net interest margin
noun[C]
BANKING,FINANCEukusthedifferencebetween theinterestthat abankpaystopeoplewithmoneyin thebankand theinterestreceivedfrompeopleborrowingmoney:
the net interest margin rises/fallsThe bank'snetinterestmargin, akeymeasureofloanprofitability,roseto 4.61% from 4.52%.