[White House Warns Staff Against Using Insider Information for Prediction Market Trading] Odaily Planet Daily News – The White House has internally reminded staff not to use policy-related insider information for trading in prediction markets. The warning was issued on March 23, coinciding with U.S. President Trump's announcement of a pause on actions against Iran. Reports indicate that unusual trading activity occurred in the market prior to the policy change announcement, with a significant surge in oil futures trading volume within a short period. Meanwhile, certain accounts on Polymarket profited from accurately predicting related events, raising concerns about information asymmetry. The White House has confirmed the issuance of the warning and emphasized that decisions are guided by public interest. (WSJ)