Skip to content
29 August 2026

Gabriel Perez Penalized for Using Insider Knowledge on Kalshi Platform

Gabriel Perez, a former White House teleprompter operator, was fined $172,000 for using insider knowledge to place bets on the Kalshi prediction market platform.

Gabriel Perez Penalized for Using Insider Knowledge on Kalshi Platform

The world of prediction markets has recently come under scrutiny following the case of Gabriel Perez, a former White House teleprompter operator. Perez was fined $172,000 by federal regulators for exploiting material, nonpublic information to place bets on the Kalshi platform for his personal gain.

This incident highlights the growing concerns surrounding the regulation and ethical use of prediction markets, which allow users to place speculative bets on public events and trends. The case against Perez is not an isolated incident but part of a broader pattern of market manipulation in this emerging industry.

Gabriel Perez’s Unlawful Conduct

According to the Commodity Futures Trading Commission (CFTC) Perez used his position as a White House teleprompter operator to gain access to Trump’s speeches before they were delivered. From December to February, he placed bets on Kalshi tied to specific words or phrases that Trump might use during his speeches. The CFTC maintained that Perez misappropriated this information, breaching his duty of trust and confidence.

Perez was ordered to disgorge the profits he made from his unlawful conduct, totaling $107,539.02, and to pay a civil penalty of $65,000. The CFTC noted that these amounts represented a substantial discount due to Perez’s exemplary cooperation with the investigation. Additionally, Perez agreed to a three-year trading ban and to cease and desist from further violations of federal laws prohibiting market manipulation.

The Broader Implications of Prediction Markets

The case of Gabriel Perez is just one example of the risks associated with prediction markets. These platforms, such as Kalshi and Polymarket, have seen a surge in popularity, with billions of dollars of bets placed weekly on various events, from sports games to political outcomes.

However, this popularity has also attracted individuals looking to exploit the system for personal gain. For instance, about four months before Perez’s fine, federal prosecutors indicted US soldier Gannon Ken Van Dyke for allegedly making a $400,000 bet on Polymarket about whether Nicolás Maduro would be removed from Venezuela‘s presidency. Van Dyke had worked on the operation to remove Maduro, raising concerns about the potential for insider trading in these markets.

Kalshi has also faced scrutiny for allowing political candidates to bet on their own elections. In April, the platform announced fines against three political candidates who bet on their own elections, including one who wagered on whether he would run for office before announcing an independent campaign for a US Senate seat in Virginia.

Regulatory Challenges and Future Concerns

The proliferation of prediction markets has raised questions about their regulation and potential impact on democracy. Amanda Fischer, chief policy officer at Better Markets, expressed concerns about the ease with which these markets can be manipulated, especially ahead of major election cycles.

“These markets are very easily manipulated, and the platforms say they invest in surveillance and catch people after the fact, but when it comes to elections, the consequences are really grave,” Fischer said. She added that with the first major election cycle featuring mainstream prediction markets like Kalshi and Polymarket, there is a risk of partisan interests and even foreign actors looking to game the system.

Kalshi and Polymarket have taken steps to address these concerns, such as barring political staffers from betting on their own races and blocking dozens of attempts to trade with inside information. However, the recent case of Gabriel Perez serves as a reminder of the ongoing challenges in regulating these markets and ensuring their integrity.

Author

Olivia Carter

Olivia Carter writes about beauty without the hype: actual ingredients, real prices, and the gap between marketing and results. Based between London and New York.