled proceedings for the 38-year-old active-duty service member, who is accused of leveraging classified intelligence to profit from bets on Polymarket tied to the capture of Venezuelan President Nicolás Maduro. Authorities claim Van Dyke turned an initial wager of around $33,000 into more than $410,000 over a seven-day period starting in late December, placing 13 Venezuela-related bets. The case tests how existing fraud and commodities laws apply to blockchain-based event betting platforms.
Van Dyke was released on a $250,000 personal recognizance bond and has pleaded not guilty to three counts of violating the Commodity Exchange Act, along with charges of wire fraud and engaging in an unlawful monetary transaction. His legal team has indicated plans to file a motion seeking dismissal of the charges by the end of next month. Prosecutors also allege that Van Dyke requested deletion of his Polymarket account after the trades settled, in an attempt to conceal his activity.
Beyond the criminal case, Polymarket faces mounting scrutiny from lawmakers, regulators, and international authorities. House Oversight Committee Chairman James Comer has requested documents from the platform regarding wagers on the Maduro operation. Meanwhile, South Korean police have launched an investigation into domestic users of Polymarket for potential violations of gambling laws. In the United States, the Commodity Futures Trading Commission has filed a separate civil complaint, with Chair Mike Selig warning that enforcement action will follow any fraud or manipulation in regulated markets, regardless of ongoing debates about prediction market regulation.