Donald Trump Jr.'s firm, 1789, led the latest investment round into competing prediction venue Polymarket, prompting his departure from Kalshi. He had initially taken on the strategic advisory role in January 2025, receiving an equity stake in Kalshi valued at $300,000. Representatives for Polymarket and Trump Jr. did not immediately provide comment on the conclusion of the advisory deal. Meanwhile, platforms in the sector face mounting scrutiny from congressional Democrats concerned about potential insider trading.
Key points
Direct financial ties between an advisor's venture firm and a primary rival created an un…: Direct financial ties between an advisor's venture firm and a primary rival created an unsustainable conflict for Kalshi.
The separation was formally characterized by Kalshi as a mutual decision with appreciatio…: The separation was formally characterized by Kalshi as a mutual decision with appreciation for prior marketing help.
Broader prediction platforms are bracing for federal regulatory pushback led by lawmakers…: Broader prediction platforms are bracing for federal regulatory pushback led by lawmakers like Senator Elizabeth Warren over insider trading risks.
Sources checked by our analysis pipeline: 1
"We have mutually agreed to end Don's advisory role after his firm's significant investment in a competitor this past summer. We are grateful for his contributions in helping us market Kalshi to more customers," the spokesperson said, adding that the decision was mutual and the conversations to end the contract started in August since 1789 led Polymarket's most recent funding round.
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Trump Jr was named a "strategic advisor" to Kalshi in January 2025 and was given a stake in the company that the Financial Times reported at the time was worth $300,000.
Prediction markets first rose to prominence in 2024 as they strongly diverged from traditional opinion polls by signaling a Trump victory. Kalshi, at the time, boasted about the accuracy of its own polls, while criticizing other polls and "traditional media" for failing to anticipate Trump's "decisive victory."
Now, such platforms face the prospect of heightened scrutiny from Democrats in the US Congress. Senator Elizabeth Warren, for instance, has vowed to…
The transition ends a potential conflict of interest after the former advisor's venture firm, 1789 Capital, acquired a significant stake in a direct competitor. This split comes at a sensitive moment for the sector as a shift in congressional control brings anticipated regulatory scrutiny. Industry participants now face an evolving landscape under impending federal oversight.
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