FORBES · 2026-11-12 19:54 UTC

Donald Trump Jr. Leaves Kalshi Advisory Role Over Conflict With Polymarket

Kalshi ended its advisory contract with Donald Trump Jr. after his venture capital firm, 1789 Capital, significantly increased its stake in rival prediction market Polymarket. Trump Jr. joined Kalshi as a strategic advisor in January 2025 and reportedly received a $300,000 equity stake. He joined Polymarket's advisory board in August 2025, when 1789 Capital made its initial investment, and the firm later led a $1 billion Polymarket funding round in August of this year.

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