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Kalshi ends Donald Trump Jr. advisory deal over Polymarket ties

Kalshi, a prediction market platform, has ended its advisory contract with Donald Trump Jr. over his ties to rival Polymarket. Louisiana's attorney general has also sued Kalshi and four other platforms.

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Kalshi, a prediction market platform where users trade on the outcome of future events, has ended its contract with Donald Trump Jr., who had worked as an advisor to the company. The decision came days after senators flagged his ties to a rival.

Trump Jr.'s firm has invested in Polymarket, which made his role at Kalshi a question of conflicting interests. Senators had raised the matter before the company acted.

In numbers

5platforms named in Louisiana suit

The move underscores why platforms need to manage conflicts of interest, particularly when they are raising new capital and need to keep competition fair.

Such platforms are also in many legal disputes with state authorities, which argue they run illegal betting sites. Louisiana's attorney general has sued Kalshi, Polymarket, Robinhood, Coinbase and Gemini over prediction markets.

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