Oversight Chair James Comer demands info from Kalshi, Polymarket CEOs over alleged insider trading
House Oversight Committee Chairman James Comer is investigating Kalshi and Polymarket for alleged insider trading. He has requested internal records from both companies to assess their compliance with legal obligations. The investigation aims to uncover insider trading practices and potentially lead to new legislation restricting participation in prediction markets by government officials.
- ▪James Comer has demanded information from the CEOs of Kalshi and Polymarket regarding insider trading allegations.
- ▪He has ordered the companies to provide documents detailing their identity verification and transaction monitoring processes by June 5.
- ▪The investigation follows concerns that government employees may exploit insider knowledge for financial gain on prediction markets.
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
- ▪ James Comer starts investigation into Kalshi and Polymarket over insider trading — Washington Examiner
- ▪ 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
- ▪ 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 | New York Post |
| Canonical URL | https://nypost.com/2026/05/22/business/james-comer-demands-info-from-kalshi-polymarket-ceos-on-alleged-insider-trading/ |
| Publication time | Fri, 22 May 2026 11:02:15 -0400 |
| Retrieval time | 2026-05-22T15:03:10.149Z |
| Last seen | 2026-05-22T15:03:10.149Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | h1zwwsfaC3yp · 10 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
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| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
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| Commercial reuse | May the content be reused commercially? | Not permitted |
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Opening excerpt (first ~120 words) tap to expand
Business Oversight Chair James Comer demands info from Kalshi, Polymarket CEOs over alleged insider trading By Taylor Herzlich Published May 22, 2026, 11:02 a.m. ET See more of our coverage in your search results. Add The New York Post on Google House Oversight Committee Chairman James Comer is demanding information from the CEOs of Kalshi and Polymarket over accusations the prediction markets have allowed insider trading to run rampant. Internal records “are the only means by which bad actors can be identified and to determine whether platforms are meeting their legal obligations,” the Kentucky Republican wrote in a letter sent Friday to Polymarket CEO Shayne Coplan that was obtained by CNBC. A similar missive was sent Friday to Kalshi CEO Tarek Mansour, too. 4 Rep.
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