Author: Claude, Deep Tide TechFlow
Deep Tide Introduction: The U.S. Department of Justice arrested Army Special Forces Staff Sergeant Gannon Ken Van Dyke on Thursday, charging him with using classified information obtained from participating in an operation to raid Venezuelan President Maduro to bet on Polymarket, turning a $33,000 principal into a profit of over $409,000 by betting on Maduro's ouster. This is the first case of insider trading in a prediction market prosecuted by the U.S. Department of Justice, and the first time the U.S. Commodity Futures Trading Commission (CFTC) has used the "Eddie Murphy Rule" to charge someone for misusing non-public government information.
A U.S. special forces soldier involved in the military operation to capture Maduro used classified intelligence to place bets on a prediction market, profiting $400,000. Now, he himself is the defendant.
According to a U.S. Department of Justice announcement on April 23rd, Army Special Forces Staff Sergeant Gannon Ken Van Dyke (38, stationed at Fort Bragg, North Carolina) was arrested and charged by federal authorities for allegedly using classified information to trade for profit on the prediction market Polymarket. The indictment shows that Van Dyke participated in the planning and execution of the operation codenamed "Operation Absolute Resolve," which detained Venezuelan President Maduro and his wife in Caracas in the early hours of January 3rd, 2026.
According to the indictment, Van Dyke opened a Polymarket account on December 26th, 2025. Between December 27th and January 2nd, he placed a total of 13 bets, with a total investment of approximately $33,034, all betting on the "Yes" outcome. These bets covered four contracts: "Maduro steps down before January 31st," "US invades Venezuela," "US troops enter Venezuela," and "Trump uses War Powers Act on Venezuela."
The final net profit was approximately $409,881. The single largest bet was $32,537 on "Maduro steps down before January 31st," with a return of 1,242%, profiting $404,222.
First Case Concluded: DOJ and CFTC Attack on Two Fronts
This is the first time the U.S. Department of Justice has brought criminal charges for insider trading on a prediction market, and it is also the first time the Commodity Futures Trading Commission (CFTC) has brought charges for insider trading in event contracts.
The CFTC simultaneously filed a civil lawsuit in the Federal Court for the Southern District of New York, demanding that Van Dyke return his profits, pay civil penalties, and be permanently banned from participating in futures trading. CFTC Chairman Michael S. Selig stated in a declaration that the defendant's actions endangered U.S. national security and put soldiers' lives at risk.
Van Dyke is charged with five federal crimes: three counts of violating the Commodity Exchange Act (each carrying a maximum sentence of 10 years in prison), one count of wire fraud (maximum 20 years), and one count of illegal monetary transactions (maximum 10 years).
The legal basis for this case is particularly noteworthy. According to an Axios report, the CFTC cited the so-called "Eddie Murphy Rule," which originates from Section 746 of the 2010 Dodd-Frank Act. Named after the movie "Trading Places," it explicitly prohibits trading commodities using stolen or misused non-public government information.
Attempted to Destroy Evidence After the Fact, Polymarket Actively Cooperated with Investigation
The indictment also reveals Van Dyke's attempts to cover his tracks after profiting from the bets.
On the day of the operation (January 3rd), Van Dyke withdrew most of the proceeds from his Polymarket account, transferred them to an overseas cryptocurrency vault, and then deposited them into a newly opened online brokerage account. On January 6th, when media and social platforms began reporting abnormal trading in Maduro-related contracts on Polymarket, Van Dyke requested that Polymarket delete his account, falsely claiming he had lost access to the registered email address. On the same day, he also changed the registered email address for his cryptocurrency exchange account to one not under his name; this email had been registered as early as December 14th, 2025.
According to the indictment, a few hours after the operation ended, a photo of Van Dyke was uploaded to his Google account. The photo shows him wearing a U.S. military combat uniform, holding a rifle, standing on the deck of a warship with three other soldiers, with a sunrise at sea in the background.
Polymarket stated in a post on platform X that the company proactively referred the matter to the Department of Justice and fully cooperated with the investigation after discovering a user was trading using classified government information. Polymarket Chief Legal Officer Neal Kumar stated that the platform is not anonymous and users like this one will be found.
Insider Trading Risks in Prediction Markets Extend Far Beyond the Maduro Case
The Van Dyke case is not an isolated incident. Questions surrounding insider trading on Polymarket have created systemic pressure.
In February of this year, Israeli authorities arrested and charged a reservist and a civilian, accusing the two of profiting on Polymarket using classified information about Israeli military operations against Iran.
In March, an account with the username "Magamyman" began placing bets approximately 71 minutes before a joint U.S.-Israel airstrike on Iran, ultimately profiting about $553,000.
And just yesterday, someone used a hairdryer to heat a temperature sensor near Paris's Charles de Gaulle Airport, thereby affecting weather data reported by the station, and profited from weather predictions on a prediction market.
When asked about the case by reporters at the White House on Thursday, Trump said it was like Pete Rose betting on his own team to win. He then added that the world has unfortunately become a kind of casino and expressed dissatisfaction with such bets on prediction markets.
The compliance dilemma for prediction markets lies in the fact that Polymarket's international site runs on the Polygon blockchain, operates outside U.S. jurisdiction, and is accessible via VPN. Although the CFTC approved Polymarket to operate within the U.S. last year, its U.S. site is not yet fully launched.
The Trump family also has business ties to Polymarket. The president's son, Donald Trump Jr., serves as an advisor to Polymarket, and his venture capital firm, 1789 Capital, has invested millions of dollars in the platform.
