The WACC of Tandem Diabetes Care Inc (TNDM) is 7.8%.
| Range | Selected | |
| Cost of equity | 6.60% - 9.10% | 7.85% |
| Tax rate | 1.50% - 1.90% | 1.70% |
| Cost of debt | 7.00% - 7.00% | 7.00% |
| WACC | 6.6% - 8.9% | 7.8% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.6 | 0.75 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.60% | 9.10% |
| Tax rate | 1.50% | 1.90% |
| Debt/Equity ratio | 0.1 | 0.1 |
| Cost of debt | 7.00% | 7.00% |
| After-tax WACC | 6.6% | 8.9% |
| Selected WACC | 7.8% | |