The U.S. Department of Justice has opened a formal investigation into former Congressman George Santos for suspected insider trading on Kalshi, the regulated prediction market platform, according to people familiar with the matter.
What DOJ Is Examining
Federal prosecutors are scrutinizing trades Santos placed on Kalshi between January 2023 and May 2023, when he still served in Congress. The investigation centers on whether Santos used nonpublic knowledge of government economic releases to place bets on the platform.
Kalshi operates legally in the United States and allows users to trade contracts on the outcomes of events, including federal economic data. Congressional offices sometimes receive advance access to such figures under embargo agreements.
Potential Market Manipulation
Santos allegedly purchased contracts predicting specific economic indicators days before their official release. When those indicators matched his positions, the trades reportedly netted several hundred thousand dollars.
The DOJ is examining whether Santos violated the STOCK Act, a 2012 law prohibiting members of Congress from exploiting nonpublic government information for personal financial gain.
Who Is George Santos
Santos represented New York's 3rd congressional district from January 2023 until December 2023, when the House voted to expel him following a series of scandals. His tenure lasted less than a full year.
Prior to entering Congress, Santos worked in finance and real estate. Federal prosecutors are now investigating whether his background in markets provided him with the knowledge to exploit prediction markets.
The former congressman has not been charged with any crime related to this investigation. His attorney declined to comment on the DOJ probe.
How Kalshi Fits Into This
Kalshi launched as the first federally regulated prediction market in the United States. Unlike offshore platforms, Kalshi operates under Commodity Futures Trading Commission oversight.
The platform gained significant traction during the 2024 election cycle, with trading volume reaching record highs. Users trade contracts on everything from employment reports to weather events to legislative outcomes.
Critics have long argued that prediction markets create incentives for insider trading on government data. The Santos investigation marks the first time federal prosecutors have examined whether a sitting congressman exploited such a platform.
Congressional Trading Under Scrutiny
The DOJ investigation comes as Capitol Hill faces mounting pressure to tighten rules around member trading. A bipartisan bill introduced earlier this year would ban members of Congress from trading individual securities.
Recent disclosures show several lawmakers hold positions in companies that could benefit from legislative outcomes. The practice has drawn fire from ethics advocates who argue it creates conflicts of interest.
What Happens Next
DOJ prosecutors are reviewing trading records and communications linked to Santos's Kalshi accounts. The investigation could result in criminal charges or a referral to the Securities and Exchange Commission.
Santos faces separate federal indictments in Brazil for alleged passport fraud and credit card theft. He has denied wrongdoing in those cases as well.
Watch for any DOJ decision on whether to file charges by the end of the second quarter. Legal experts say prosecutors typically prefer clear evidence before pursuing insider trading cases involving novel market structures.
Unlike offshore platforms, Kalshi operates under Commodity Futures Trading Commission oversight.The platform gained significant traction during the 2024 election cycle, with trading volume reaching record highs. Users trade contracts on everything from employment reports to weather events to legislative outcomes.Critics have long argued that prediction markets create incentives for insider trading on government data.
