The WACC of Tullow Oil PLC (TLW.L) is 11.2%.
| Range | Selected | |
| Cost of equity | 9.70% - 39.20% | 24.45% |
| Tax rate | 19.00% - 19.00% | 19.00% |
| Cost of debt | 7.30% - 15.80% | 11.55% |
| WACC | 6.3% - 16.0% | 11.2% |
| Category | Low | High |
| Long-term bond rate | 4.0% | 4.5% |
| Equity market risk premium | 6.0% | 7.0% |
| Adjusted beta | 0.96 | 4.9 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 9.70% | 39.20% |
| Tax rate | 19.00% | 19.00% |
| Debt/Equity ratio | 7.28 | 7.28 |
| Cost of debt | 7.30% | 15.80% |
| After-tax WACC | 6.3% | 16.0% |
| Selected WACC | 11.2% | |
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 TLW.L:
cost_of_equity (24.45%) = risk_free_rate (4.25%) + equity_risk_premium (6.50%) * adjusted_beta (0.96) + 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.