where 
for instance in 2022 capital one financial corporation cof had 31 24 billion in interest income with an average yield of 7 68 its interest bearing liabilities for the year totaled 4 12 billion with an average yield of 1 25 for 2022 the bank had an interest rate spread of 6 43 or 27 1 billion from its interest bearing activities 1capital one 2022 annual reportnet interest rate spread vs net interest marginnet interest margin is different because it accounts for other funding sources or income that don t fit a corporation s accounting definitions such as investments or accounts that don t bear interest for example on its fy 2022 annual report capital one s net interest spread was 6 43 but after accounting for the impact of 0 24 in non interest bearing funding its net interest margin was 6 67 1its annual report doesn t explain what it considers non interest bearing funding only that it has a notional impact that affects its net interest margin 2