The present investigation determines the type of relationship between the Loreto consumer price index with the nominal exchange rate during the period from 2010 to 2020, in addition; determines the variation of the Loreto consumer price index and the nominal exchange rate and the degree of correlation between the Loreto consumer price index with the nominal exchange rate. is also determined. The research methodology is quantitative and non-experimental design and due to the periodicity of the study, it’s considered research with a longitudinal design type. In the results, Specific Hypothesis 1 is accepted: The variation of the Loreto consumer price index is positive. Likewise, Specific Hypothesis 2 is Accepted: The variation of the nominal exchange rate is positive during the period from 2010 to 2020. General Hypothesis is accepted: The relationship between the Loreto consumer price in...