• Discover Financial Services average return on investment for 2023 was 10.52, a 24.96% increase from 2022.
• Discover Financial Services average return on investment for 2022 was 14.02, a 1.45% decline from 2021.
• Discover Financial Services average return on investment for 2021 was 13.82, a 270.51% increase from 2020.

Roi - return on investment can be defined as an indicator of how profitable a company is relative to its assets invested by shareholders and long-term bond holders. Calculated by dividing a company's operating earnings by its long-term debt and shareholders equity.