• Main Street Capital average operating margin for 2024 was 67.05%, a 0.51% decline from 2023.
• Main Street Capital average operating margin for 2023 was 66.71%, a 3.91% increase from 2022.
• Main Street Capital average operating margin for 2022 was 64.2%, a 2.87% increase from 2021.

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.