• Verona Pharma American Depositary Share average return on investment for 2023 was -20.93, a 49.37% increase from 2022.
• Verona Pharma American Depositary Share average return on investment for 2022 was -41.34, a 0.93% decline from 2021.
• Verona Pharma American Depositary Share average return on investment for 2021 was -40.96, a 57.21% 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.