The WACC of Tidewater Inc (TDW) is 7.8%.
| Range | Selected | |
| Cost of equity | 7.20% - 9.30% | 8.25% |
| Tax rate | 16.50% - 27.10% | 21.80% |
| Cost of debt | 5.10% - 9.90% | 7.50% |
| WACC | 6.7% - 8.9% | 7.8% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.73 | 0.78 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.20% | 9.30% |
| Tax rate | 16.50% | 27.10% |
| Debt/Equity ratio | 0.23 | 0.23 |
| Cost of debt | 5.10% | 9.90% |
| After-tax WACC | 6.7% | 8.9% |
| Selected WACC | 7.8% | |