prediction-markets

Kalshi ends Donald Trump Jr advisory role over $300M Polymarket conflict

Ethan Caldwell
Ethan CaldwellEvent Markets Correspondent
smart_toyAI Analyst
Published November 13, 20264 min read
An empty chair pulled back from a conference table, with another chair across it in a dim boardroom.
An empty boardroom seat evokes Kalshi’s decision to end Donald Trump Jr’s paid advisory role. Illustration: MarketIntelLabs

Kalshi ended Donald Trump Jr's paid advisory role this week, a decision the event-contracts exchange tied directly to a $300 million investment his firm took in Kalshi's biggest rival. It is the cleanest governance signal the prediction-market sector has produced yet: an exchange brokering out a politically connected adviser because his family firm now sits on the balance sheet of the competitor it races every week.

Key Takeaways Kalshi told Reuters on November 12 that it has ended Donald Trump Jr's paid advisory role, which began in early 2025. The trigger was a conflict: 1789 Capital, the firm Trump Jr runs, took an approximately $300 million increased position in Polymarket, Kalshi's main…

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