• Phillips 66 average return on investment for 2023 was 19.1, a 1.92% decline from 2022.
• Phillips 66 average return on investment for 2022 was 18.74, a 992.38% increase from 2021.
• Phillips 66 average return on investment for 2021 was -2.1, a 59.92% 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.