[Probability of Fed Cutting Rates by 25 Basis Points in December Reaches 87%] CME 'FedWatch' data shows that the probability of the Federal Reserve cutting rates by 25 basis points in December is 87%, while the probability of maintaining rates unchanged is 13%. By January next year, the cumulative probability of a 25 basis point rate cut is 64.1%, the probability of maintaining rates unchanged is 9%, and the cumulative probability of a 50 basis point rate cut is 27%.