. Since September 2008, due to worsening global liquidity, limited access to domestic banks to foreign borrowing, capital outflows and an increase in demand for foreign currency National bank of Ukraine intervened by selling U.S. dollars to maintain exchange rate stability in the country amounting to 150.3 million dollars U.S. in September and 4 114.8 million U.S. dollars in October 2008 [7]. This was one of the factors reducing the hryvnia liquidity of the domestic banking system, but its effect was compensated by the NBU carried out operations on refinancing banks, whose volume in September and October, respectively, 6 was 047.3 mln. and 29 230.16 mln. [6]. Leveling effect of this factor on the liquidity of the banking system is connected only with the transition to a floating exchange rate, which minimizes the direct participation of the National Bank of Ukraine in the regulation of the currency market through intervention. Exchange rate flexibility is a prerequisite for a successful transition to a regime of monetary policy based on price stability, which is scheduled to medium-term strategy of monetary policy the National Bank of Ukraine. The gradual transition to a flexible exchange rate is determined one of the problems in the basic principles of monetary policy in recent years. Orientation of the National Bank of Ukraine for more exchange rate flexibility to reflect the changes projected exchange rate of hryvnia to U.S. dollar, made to the basic principles of monetary policy in 2008. The Basic Principles of monetary policy in 2008 predictable rate of the hryvnia against the U.S. dollar was defined at 15.09.2008 4,85 ± 4%, with 07.10.2008r. - 4,85 ± 8%, and from 27.10.2008 p. - Withdrawn from the projected rates of monetary sphere. Category: Liquidity of the banking system of Ukraine | Tags: banking system liquidity, declining