The WACC of STMicroelectronics NV (STM.PA) is 9.4%.
| Range | Selected | |
| Cost of equity | 7.80% - 11.70% | 9.75% |
| Tax rate | 12.20% - 13.10% | 12.65% |
| Cost of debt | 4.00% - 4.50% | 4.25% |
| WACC | 7.5% - 11.2% | 9.4% |
| Category | Low | High |
| Long-term bond rate | 3.1% | 3.6% |
| Equity market risk premium | 5.2% | 6.2% |
| Adjusted beta | 0.89 | 1.22 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 7.80% | 11.70% |
| Tax rate | 12.20% | 13.10% |
| Debt/Equity ratio | 0.07 | 0.07 |
| Cost of debt | 4.00% | 4.50% |
| After-tax WACC | 7.5% | 11.2% |
| Selected WACC | 9.4% | |
The Cost of Equity reflects the return a company needs to deliver to shareholders to justify the risk of investing in its shares. It’s computed using the Capital Asset Pricing Model (CAPM), which blends the risk-free rate, the stock’s beta, and the market risk premium.
This method evaluates the stock’s risk compared to a safe investment and the market’s overall volatility.
Here’s how we figure out the cost of equity for STM.PA:
cost_of_equity (9.75%) = risk_free_rate (3.35%) + equity_risk_premium (5.70%) * adjusted_beta (0.89) + risk_adjustments (0.25%)
We include the risk adjustments, which range from 0% to 1%, to keep our WACC conservatives, especially for companies traded in developing markets.