# Trump Jr. quits Kalshi advisory role over Polymarket stake

> Donald Trump Jr. has ended his advisory contract with prediction market platform Kalshi after his venture capital firm took a stake in rival Polymarket, citing a conflict of interest.
- Title: Trump Jr. quits Kalshi advisory role over Polymarket stake
- Summary: Donald Trump Jr. has ended his advisory contract with prediction market platform Kalshi after his venture capital firm took a stake in rival Polymarket…
- Keywords: donald trump jr, kalshi, polymarket, 1789 capital, prediction markets, conflict of interest, CNBC
- Source: CNBC — https://cnbc.com/2026/11/12/donald-trump-jr-exits-kalshi-advisory-role.html
- Author: Contessa Brewer,Ananya Chetia
- Published: 2026-11-12T19:14:40+00:00
- Read time: 1 min
- Topics: donald trump jr, kalshi, polymarket, 1789 capital, prediction markets, conflict of interest, business, finance
## Trump Jr. exits Kalshi advisory role
Prediction market platform Kalshi ended its advisory contract with Donald Trump Jr. after his venture capital firm 1789 Capital took a major stake in rival platform Polymarket.
## Mutual decision over conflict of interest
Both Kalshi and Trump Jr. agreed it was a conflict of interest to keep the president's son as an advisor while serving as a top investor for Polymarket. Conversations on his exit began in August.

> it was a conflict of interest to keep the president's son as an advisor while serving as a top investor for Polymarket
## Democrats' crackdown threatens prediction markets
Trump Jr.'s departure comes as Democrats secured a majority in the House and Senate, expected to crack down on the prediction market industry. His ties could make prediction markets an easy target for lawmakers.
## Key takeaway

Donald Trump Jr. ended his advisory role at Kalshi after his firm 1789 Capital invested in rival prediction market Polymarket, both sides agreeing the arrangement posed a conflict of interest.