net interest
noun [ U ]
FINANCE, BANKING, TAX ukusthe rate of interest earned by a bank account or an investment after tax has been paid:
A saver now gets 3.22% net interest on £2,500 in one of our accounts.
the difference between the interest received by a person or an organization from investments and the interest they pay for money they have borrowed:
The bank's net profit rose 4.2% in the six months ended June thanks to higher net interest income and lower costs.