Army Master Sergeant Charged for Using Classified Government Intel to Win $400K+ on Prediction Markets

Master Sergeant Gannon Ken Van Dyke was charged under the Espionage Act and federal securities fraud statutes for allegedly using confidential government intelligence to make profitable bets on Polymarket, a cryptocurrency-based prediction market platform. Prosecutors alleged Van Dyke used classified information — including advance knowledge of intelligence operations — to earn over $400,000 in profits on various political and military event contracts, including bets related to the capture of Venezuelan President Nicolás Maduro and other high-value targets. The case raised broad concerns about the proliferation of prediction markets and their potential exploitation by government insiders with advance knowledge. The Department of Defense launched a broader review of military personnel participation in prediction markets. The arrest was the first high-profile case of alleged insider trading using classified intelligence on a political prediction platform, raising questions about the regulatory status of Polymarket and similar services.