• Lam Research average pre-tax profit margin for 2023 was 28.67%, a 5.94% increase from 2022.
• Lam Research average pre-tax profit margin for 2022 was 30.48%, a 1.36% decline from 2021.
• Lam Research average pre-tax profit margin for 2021 was 30.07%, a 14.16% increase from 2020.

Pre-tax profit margin can be defined as earnings before taxes as a portion of total revenue.