Interesting changes happen to monetary base of the National Bank of Belarus. Firstly, the National Bank has begun to support banks with liquidity for the first time since April, 2016 (nearly two years later). So far early to speak about the change of a trend and about the transition of system to other condition, but this fact deserves attention. Secondly, the remains on correspondent accounts of commercial banks reached unknown maxima. This fact is related to the first one.