• Bank Of Montreal average operating margin for 2023 was 17.55%, a 55.76% decline from 2022.
• Bank Of Montreal average operating margin for 2022 was 39.67%, a 49.81% decline from 2021.
• Bank Of Montreal average operating margin for 2021 was 26.48%, a 50.2% increase 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.