The WACC of IDT Corp (IDT) is 6.4%.
| Range | Selected | |
| Cost of equity | 7.80% - 10.70% | 9.25% |
| Tax rate | 20.50% - 23.30% | 21.90% |
| Cost of debt | 4.60% - 4.60% | 4.60% |
| WACC | 5.7% - 7.1% | 6.4% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.85 | 1.03 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.80% | 10.70% |
| Tax rate | 20.50% | 23.30% |
| Debt/Equity ratio | 1 | 1 |
| Cost of debt | 4.60% | 4.60% |
| After-tax WACC | 5.7% | 7.1% |
| Selected WACC | 6.4% | |