• Lam Research average operating margin for 2023 was 28.98%, a 7.91% decline from 2022.
• Lam Research average operating margin for 2022 was 31.47%, a 2.47% decline from 2021.
• Lam Research average operating margin for 2021 was 30.71%, a 12% 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.