• KLA average operating margin for 2023 was 37.14%, a 6.52% decline from 2022.
• KLA average operating margin for 2022 was 39.73%, a 8.43% decline from 2021.
• KLA average operating margin for 2021 was 36.64%, a 39.47% 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.