George Santos Under Federal Investigation for Betting Against His Own Actions

The Department of Justice is investigating former Congressman George Santos for insider trading on Kalshi, a government-regulated platform where people bet on the outcomes of political and other real-world events, according to NPR reporting published June 2. The investigation centers on Santos placing bets against his own appearance at the State of the Union address while publicly saying he would attend.

This marks the first known federal investigation into insider trading on political prediction markets—a new gray area in law enforcement as these betting platforms have grown in popularity.

What Santos Allegedly Did

On February 23, Santos posted a video on X (formerly Twitter) saying he would attend the State of the Union address the next day. At the same time, he placed bets on Kalshi that he would not appear at the event. He then posted from an airport saying he was watching the speech remotely, according to Washington Examiner reporting.

Kalshi's systems picked up the unusual trading activity and reported it to law enforcement. The Commodity Futures Trading Commission—the federal agency that oversees these markets—is also looking into Santos' trades.

The sequence of events suggests Santos knew something the public didn't: that he wouldn't actually be at the State of the Union. When you know material non-public information (information that isn't yet known publicly) and use it to make trades, that can violate insider trading laws.

How Prediction Markets Work and Why This Matters

Kalshi operates under federal oversight as a derivatives exchange—think of it like a stock exchange, but for betting on real-world events instead of company shares. The platform hosts markets on everything from electoral results to what specific politicians might say in interviews.

The puzzle here is that insider trading laws were written with stock markets in mind. When a corporate executive knows her company's earnings before they're announced and trades on that knowledge, that's clearly illegal. But what about a politician who knows whether he'll attend an event? Does that count as inside information? Federal agencies are still figuring out the answer.

The broader context here is important: prediction markets are becoming more popular, and federal regulators are racing to keep up. The Santos case is essentially a test case—the first real attempt to apply traditional insider trading rules to political betting. How prosecutors handle it could set the standard for future cases.

Santos' Wider Legal Troubles

This investigation is just the latest problem for Santos. He pleaded guilty to wire fraud and identity theft for stealing from donors and making unauthorized credit card charges. He faced additional charges including money laundering, theft of public funds, and lying to the Federal Election Commission. The House expelled him in 2023.

The Kalshi trades appear to have happened while Santos was in Congress or shortly after, when he still had public visibility that could move prediction markets.

What Could Happen Next

One question hanging over this case is how to distinguish between inside information and just knowing your own plans. When a politician decides not to attend an event, they're the first to know. Should they be barred from betting on that knowledge?

The investigation raises real questions about market fairness. Prediction markets rely on people making bets based on publicly available information. If insiders can trade on things only they know, the system breaks down. Kalshi's decision to flag Santos' trades shows the platform has some safeguards, but this case reveals gaps.

If prosecutors successfully convict Santos, it could lead to stricter rules. Federal agencies might require background checks (called "know-your-customer" requirements) for political figures who bet on these platforms, or outright bans on betting about events where someone has inside information. Conversely, if the case falls apart, it might mean prediction markets face fewer restrictions—a significant difference as these platforms grow.

The prosecution itself will be challenging. Insider trading with stocks is complicated enough; with politics, it's murkier. Did Santos possess truly "material" information, or was he just making a personal decision? How do prosecutors prove he knowingly misled the public? These questions don't have easy answers.

The fact that both the DOJ and the CFTC are investigating signals that federal agencies are taking this seriously and coordinating their efforts. The outcome will likely shape how regulators treat political prediction markets for years to come.

The Bigger Picture

This investigation arrives as prediction markets face growing attention from Congress, which is worried about rapid growth and potential risks to elections. The case sits at an awkward intersection: it involves a politician's personal information, emerging technology, and laws designed for a different era.

What's ultimately at stake is a fundamental question about fairness. Prediction markets can serve a real purpose—they aggregate information and help people forecast what will actually happen. But that only works if the playing field is level. If political insiders can bet against their own actions using information nobody else has, it stops being a fair market and becomes another way for those in power to gain advantages.