• Comerica average operating margin for 2023 was 31.26%, a 21.91% decline from 2022.
• Comerica average operating margin for 2022 was 40.03%, a 13.35% decline from 2021.
• Comerica average operating margin for 2021 was 46.2%, a 100.96% 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.