Kalshi has expelled a former California gubernatorial candidate from its platform after he was found to have violated insider trading regulations. This individual, who is now campaigning for a congressional seat, bet on his own candidacy last year. According to Kalshi’s enforcement head, Robert DeNault, the politician placed a $200 wager on his gubernatorial chances and openly discussed it on social media platform X. As a result, he faces a five-year suspension and a $2,000 fine.
Although Kalshi did not disclose the politician's identity, the details align with Kyle Langford, a former Republican who has switched to the Democratic Party and is currently running for California’s 26th Congressional District. On May 25, 2025, Langford posted a video on X showing him placing a $98.76 bet on his victory odds. Kalshi clarified that no profits were withdrawn from the account, and the incident has been reported to the Commodity Futures Trading Commission (CFTC). Attempts to reach Langford for comment were unsuccessful.
In a related development, Kalshi also penalized a YouTube editor for trading $4,000 on YouTube stream markets, a breach of the platform's insider trading rules. This individual received a two-year suspension and a $20,000 fine. Kalshi's surveillance detected extraordinary trading success in markets with low odds, suggesting access to insider information. While not naming the editor, reports indicate the person might be Artem Kaptur, associated with YouTube creator MrBeast.
Kalshi, regulated by the CFTC, has investigated 200 cases, freezing several accounts flagged for suspicious activities. The platform has over a dozen ongoing cases. Recently, Kalshi enhanced its surveillance by creating an audit committee and partnering with Solidus Labs, a crypto trading surveillance firm, to combat market abuse.
The increased scrutiny comes as prediction markets gain mainstream attention, prompting US lawmakers to propose legislation restricting trading by government insiders. This follows an incident where a Polymarket user profited significantly from bets on Venezuelan President Nicolás Maduro, placed shortly before his capture by US forces.
On Thursday, CFTC Chair Mike Selig announced the establishment of a prediction markets advisory to collaborate with industry players to uncover insider trading. Selig warned potential violators of severe consequences for manipulation or fraud, reaffirming the agency's commitment to enforcement.