The process of finding the difference between the revenue generated from interest-bearing assets and the expense incurred from interest-bearing liabilities, expressed as a percentage of the average earning assets, allows for an understanding of a financial institution’s profitability from its core business activities. As an example, a bank might generate interest income from loans while simultaneously paying interest on deposits. The resulting figure, when annualized and divided by average earning assets, provides a valuable metric.
This metric is a crucial indicator of a financial institution’s success in managing its interest rate risk and its ability to generate profit from its lending and borrowing activities. Higher values generally signify better performance and more effective management of assets and liabilities. Historically, this figure has been used by analysts and regulators to assess the overall health and stability of banks and other financial firms, serving as an early warning sign of potential financial distress or a benchmark for comparing performance against peers.