Kalshi Bans Former US Congressman Over Insider Trading Suspicions

By jili tutorial · September 2, 2026

Kalshi Issues Lifetime Ban to Former Congressman George Santos

The prediction market platform Kalshi has permanently banned former U.S. Representative George Santos from trading. The decision follows an internal investigation and adds to the long list of controversies surrounding the disgraced politician. It also comes as Kalshi and the Commodity Futures Trading Commission (CFTC) have intensified efforts to combat insider trading and safeguard the integrity of prediction markets.

Background: Santos Settled with CFTC for Insider Trading Bets

Kalshi’s action against Santos centers on bets he placed regarding his own attendance at the State of the Union address. Santos first posted a video on social media confirming he would attend. He later uploaded another clip on X (formerly Twitter), claiming he had missed his flight. In the interim, he allegedly placed bets on Kalshi, profiting from his sudden change in plans.

This apparent case of insider trading triggered a federal investigation. The CFTC ultimately reached a settlement with Santos, requiring him to pay a relatively modest $35,000 fine. Notably, Santos did not face criminal charges, even though his actions constituted insider trading. The regulator appears to favor this approach, having also settled a similar case involving a teleprompter operator for former President Trump.

The CFTC’s lenient stance seems at odds with its stated commitment to cracking down on insider trading. In April, the agency emphasized it would focus on policing fraud, abuse, and manipulation. David Miller, the CFTC’s director of enforcement, specifically noted that the agency would aggressively prosecute trades involving misappropriated information.

The State of the Union Bet

Santos publicly confirmed his attendance at the State of the Union address.
He then claimed he had missed his flight in a subsequent post.
During this window, he allegedly placed trades based on his non-public knowledge.
The CFTC settled the case for a $35,000 fine without criminal charges.

Insider Trading Remains a Persistent Challenge for Prediction Markets

While the CFTC opted for a financial penalty, Kalshi took a much stricter stance. The company’s compliance team conducted its own investigation, concluded that Santos’s activity showed clear signs of insider trading, and issued a lifetime ban. It is currently unclear whether Santos can still use other regulated prediction platforms, such as Polymarket.

In response to the ban, Santos posted on X: “Hey Kalshi, thanks for the lifetime ban from your gambling platform. Let’s see how much longer you guys are around for.”

Santos’s History of Controversy

Santos is no stranger to legal trouble. In 2024, he pleaded guilty to fraud and identity theft and received a seven-year prison sentence. However, President Trump pardoned Santos just three months into his sentence. The stated reason for the clemency was that Santos had consistently voted Republican and publicly supported Trump.

A Growing Problem for the Industry

Despite the high-profile ban, insider trading remains a widespread issue in prediction markets. By August, Kalshi and Polymarket had flagged over 100 cases involving potential insider trading. Unfortunately, a lack of staff and ongoing budget cuts at the CFTC mean that federal investigations are moving at a glacial pace. This leaves prediction platforms largely responsible for policing their own markets.