The United States Department of Justice (DOJ) has arrested Gannon Ken Van Dyke, a US commando who participated in the January operation to capture Venezuelan President Nicolás Maduro and his wife Cilia Flores. He is accused of using classified information about the mission to place bets on the decentralized prediction market Polymarket, netting over $400,000 in profits. This marks the first major insider trading prosecution involving a prediction market, with the defendant facing up to 60 years in prison.
Commando Bet on His Own Secret Mission
According to the DOJ, Van Dyke was directly involved in the military operation that extracted Maduro from Venezuela in January 2026. Just hours before the operation, he placed bets totaling more than $33,000 on Polymarket predicting Maduro's capture. After the mission succeeded, he withdrew his winnings and attempted to delete his account.
“Van Dyke allegedly betrayed the trust placed in him by the United States government, using secret information about a sensitive military operation to place bets on the timing and outcome of that very operation, all for profit,” said Jay Clayton, U.S. Attorney for the Southern District of New York.
Van Dyke faces three counts of violating the Commodity Exchange Act, one count of wire fraud, and one count of unlawful monetary transactions. The combined charges carry a maximum sentence of 60 years in prison.
Polymarket Collaborates, Updates Rules
Polymarket confirmed on social media that it had identified the user and referred the case to the DOJ, cooperating fully with the investigation. “Insider trading has no place on Polymarket. Today’s arrest is proof that the system works,” the company stated.
However, in March 2026, Polymarket updated its rules to explicitly classify trading by anyone who could influence the outcome as insider trading. Despite these efforts, the platform’s decentralized nature— lacking mandatory Know Your Customer (KYC) procedures—limits enforcement. The case highlights regulatory gaps in prediction markets.
Broader Regulatory Concerns
The case could become a landmark precedent for insider trading enforcement in prediction markets. Previously, Polymarket faced backlash for allowing bets on war events, including a market predicting a nuclear bomb explosion before year-end (later removed) and a market on a rescue operation for a missing pilot in Iran. Representative Seth Moulton (D-MA), a Marine Corps veteran, called such bets “disgusting,” suggesting that access to non-public intelligence could be exploited.
This arrest signals that authorities are closely watching prediction platforms, and may push for stricter identity verification and transaction monitoring to prevent misuse of non-public information.