• EBay average gross margin for 2024 was 72.04%, a 0.32% decline from 2023.
• EBay average gross margin for 2023 was 72.27%, a 0.88% decline from 2022.
• EBay average gross margin for 2022 was 72.91%, a 5.5% decline from 2021.

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.