The WACC of Castle Biosciences Inc (CSTL) is 7.2%.
| Range | Selected | |
| Cost of equity | 6.30% - 8.20% | 7.25% |
| Tax rate | 1.50% - 2.20% | 1.85% |
| Cost of debt | 7.00% - 7.00% | 7.00% |
| WACC | 6.3% - 8.2% | 7.2% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.52 | 0.6 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.30% | 8.20% |
| Tax rate | 1.50% | 2.20% |
| Debt/Equity ratio | 0 | 0 |
| Cost of debt | 7.00% | 7.00% |
| After-tax WACC | 6.3% | 8.2% |
| Selected WACC | 7.2% | |