The WACC of Aspen Aerogels Inc (ASPN) is 6.5%.
| Range | Selected | |
| Cost of equity | 5.50% - 8.20% | 6.85% |
| Tax rate | 26.20% - 27.00% | 26.60% |
| Cost of debt | 4.50% - 4.50% | 4.50% |
| WACC | 5.3% - 7.8% | 6.5% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.36 | 0.6 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 5.50% | 8.20% |
| Tax rate | 26.20% | 27.00% |
| Debt/Equity ratio | 0.1 | 0.1 |
| Cost of debt | 4.50% | 4.50% |
| After-tax WACC | 5.3% | 7.8% |
| Selected WACC | 6.5% | |