# Democrats demand White House disclose staff betting on prediction markets

> Senators Warren and Merkley want answers on whether Trump administration employees are using inside information to trade on prediction market platforms.
- Title: Democrats demand White House disclose staff betting on…
- Summary: Senators Warren and Merkley want answers on whether Trump administration employees are using inside information to trade on prediction market platforms.
- Keywords: elizabeth warren, jeff merkley, white house, prediction markets, insider trading, kalshi, polymarket, gabriel perez, donald trump, senate banking committee, Fortune
- Source: Fortune — https://fortune.com/2026/11/10/democrats-white-house-prediction-market-betting-staff
- Author: Camila Grigera Naón
- Read time: 1 min
- Topics: elizabeth warren, jeff merkley, white house, prediction markets, insider trading, kalshi, polymarket, gabriel perez, donald trump, senate banking committee
## Senators demand White House safeguards
Sens. Elizabeth Warren of Massachusetts and Jeff Merkley of Oregon sent a letter to White House counsel Will Scharf on Monday asking what safeguards prevent staff from using confidential government information to profit from prediction…

> It has been four months since this White House insider trading scandal came to light, and we write to you to understand what further steps, if any, your office is taking to prevent abuses of power.
## Trump teleprompter operator's betting case
Gabriel Perez, President Donald Trump's longtime teleprompter operator, allegedly made over one hundred thousand dollars on prediction market Kalshi by betting on which words Trump would use in more than a dozen speeches.
## Perez settles with regulators
Perez reached a settlement with the Commodity Futures Trading Commission that required him to surrender his profits, pay a penalty, and agree to a three-year trading ban.
## Pattern of insider betting cases
Federal prosecutors charged a U.S.soldier with using classified information to make more than four hundred thousand dollars on Polymarket bets tied to the capture of Venezuelan leader Nicolás Maduro.
## Democrats plan broader scrutiny ahead
Warren is expected to chair the Senate Banking Committee when Democrats retake control of Congress in January, giving her a powerful platform to investigate prediction markets.Rep.

> sports betting disguised as financial trading
## Key takeaway

Two Democratic senators are pressing the White House to reveal what safeguards prevent staff from using confidential information to profit on prediction markets.