Kalshi ends Donald Trump Jr. advisory role over Polymarket ties
Kalshi has ended Donald Trump Jr.’s advisory role with the company after his firm, 1789 Capital, increased its investment in Polymarket earlier this year. “We have mutually agreed to end Don’s advisory role after his firm’s significant investment in a competitor this past summer,” Kalshi spokesperson Dani Lever said in a statement. “We are grateful...
The prediction platform Kalshi has ended its collaboration with Donald Trump Jr. The decision comes after a significant investment Trump Jr.'s firm made in a rival company, Polymarket, in the summer of 2026. Kalshi's spokesperson expressed gratitude for Trump Jr.'s contributions to marketing the platform to more customers. Trump Jr., who joined Kalshi as a strategic adviser in January 2025, is one of multiple business ventures by the Trump family since his presidency began in 2025.
In August 2026, Polymarket announced that Trump Jr. joined their advisory board following an investment by 1789 Capital, of which he is a partner. Kalshi and Polymarket are two major players in the growing US prediction market, where customers can bet on sports events, elections, and financial markets. New York state recently sued Kalshi, accusing it of running an illegal gambling operation, citing state gambling laws that protect children and combat gambling addiction.
Kalshi faces similar legal challenges in multiple US states, with gaming regulators issuing cease-and-desist orders or filing lawsuits accusing the platform of operating an unlicensed gambling business.
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