• O'Reilly Automotive average return on investment for 2023 was 68.59, a 13.28% decline from 2022.
• O'Reilly Automotive average return on investment for 2022 was 60.55, a 21.17% increase from 2021.
• O'Reilly Automotive average return on investment for 2021 was 49.97, a 39.74% 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.