White House staff were warned last month not to use insider information to place bets on predictions markets.
The email was sent to staff on 24 March, a day after US President Donald Trump announced a five-day pause on his threat to attack Iranian power plants and energy infrastructure.
It referred to press reports that raised concerns over government officials using non-public information to place bets on platforms like Kalshi or Polymarket.
White House spokesman Davis Ingle told the BBC that “any implication that Administration officials are engaged in such activity without evidence is baseless and irresponsible reporting.”
Ingle also said that all federal employees are subject to government ethics guidelines that prohibit the use of insider information for financial gain.



Self serving aside, this is one of the greatest threats to any entity’s opsec with massive bet spikes acting as an early warning system to its foes.
Voidzilla said in his video that people were using these markets to know if they should go to a bomb shelter or not.