Kalshi handed former U.S. congressman George Santos a permanent ban Monday, the prediction exchange’s first lifetime removal of any user. A compliance review concluded he traded on his own State of the Union attendance and made false public statements to move prices.
The penalty took effect last Friday. It was formalized in a filing published Monday that also imposed a $71,356 financial hit. Santos walked away with roughly $17,839 in profit from the trades, per TechCrunch. Decrypt reported the figure at “nearly $18,000.” Kalshi confirmed to CBS News that Santos is the first person to receive a lifetime ban from the platform.
Santos was expelled from the House in December 2023 and later pardoned. He placed bets on a market tied to whether he would attend President Trump’s State of the Union address. Resolution depended entirely on his own behavior. No other trader had that edge.
The compliance filing found he placed large trades and then made false public statements designed to shift prices in his favor. Inside knowledge of the outcome. A public megaphone to nudge it. Both at once.
Kalshi framed the ban as proof the platform can police manipulation. The framing carries weight. The prediction-market industry is pushing for broader regulatory legitimacy and federal oversight. A self-policing enforcement record is the argument that the sector can be trusted.
Santos fired back on social media with a sarcastic “Hey @Kalshi thanks…”, per The Hill. No further comment has been reported. Kalshi’s announcement came through the filing and a spokesperson confirmation. Nothing beyond that from executives.
The $71,356 penalty sits apart from the trading profit. Whether Santos has paid it or plans to contest remains unclear.
Prediction markets let users bet on real-world outcomes: elections, economic data, personal appearances. Kalshi operates as a regulated derivatives exchange and has staked its brand on being the compliant alternative to offshore rivals. The Santos case marks its first enforcement test against a politically connected user accused of manipulation.
It will not be the last. Holders, as ever, are split on whether the punishment fits the offense or the platform.


