United States - Net Interest Margin for U.S. Banks with average assets between $100M and $300M (DISCONTINUED) was 3.74% in July of 2020, according to the United States Federal Reserve. Historically, United States - Net Interest Margin for U.S. Banks with average assets between $100M and $300M (DISCONTINUED) reached a record high of 5.66 in January of 1994 and a record low of 3.71 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Net Interest Margin for U.S. Banks with average assets between $100M and $300M (DISCONTINUED) - last updated from the United States Federal Reserve on April of 2026.