Interbank Rate in Belgium decreased to -0.40 percent in June from -0.36 percent in May of 2019. Interbank Rate in Belgium averaged 3.26 percent from 1989 until 2019, reaching an all time high of 10.63 percent in January of 1990 and a record low of -0.40 percent in June of 2019. In Belgium, the interbank rate is the rate of interest charged on short-term loans made between banks. This page provides – Belgium Three Month Interbank Rate – actual values, historical data, forecast, chart, statistics, economic calendar and news.