• Aspen Technology average gross margin for 2023 was 64.23%, a 156.18% increase from 2022.
• Aspen Technology average gross margin for 2022 was -114.32%, a 249.61% decline from 2021.
• Aspen Technology average gross margin for 2021 was 76.41%, a 8.84% decline 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.