Prediction market platform Kalshi has ended its advisory relationship with Donald Trump Jr. after his venture capital firm increased its investment in rival Polymarket, Reuters reported Thursday.
A Kalshi spokesperson told Reuters that talks about ending Trump Jr.’s advisory role began in August, after Trump Jr.’s venture capital firm, 1789 Capital, took the lead on Polymarket’s $1 billion funding round. The round would value the company at $21 billion, with 1789 Capital set to contribute about $300 million.
“We have mutually agreed to end Don’s advisory role after his firm’s significant investment in a competitor this past summer,” the spokesperson said.
Trump Jr. joined Kalshi as a strategic adviser in January 2025 and received an equity stake reportedly worth $300,000 at the time, according to the Financial Times.
Kalshi’s spokesperson said political considerations played no role in the decision. Two people…
