Spain is a member of the European Union which has adopted the euro. Spain's benchmark interest rate is set by the European Central Bank. The official designation for the rate is main refinancing operation. This page provides the latest reported value for - Spain Interest Rate - plus previous releases, historical high and low, short-term forecast and long-term prediction, economic calendar, survey consensus and news. Spain Interest Rate - actual data, historical chart and calendar of releases - was last updated on September of 2018.