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Donald Trump Jr. ended his paid advisory role at Kalshi after 1789 Capital increased its investment in Polymarket.
Kalshi said the two sides mutually agreed to end Trump Jr.’s role after his firm, 1789 Capital, increased its investment in competitor Polymarket. Trump Jr. became a paid strategic adviser to Kalshi in January 2025 and has invested in Polymarket since August 2025.
What the reports agree on
- Trump Jr. ended his advisory role at Kalshi. ABC News, Guardian World, The Hill
- Kalshi said the role ended by mutual agreement. ABC News, Guardian World, The Hill
- 1789 Capital increased its investment in Polymarket, a competitor to Kalshi. ABC News, Guardian World, The Hill
- Trump Jr. became a paid strategic adviser to Kalshi after Donald Trump began his second presidential term in January 2025. ABC News, Guardian World
- Trump Jr. has invested in Polymarket since August 2025. ABC News, Guardian World
- The Commodity Futures Trading Commission has supported efforts to expand prediction market products nationwide, including sports-related contracts. ABC News, Guardian World
Reported by one outlet
- Kalshi said Trump Jr. helped the company market its services to more customers. Guardian World
- Kalshi and Polymarket have denied that their financial ties to the Trump family influenced industry regulation. Guardian World