The WACC of OSI Systems Inc (OSIS) is 9.4%.
| Range | Selected | |
| Cost of equity | 8.20% - 12.50% | 10.35% |
| Tax rate | 19.30% - 20.40% | 19.85% |
| Cost of debt | 4.40% - 4.80% | 4.60% |
| WACC | 7.5% - 11.2% | 9.4% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.95 | 1.36 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 8.20% | 12.50% |
| Tax rate | 19.30% | 20.40% |
| Debt/Equity ratio | 0.17 | 0.17 |
| Cost of debt | 4.40% | 4.80% |
| After-tax WACC | 7.5% | 11.2% |
| Selected WACC | 9.4% | |