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Prediction market Kalshi fines MrBeast editor over insider trading

  • On Wednesday, Kalshi disclosed disciplinary cases against a MrBeast editor and a California candidate, reporting both to the CFTC.
  • Kalshi's surveillance systems flagged statistically anomalous trades in August–September 2025 and received user tips, prompting investigators to link the activity to MrBeast's editor.
  • Kalshi froze Artem Kaptur's account, ordered him to repay more than $5,000, fined him about $20,000, and banned Kyle Langford for five years after a $200 wager.
  • Beast Industries, MrBeast's company, said it has no tolerance for the behavior and opened an independent investigation, while Kalshi said fines will be donated to a consumer-education non-profit.
  • Prediction markets have surged in the US with more than 200,000 active markets, and high-profile incidents like a $400,000 Polymarket win have spurred U.S. lawmakers and regulators to press for oversight.
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npr broke the news in Washington, United States on Wednesday, February 25, 2026.
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