Unlevered beta (a.k.a. Asset Beta) is the beta of a company without the impact of debt. It is also known as the volatility of returns for a company, without taking into account its financial leverage. It compares the risk of an unlevered company to the risk of the market. It is also commonly referred to as “asset beta” because the volatility of a company without any leverage is the result of only its assets.
Equity Beta vs. Asset Beta
Levered beta (or “equity beta”) is a measurement that compares the volatility of returns of a company’s stock against those of the broader market. In other words, it’s a measure of risk, and it includes the impact of a company’s capital structure and leverage. Equity beta allows investors to gauge how sensitive a security might be to macro-market risks. For example, a company with a beta of 1.5 has returns that are 150% as volatile as the market it’s being compared to.
When you look up a company’s beta on Bloomberg, the default number you see is levered, reflecting the debt of that company. Since each company’s capital structure is different, an analyst will often want to look at how “risky” the company’s assets are, regardless of what percentage of debt or equity funding it has.
The higher a company’s debt or leverage, the more earnings from the company that is committed to servicing that debt. As a company adds more and more debt, its uncertainty of future earnings is also increasing. This increases the risk associated with the company’s stock, but it is not a result of the market or industry risk. Therefore, by removing the financial leverage (debt impact), the unlevered beta can capture the risk of only the company’s assets.
How Do You Calculate Unlevered Beta / Asset Beta?
To determine the risk of a company without debt, we need to un-lever the beta (i.e., remove the debt impact).
To do this, look up the beta for a group of comparable companies within the same industry, un-lever each one, take the median of the set, and then re-lever it based on your company’s capital structure.
For your reference, the formulas for un-levering and re-levering Beta are below:
Excel Example – Converting Equity to Asset Beta
Below is an example analysis of how to switch between Equity and Asset Beta. Let’s analyze a few of the results to illustrate better how it works.
Stock 1 has an equity beta of 1.21 and a net debt to equity ratio of 21%. After unlevering the stock, the beta drops down to 1.07, which makes sense because the debt was adding leverage to the stock returns.
Stock 2 has no cash and no debt, so the equity and asset betas are the same. This makes perfect sense since there is no capital structure impact on the returns.
Stock 3 has a net cash position (negative net debt), so when it is converted, the asset beta is actually higher than the equity beta. This also makes sense because the value of cash never changes, so the volatility in the stock (equity beta) is actually lowered by the effect of the net cash position.
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Equity Beta and Asset Beta Conversion Template
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What is Asset Beta Used For?
Asset beta is used to measure the risk of a security minus the company’s debt.
It is best to use asset beta when either a company or an investor wants to measure a company’s performance in relation to the market without the impact of a company’s debt.