Two insider trading cases in prediction markets were both proactively reported by Polymarket

Odaily Planet Daily News: Recently, the U.S. Department of Justice indicted Google software engineer Michele Spagnuolo, accusing him of using confidential internal Google information to trade on the prediction market Polymarket, profiting illegally by approximately $1.2 million.

Polymarket stated on the X platform that Michele Spagnuolo's insider trading activities were flagged early by its market integrity system. Polymarket proactively filed a criminal report with judicial authorities, ultimately leading to the successful arrest of Michele Spagnuolo. Polymarket claims that both insider trading cases leading to arrests in the prediction market space originated from criminal reports filed by this platform.

The other individual arrested by the U.S. Department of Justice for insider trading on prediction markets is Gannon Ken Van Dyke. As a U.S. military participant involved in the capture operation of Maduro, he used inside information to profit over $409,000 on the prediction market. He was arrested on April 23rd.