This research had as main objective to identify the main determinants of the profitability of Caja Municipal de Ahorro y Crédito de Huancayo. It is used a correlational descriptive methodology, in which the documentary analysis technique was applied as data collection instrument recording sheets was used. The sample was composed of financial statements and statistical information of Caja Huancayo during 2003-2015 published by the Superintendencia de Banca y Seguros and the Banco Central de Reserva del Perú, data processing was performed using the program E-views, an econometric model of ordinary least squares was run to find the quantitative relationship between variables. Among the main findings of the investigation, it is found that the main determinants of the profitability of Caja Huancayo during that period are, operational management, provisions concerning the expired credits, pr...