• KLA average pre-tax profit margin for 2023 was 35.2%, a 7.47% decline from 2022.
• KLA average pre-tax profit margin for 2022 was 38.04%, a 9.75% decline from 2021.
• KLA average pre-tax profit margin for 2021 was 34.66%, a 50.04% increase from 2020.

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