The WACC of IDT Corp (IDT) is 6.3%.
| Range | Selected | |
| Cost of equity | 7.50% - 10.80% | 9.15% |
| Tax rate | 20.50% - 23.30% | 21.90% |
| Cost of debt | 4.50% - 4.50% | 4.50% |
| WACC | 5.5% - 7.1% | 6.3% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.79 | 1.06 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.50% | 10.80% |
| Tax rate | 20.50% | 23.30% |
| Debt/Equity ratio | 1 | 1 |
| Cost of debt | 4.50% | 4.50% |
| After-tax WACC | 5.5% | 7.1% |
| Selected WACC | 6.3% | |