• Ryanair Holdings average return on investment for 2023 was 17.97, a 1896.67% decline from 2022.
• Ryanair Holdings average return on investment for 2022 was 0.9, a 109.45% increase from 2021.
• Ryanair Holdings average return on investment for 2021 was -9.52, a 114.41% decline 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.