Comer widens prediction-market insider-trading probe to 5 firms

Letters demand records on identity checks & how each platform polices non-public information.

The hit

House committee chairman James Comer has pulled Hyperliquid Labs, Crypto.com & Aristotle Exchange (PredictIt’s operator) into his prediction market insider-trading investigation, according to tokenpost.com. Letters sent Tuesday to the three CEOs demand records on identity verification & steps taken to stop trading on non-public information.

Why it matters

The probe now reaches beyond dedicated prediction markets into crypto-linked trading venues, meaning more platforms face scrutiny over whether bettors with inside knowledge can profit unchecked. Comer says some people are using non-public information to place bets & make thousands of dollars.

The record

Letters sent	Tuesday, to CEOs of Hyperliquid Labs, Crypto.com & Aristotle Exchange (Rep. James Comer)
Platforms already under investigation	Kalshi & Polymarket
Alleged conduct	Bettors using non-public information to make thousands of dollars (Comer)

What happens next

Watch for the three companies’ responses to Comer’s records request & whether the committee schedules hearings once submissions are reviewed.

Sources: Rep. James Comer expands House investigation into prediction market insider trading

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