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Manhattan prosecutors probe potential insider trading on prediction markets: CNN

Federal prosecutors are probing well-timed bets on events like Maduro's capture amid a fast-growing industry largely self-regulated and facing new platform rules and legal scrutiny.

  • Federal prosecutors in Manhattan are investigating whether lucrative bets placed on prediction markets violate insider trading and anti-fraud laws, marking an escalation by the Justice Department into the fast-growing industry.
  • Fresh scrutiny follows well-timed wagers on high-profile events, including the capture of Venezuelan leader Nicolás Maduro and war outcomes in Iran, raising concerns about potential access to nonpublic information.
  • U.S. Attorney for the Southern District of New York Jay Clayton warned that prediction markets do not "insulate you from fraud," though criminal defense lawyer Aitan Goelman noted prosecuting such cases remains legally untested.
  • Platforms like Polymarket and Kalshi are proactively updating rules and investigating suspicious activity, with Kalshi having referred over a dozen cases to law enforcement in the past year.
  • State-Level enforcement is intensifying: California Democratic Governor Gavin Newsom recently banned state officials from using insider knowledge on prediction markets, while Arizona filed criminal charges against Kalshi for allegedly operating an illegal gambling business.
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CNN broke the news in Atlanta, United States on Monday, March 30, 2026.
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