In Costa Rica, interest rate decisions are taken by the Central Bank of Costa Rica. The official interest rate is the monetary policy rate. The monetary policy rate is the rate charged on overnight loans between financial intermediaries, is determined in the money market as a result of the interaction of demand for and supply of overnight funds. This page provides - Costa Rica Interest Rate - actual values, historical data, forecast, chart, statistics, economic calendar and news. Costa Rica Interest Rate - actual data, historical chart and calendar of releases - was last updated on September of 2018.