Kalshi permanently bans former Rep. George Santos over alleged illegal trades

What This is

• Kalshi permanently banned former Rep. George Santos and ordered him to pay a $71,356 penalty.
• Kalshi said Santos traded in a market tied to whether he would attend President Trump’s 2026 State of the Union address.
• Kalshi concluded Santos likely violated its rules by trading on information others did not have, since he knew whether he planned to attend.
• Kalshi said Santos also tried to move prices by making public statements that were false, misleading, or contradictory, and then placing trades.
• Kalshi said Santos did not cooperate with its internal investigation, which it cited as part of the decision to ban him.
• The Commodity Futures Trading Commission previously penalized Santos and imposed a three-year trading ban after investigating related activity.

Why This Matters

• The case shows how easily a market can be skewed when a trader can influence the outcome, like deciding whether to attend an event.
• It tests whether prediction platforms can police manipulation on their own, or whether federal regulators need to step in more often.
• If public claims can be used to nudge prices, these markets can mislead people who treat them as real-time signals of what will happen.