US Soldier Accused of Using Classified Intel for Polymarket Trades Was Blocked by Kalshi

A U.S. Army Special Forces soldier, Gannon Van Dyke, is at the center of a major insider trading case after allegedly using classified military intelligence to profit over $400,000 on Polymarket, while previously being blocked from trading on rival platform Kalshi. The case is now drawing national attention as one of the first major prosecutions involving insider trading on prediction markets, highlighting growing risks as these platforms expand. 

Blocked by Kalshi but Active on Polymarket

Before placing trades, Van Dyke attempted to open an account on Kalshi, a regulated U.S. prediction market platform. However, he was blocked during identity verification, reportedly due to stricter compliance checks.  He later turned to Polymarket, where enforcement and onboarding were less restrictive at the time, allowing him to place multiple high-stakes bets tied to a classified military operation. 

Allegedly Used Classified Military Operation to Profit

According to prosecutors, Van Dyke had direct knowledge of a covert mission known as “Operation Absolute Resolve,”which involved plans related to Venezuelan leader Nicolás Maduro.

Using that information, he placed a series of trades predicting:

• U.S. military action in Venezuela
• The removal or capture of Maduro

He reportedly made 13 bets between late December 2025 and early January 2026, generating more than $400,000 in profit. 

Federal Charges and National Security Concerns

Van Dyke now faces multiple federal charges, including:

• Wire fraud
• Commodities fraud
• Theft of government information

Authorities say the case goes beyond financial crime, raising national security concerns due to the misuse of sensitive intelligence.  If convicted, he could face decades in prison, with some charges carrying significant penalties.

Polymarket Flagged Suspicious Activity

Polymarket reportedly detected irregular trading patterns and alerted authorities, playing a key role in the investigation. This is significant because prediction markets are often criticized for their ability to be exploited by individuals with insider knowledge. The case highlights a core vulnerability: Access to non-public information can create massive advantages in event-based trading environments.

Prediction Markets Under Intensifying Scrutiny

This incident comes as platforms like Kalshi and Polymarket face increasing regulatory pressure.

• Kalshi has already fined and banned users for insider trading
• Governments are debating whether these platforms qualify as financial markets or gambling systems
• Lawmakers are raising concerns about market integrity and fairness

The Van Dyke case is likely to accelerate calls for stronger oversight and clearer rules.