Net Interest Margin for Banks in Montana (DISCONTINUED) was 3.94% in July of 2020, according to the United States Federal Reserve. Historically, Net Interest Margin for Banks in Montana (DISCONTINUED) reached a record high of 6.13 in January of 1994 and a record low of 3.53 in January of 2013. Trading Economics provides the current actual value, an historical data chart and related indicators for Net Interest Margin for Banks in Montana (DISCONTINUED) - last updated from the United States Federal Reserve on March of 2024.