Prediction market platform Kalshi has imposed strict sanctions on Republican House candidate Laurie Buckhout. The reason — a violation of the fundamental principle of fair trading: she placed bets on her own election campaign. This is the first high-profile case where a politician, not just a trader, has faced tangible consequences for manipulative actions on a prediction market.
The price of overconfidence: the fine exceeded the bet amount
Buckhout, who is competing for a seat in North Carolina's first congressional district against Democrat Don Davis, purchased contracts worth less than $1,000. However, the sanctions turned out to be far more severe. According to the disciplinary notice, she agreed to pay a fine of $2,589.96 — more than double her initial investment. By agreeing to this, she also accepted a three-year ban from using the platform.
Kalshi's Rule 5.17(z) explicitly prohibits any trader who could directly or indirectly influence the outcome of an event from participating in trading. Election candidates automatically fall under this restriction. This is a logical step: otherwise, the market would instantly lose trust, turning into a tool for self-promotion and artificially inflating odds.
Buckhout herself admitted the mistake, calling her action "stupid." Her comment is telling: "I bet on myself. Literally. A stupid move, and as soon as I learned about the issue, I immediately set out to fix it. You could say my trading career on Kalshi ended very quickly."
The platform tightens rules: from Santos to the White House
This incident is just part of Kalshi's systemic fight against insider trading. In late August, the platform permanently blocked former Congressman George Santos, issuing him a fine of over $70,000. He, however, refused to cooperate with the investigation. A few days earlier, in coordination with the U.S. Commodity Futures Trading Commission (CFTC), a White House employee — a teleprompter operator who bet on the text of Donald Trump's speech — was penalized.
In June, the exchange had already introduced new measures to foster a fair market, but, as it turns out, that was not enough. Now legislative pressure is also on the horizon: Congressman Bryan Steil has introduced a bill that could completely ban lawmakers from betting on political outcomes, providing for fines and confiscation of profits.
My analysis: This case is an important signal for the entire prediction market industry. Self-regulation and tough measures against insiders are the only way to preserve the legitimacy of these platforms in the eyes of regulators and the public. If Kalshi and other venues cannot effectively combat such violations, the risk of a complete ban on political markets in the U.S. will become not just hypothetical, but a very real scenario.