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U.S. House oversight chair launches probe into Kalshi and Polymarket over insider trading
May 22, 2026
< 1 min read
by Collins J. Okoth
for CryptoPolitan
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The House Committee on Oversight and Government Reform is probing prediction-market platforms Polymarket and Kalshi over suspected insider trading. The inquiry heightens regulatory and compliance risk for crypto prediction markets and could weigh on adoption, fundraising, token launches and market integrity amid increased scrutiny of trading security.
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The House Committee on Oversight and Government Reform is probing Polymarket and Kalshi over suspected insider trading.
