The WACC of Airtel Africa PLC (AAF.L) is 6.5%.
| Range | Selected | |
| Cost of equity | 5.90% - 7.80% | 6.85% |
| Tax rate | 40.10% - 41.80% | 40.95% |
| Cost of debt | 7.10% - 12.40% | 9.75% |
| WACC | 5.4% - 7.6% | 6.5% |
| Category | Low | High |
| Long-term bond rate | 4.0% | 4.5% |
| Equity market risk premium | 6.0% | 7.0% |
| Adjusted beta | 0.32 | 0.4 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 5.90% | 7.80% |
| Tax rate | 40.10% | 41.80% |
| Debt/Equity ratio | 0.4 | 0.4 |
| Cost of debt | 7.10% | 12.40% |
| After-tax WACC | 5.4% | 7.6% |
| Selected WACC | 6.5% | |
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 AAF.L:
cost_of_equity (6.85%) = risk_free_rate (4.25%) + equity_risk_premium (6.50%) * adjusted_beta (0.32) + 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.