• First Citizens BancShares average operating margin for 2023 was 63.1%, a 103.02% decline from 2022.
• First Citizens BancShares average operating margin for 2022 was 31.08%, a 24.25% increase from 2021.
• First Citizens BancShares average operating margin for 2021 was 41.03%, a 23.58% 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.