• Onto Innovation average operating margin for 2023 was 18.14%, a 20.26% decline from 2022.
• Onto Innovation average operating margin for 2022 was 22.75%, a 51.06% decline from 2021.
• Onto Innovation average operating margin for 2021 was 15.06%, a 1258.46% 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.