BlockBeats News, December 23rd, the probability of betting on Michael Haslett, Director of the National Economic Council, to become the next Federal Reserve Chair on Polymarket is 61%. In addition, the probability of Yellen being elected is 21%, and the probability of Powell being elected is 10%.Previously, according to CNBC, sources familiar with the matter revealed that U.S. President Trump may appoint a new Federal Reserve Chair in the first week of January next year.