• CSX average operating margin for 2023 was 39.28%, a 5.8% decline from 2022.
• CSX average operating margin for 2022 was 41.7%, a 5.57% decline from 2021.
• CSX average operating margin for 2021 was 44.16%, a 7.73% 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.