Currently, monetary policy requires a modified approach that is resilient to sudden and unexpected changes in the macroeconomic scenario. Measures that prove effective in one macroeconomic environment may have unintended consequences when conditions suddenly change. The theme of the relationship between monetary policy and financial stability is a current one in the context of the problems that the world economy has gone through and continues to go through. Thus, the measures taken by the central banks exerted a different impact than expected, given that inflation increased considerably, and the base interest rate did not fulfill its function of mitigating the negative consequences, and a negative impact on financial stability was also identified.