Insider Trading on Polymarket: Inside the Van Dyke Indictment and What It Means for Prediction Market Users
On April 23, 2026, the Department of Justice unsealed an indictment against Gannon Ken Van Dyke, an active-duty U.S. Army Master Sergeant stationed at Fort Bragg, charging him with using classified information about a U.S. military operation to generate roughly $410,000 in profits by trading binary-event contracts on Polymarket. The indictment, filed in the Southern…
