The WACC of Proto Labs Inc (PRLB) is 9.4%.
| Range | Selected | |
| Cost of equity | 8.30% - 10.60% | 9.45% |
| Tax rate | 16.60% - 17.80% | 17.20% |
| Cost of debt | 4.90% - 4.90% | 4.90% |
| WACC | 8.2% - 10.5% | 9.4% |
| Category | Low | High |
| Long-term bond rate | 4.2% | 4.7% |
| Equity market risk premium | 5.0% | 6.0% |
| Adjusted beta | 0.82 | 0.91 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 8.30% | 10.60% |
| Tax rate | 16.60% | 17.80% |
| Debt/Equity ratio | 0.02 | 0.02 |
| Cost of debt | 4.90% | 4.90% |
| After-tax WACC | 8.2% | 10.5% |
| Selected WACC | 9.4% | |