Gabriel Perez, a long-time technical assistant to Donald Trump, has been placed on unpaid administrative leave after allegations he bet over $US100,000 on prediction markets based on Trump's speeches.

The White House confirmed the claims, with press secretary Karoline Leavitt stating Perez's actions were 'deeply unfortunate' and a 'disgrace'.Prediction market firm Kalshi flagged suspicious trading patterns in March, leading to the freezing of Perez's account.

The allegations come amid broader concerns about insider trading within Trump's administration, including a separate case involving a US Army soldier accused of using classified information for bets.

While the White House insists no other staff are under investigation, critics argue the incident highlights systemic issues of ethical breaches in political circles.The controversy coincides with Trump's upcoming primetime address, where he plans to promote voting regulations changes.The case underscores ongoing debates about the intersection of politics, financial markets, and ethical conduct in public office.