Legal

Kalshi probes suspicious trades on Trump press secretary pick

Published Oct 9, 2026

Prediction market platform Kalshi is investigating a series of trades that correctly predicted Katie Zacharia as President Trump's new White House press secretary before the appointment was publicly announced. The probe, reported by the Wall Street Journal on October 9, focuses on whether traders had access to non-public information about the selection. Zacharia was not previously seen as a frontrunner for the position.

Why this matters?

This probe arrives while the CFTC is already investigating former Rep. Kinzinger for allegedly trading on non-public information about his own pardon on Kalshi. The agency and House Oversight are racing to find a headline case that justifies mandatory surveillance rules. Kalshi now faces pressure on two fronts: prove its internal detection works, or become the example that shapes legislation.

A confirmed insider-trading finding in either case would give Congress concrete evidence to demand real-time monitoring of government personnel contracts. The platform that cannot produce clean records or explain its insider-screening will set the compliance bar every competitor must clear. Kalshi's self-initiated probe is a bid to stay ahead of that outcome.

In this story
Add Prediction News as a preferred source on GoogleGet our prediction-market coverage prioritized in your search results

Related Stories

More in Legal
Legal

Kalshi probing suspicious trades tied to Trump's pick of new press secretary

Legal

CFTC proposes treating event contracts as swaps to claim exclusive federal jurisdiction

Legal

CFTC probes former Rep. Kinzinger for Kalshi bets on his own pardon

Legal

CFTC opens rulemaking on mention-market manipulation risks

Legal

CNN flags insider trading risks in Kalshi and Polymarket midterm markets

Legal

UK MP urges action as Polymarket lists bank-failure bets on HSBC and Lloyds