• Deutsche Telekom AG average return on investment for 2023 was 9.93, a 155.27% decline from 2022.
• Deutsche Telekom AG average return on investment for 2022 was 3.89, a 41.45% increase from 2021.
• Deutsche Telekom AG average return on investment for 2021 was 2.75, a 8.33% 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.