WASHINGTON, March 30 -- Sen. Mark R. Warner issued the following press release:

U.S. Sen. Mark R. Warner (D-VA) joined over 40 other lawmakers in writing to the Commodity Futures Trading Commission (CFTC) and the Office of Government Ethics (OGE) to urge the agencies to address illegal insider trading in prediction markets by federal employees.

Since January, multiple incidents have prompted heavy concern about possible insider trading in prediction markets by federal employees, including when a Polymarket user made $400,000 by betting on the capture of Venezuela's former leader, Nicolas Maduro, and when prediction market users projected that White House Press Secretary Karoline Leavitt's speech would last for less than 65 minutes and pro...