• GSK average return on investment for 2023 was 36.27, a 57.29% decline from 2022.
• GSK average return on investment for 2022 was 23.06, a 116.53% increase from 2021.
• GSK average return on investment for 2021 was 10.65, a 24.63% 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.