Banks

NII — Net Interest Income

Interest revenue minus interest expense. Core bank revenue.

Definition

Net interest income is what a bank earns on its loans minus what it pays on its deposits and other funding. The core revenue stream of a traditional banking business.

Formula

Interest Income − Interest Expense

Why it matters

NII makes up the majority of revenue at most traditional banks. Growth in NII reflects either balance sheet expansion (lending more) or NIM expansion (earning more on what's lent) — both are the core ways a bank franchise grows.

How Standard Equity uses it

Shown in the bank financial table (substituted for FCF margin). Drives the NII Growth metric.

The metric

CategoryBanks
Unit$M
Applies toBanks only
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