Key Takeaways
- Measures asset risk excluding financial leverage.
- Calculated by removing debt impact from levered beta.
- Used to compare firms with different capital structures.
What is Unlevered Beta?
Unlevered Beta, also known as asset beta, measures the inherent business risk of a company's assets by removing the effects of financial leverage from its levered beta. It reflects the volatility of the underlying asset relative to the market without the influence of debt.
This metric is essential for comparing companies with different capital structures and is widely used in cost of capital calculations, including the weighted average cost of capital (WACC).
Key Characteristics
Unlevered Beta isolates operational risk by stripping out financial leverage effects. Key features include:
- Debt-Independent: Reflects asset volatility without debt impact, unlike levered beta which includes leverage risk.
- Calculated Using: Levered beta, corporate tax rate, and debt-to-equity ratio.
- Tax Impact: Adjusts for tax shields on debt, since interest expense is tax-deductible.
- Comparison Tool: Useful for valuing private firms by applying comparable public company betas.
- Risk Indicator: Higher unlevered beta signals riskier assets and higher expected returns.
- Related Concepts: Connects closely with the underlying asset risk concept and capital structure metrics like paid-in capital.
How It Works
To compute unlevered beta, you start with the levered beta, which includes the company's financial leverage and reflects equity volatility. By adjusting for the debt-to-equity ratio and accounting for the marginal tax rate, you isolate the pure business risk of the company's assets.
The formula is: Unlevered Beta = Levered Beta ÷ [1 + (1 - Tax Rate) × (Debt/Equity Ratio)]. This adjustment factors in the tax advantage of debt financing, making the unlevered beta a more accurate measure of asset risk.
Examples and Use Cases
Unlevered beta is commonly used in financial analysis to compare companies or estimate the cost of capital for firms with varying leverage levels. Examples include:
- Banking Sector: Comparing the unlevered betas of Bank of America and JPMorgan Chase helps analysts assess operational risk independent of their capital structures.
- Telecommunications: Evaluating Coca-Cola’s asset risk to better understand how leverage influences its stock volatility.
- Index Benchmarking: Using SPY, the S&P 500 ETF, levered and unlevered betas can be compared to gauge market versus asset risk.
Important Considerations
When using unlevered beta, ensure you use market values for debt and equity for accuracy, and confirm the marginal tax rate reflects current corporate policies. Also, unlevered beta assumes debt risk is negligible, which may not hold true for all firms.
This metric is foundational for adjusting betas across companies with different structures, but be cautious of variations in calculation methods and data sources. Understanding how unlevered beta interacts with concepts like C corporation taxation can improve your valuation insights.
Final Words
Unlevered beta provides a clear measure of a company's underlying business risk by stripping out financial leverage effects. To apply this metric effectively, gather accurate levered beta, debt-to-equity ratios, and tax rates to calculate and compare asset risk across firms or scenarios.
Frequently Asked Questions
Unlevered beta, also called asset beta, measures a company's business risk by removing the effects of financial leverage. It reflects the volatility of a company's assets relative to the market, isolating operational risk without debt impact.
Unlevered beta is calculated by dividing the levered beta by 1 plus the product of (1 minus the tax rate) and the debt-to-equity ratio. The formula is: βu = βL / [1 + (1 - Tax Rate) × (Debt/Equity)].
Unlevered beta is essential for comparing companies with different capital structures, valuing private firms using public comparables, and calculating the unlevered cost of capital or WACC. It helps isolate the true business risk without the influence of debt.
You need the levered beta, the marginal corporate tax rate, and the company's debt-to-equity ratio. Levered beta is usually obtained from market data or regression analysis, while tax rate and debt/equity come from financial statements.
Financial leverage increases a company's levered beta because debt amplifies the volatility of equity returns. Unlevered beta removes this effect, showing only the risk related to the company's assets.
Unlevered beta is best used to compare companies within the same or similar industries because it isolates business risk. Comparing across industries can be misleading due to differing asset risk profiles.
Taxes reduce the leverage effect because interest on debt is tax-deductible, creating a tax shield. This is accounted for in the formula by multiplying the debt-to-equity ratio by (1 - Tax Rate).
Levered beta includes the impact of a company's debt on equity risk, making it typically higher. Unlevered beta removes debt's effect to reflect only the risk of the company's assets.

