• Obayashi average return on investment for 2023 was 4.57, a 26.65% decline from 2022.
• Obayashi average return on investment for 2022 was 6.23, a 15.12% decline from 2021.
• Obayashi average return on investment for 2021 was 7.34, a 21.33% 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.