James Comer starts investigation into Kalshi and Polymarket over insider trading
The House Committee on Oversight and Government Reform is investigating prediction market companies Kalshi and Polymarket for alleged insider trading. Rep. James Comer expressed concerns about the adequacy of safeguards against regulatory loopholes and insider trading activities. The investigation follows reports of politicians placing bets on their own elections and potential exploitation of sensitive information for profit.
- ▪Rep. James Comer announced an investigation into Kalshi and Polymarket over insider trading allegations.
- ▪The committee is examining the companies' safeguards against regulatory loopholes and suspicious trading activity.
- ▪Several politicians have reportedly placed bets on their own elections, raising concerns about insider trading.
8 outlets in our directory ran this story, first to last over 14 hours. Coverage spans 3 points on the political spectrum — 1 lean left, 5 centre, 1 right.
- ▪ James Comer launches investigation into prediction markets Kalshi and Polymarket over insider trading concerns — Crypto Briefing
- ▪ Comer launches investigation into prediction markets insider trading — The Hill
- ▪ House lawmakers launch insider trading probe into Kalshi and Polymarket — CBS News — Top
- ▪ House Oversight chair launches probe into insider trading on Kalshi and Polymarket — r/CryptoCurrency
- ▪ Oversight Chair James Comer demands info from Kalshi, Polymarket CEOs over alleged insider trading — New York Post
- ▪ House Oversight is probing prediction markets for insider trading tied to Iran war bets — Quartz
- ▪ Comer launches congressional probe into insider trading on Kalshi, Polymarket — CNBC — Top
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| Original publisher | Washington Examiner |
| Canonical URL | https://www.washingtonexaminer.com/policy/technology/4580168/james-comer-investigation-kalshi-polymarket-insider-trading/ |
| Publication time | Fri, 22 May 2026 21:40:47 +0000 |
| Retrieval time | 2026-05-22T21:42:02.993Z |
| Last seen | 2026-05-22T21:51:45.654Z |
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Opening excerpt (first ~120 words) tap to expand
The top Republican on the House Committee on Oversight and Government Reform announced Friday that the panel is launching an investigation into prediction market companies Kalshi and Polymarket over allegations of insider trading and exploiting regulatory loopholes. Rep. James Comer (R-KY) said lawmakers are examining the “adequacy of company safeguards to prevent access to offshore sites to circumvent compliance with applicable U.S. federal regulations governing prediction market platforms,” in a Friday letter sent to Kalshi CEO Tarek Mansour.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Washington Examiner.
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