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Kalshi Ends Trump Jr. Advisory Role After Polymarket Investment

Makkler Newsroom
November 12, 2026 · Based on reporting by CNA, The Economic Times, CNBC
Photo: Shealeah Craighead / Wikimedia Commons · Public domain

Kalshi said it mutually ended Donald Trump Jr.’s advisory contract after 1789 Capital became a major investor in rival Polymarket.

Key takeaways

  • Kalshi ended Donald Trump Jr.’s advisory contract after his firm invested in Polymarket.
  • Conversations about ending the role began in August, according to Kalshi’s spokesperson.

Kalshi has ended Donald Trump Jr.’s advisory contract after his venture capital firm, 1789 Capital, increased its stake in rival Polymarket. A Kalshi spokesperson said the decision was mutual.

The spokesperson said talks about ending the role began in August, after 1789 Capital led Polymarket’s latest funding round. The spokesperson described Kalshi as a $40 billion startup.

Trump Jr. became a strategic advisor to Kalshi in January 2025. The Financial Times reported at the time that he received a stake worth $300,000.

Prediction markets face the prospect of increased scrutiny from Democrats in Congress. Senator Elizabeth Warren has vowed to crack down on insider trading on the platforms.

Topics
KalshiPolymarketDonald Trump Jr.1789 Capital

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