James Comer launches investigation into prediction markets Kalshi and Polymarket over insider trading concerns
James Comer has initiated an investigation into prediction market platforms Kalshi and Polymarket due to concerns over potential insider trading. The inquiry focuses on whether users have been making bets based on nonpublic government information. Both companies have been asked to provide internal records by June 5 to address these allegations.
- ▪Rep. James Comer opened a formal investigation into Kalshi and Polymarket on May 22.
- ▪The investigation is centered on suspicious trading patterns related to geopolitical events.
- ▪Comer has requested internal records from both platforms, including identity verification processes and systems for detecting anomalous trading.
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James Comer launches investigation into prediction markets Kalshi and Polymarket over insider trading concerns The House Oversight Chairman is demanding internal records from both platforms after suspicious trading patterns tied to geopolitical events raised alarms in Washington. Share Add us on Google by Editorial Team May. 22, 2026 window.sevioads = window.sevioads || []; var sevioads_preferences = []; sevioads_preferences[0] = {}; sevioads_preferences[0].zone = "01f21ccf-2092-46b1-9ac7-8c44cc782e0f"; sevioads_preferences[0].adType = "native"; sevioads_preferences[0].inventoryId = "c5700508-581b-472c-8fdd-a931cdbfc8e1"; sevioads_preferences[0].accountId = "1e47efc1-ec2d-4fca-a8b9-354e249e5095"; sevioads.push(sevioads_preferences); Rep.
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