To maintain financial stability, the NBU changed its operational design, supplied the financial system with the necessary liquidity, and took a number of steps to support the financial sector. In addition, to ensure the continuity of critical government expenditures, the NBU purchased domestic government debt securities. The central bank's rapid response enabled the banking system to survive the earliest, panic-vulnerable stage of the war.
Subsequently, to overcome economic imbalances that were accumulating fast amid an unprecedented shock, the NBU launched the stabilization of its monetary policy by raising its key policy rate to 25% and weakening the official exchange rate by 25%. Coupled with revived support from international donors, this also preserved Ukraine's international reserves at a relatively convenient level.