• Old National Bancorp average operating margin for 2023 was 34.02%, a 39.94% decline from 2022.
• Old National Bancorp average operating margin for 2022 was 24.31%, a 37.68% increase from 2021.
• Old National Bancorp average operating margin for 2021 was 39.01%, a 46.16% decline from 2020.

Operating margin can be defined as operating margin measurement of what proportion of a company's revenue is left over after paying for variable costs of production such as wages, raw materials, etc.