• EBay average net profit margin for 2023 was 18.59%, a 28.64% increase from 2022.
• EBay average net profit margin for 2022 was 26.05%, a 75.12% decline from 2021.
• EBay average net profit margin for 2021 was 104.72%, a 52.48% decline from 2020.

Net profit margin can be defined as net Income as a portion of total sales revenue.