The WACC of ADTRAN Inc (ADTN) is 6.8%.
| Range | Selected | |
| Cost of equity | 5.70% - 8.90% | 7.30% |
| Tax rate | 26.20% - 27.00% | 26.60% |
| Cost of debt | 7.00% - 7.00% | 7.00% |
| WACC | 5.6% - 8.0% | 6.8% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.4 | 0.72 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 5.70% | 8.90% |
| Tax rate | 26.20% | 27.00% |
| Debt/Equity ratio | 0.29 | 0.29 |
| Cost of debt | 7.00% | 7.00% |
| After-tax WACC | 5.6% | 8.0% |
| Selected WACC | 6.8% | |