[White House Press Secretary Suddenly Ends Briefing, Traders Earn 50x Returns as a Result] BlockBeats reports that on January 9, the probability of 'White House Press Secretary Karoline Leavitt speaking for 65 minutes or more during the January 7 White House press briefing' on the prediction platform Kalshi originally reached 98%. However, Karoline Leavitt suddenly ended the briefing in the final seconds. Traders who bet on 'No' earned 50x returns within seconds.