Spain Three Month Interbank Rate was quoted at -0.38 percent on Monday August 5. Interbank Rate in Spain averaged 3.47 percent from 1991 until 2019, reaching an all time high of 15.75 percent in March of 1993 and a record low of -0.40 percent in June of 2017. In Spain, the interbank rate is the rate of interest charged on short-term loans made between banks. This page provides the latest reported value for – Spain Three Month Interbank Rate – plus previous releases, historical high and low, short-term forecast and long-term prediction, economic calendar, survey consensus and news.