• ATI average gross margin for 2023 was 18.81%, a 11.3% increase from 2022.
• ATI average gross margin for 2022 was 16.9%, a 74.59% increase from 2021.
• ATI average gross margin for 2021 was 9.68%, a 26.22% increase from 2020.

Gross margin can be defined as a company's total sales revenue minus its cost of goods sold, divided by the total sales revenue, expressed as a percentage.