Donald Trump Jr. is no longer a paid adviser for Kalshi, the prediction market company said Thursday
Gannon Van Dyke took part in the U.S. military raid that captured Maduro.
The possible penalty could cost Kalshi an estimated $36 billion.
The decision sides with the Trump administration in a high-profile clash.
Prediction markets like Kalshi and Polymarket are under scrutiny from lawmakers.
Gannon Ken Van Dyke pleaded not guilty to making $400,000 on Polymarket.