• RLI average operating margin for 2023 was 34.55%, a 9.3% decline from 2022.
• RLI average operating margin for 2022 was 31.61%, a 13.87% increase from 2021.
• RLI average operating margin for 2021 was 27.76%, a 107.32% 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.