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How Does Sonic Automotive, Inc. (NYSE:SAH) Affect Your Portfolio Volatility?

Simply Wall St

Anyone researching Sonic Automotive, Inc. (NYSE:SAH) might want to consider the historical volatility of the share price. Volatility is considered to be a measure of risk in modern finance theory. Investors may think of volatility as falling into two main categories. The first category is company specific volatility. This can be dealt with by limiting your exposure to any particular stock. The second type is the broader market volatility, which you cannot diversify away, since it arises from macroeconomic factors which directly affects all the stocks on the market.

Some stocks mimic the volatility of the market quite closely, while others demonstrate muted, exagerrated or uncorrelated price movements. Beta is a widely used metric to measure a stock's exposure to market risk (volatility). Before we go on, it's worth noting that Warren Buffett pointed out in his 2014 letter to shareholders that 'volatility is far from synonymous with risk.' Having said that, beta can still be rather useful. The first thing to understand about beta is that the beta of the overall market is one. Any stock with a beta of greater than one is considered more volatile than the market, while those with a beta below one are either less volatile or poorly correlated with the market.

See our latest analysis for Sonic Automotive

What we can learn from SAH's beta value

Looking at the last five years, Sonic Automotive has a beta of 1.90. The fact that this is well above 1 indicates that its share price movements have shown sensitivity to overall market volatility. Based on this history, investors should be aware that Sonic Automotive are likely to rise strongly in times of greed, but sell off in times of fear. Many would argue that beta is useful in position sizing, but fundamental metrics such as revenue and earnings are more important overall. You can see Sonic Automotive's revenue and earnings in the image below.

NYSE:SAH Income Statement, December 12th 2019

Does SAH's size influence the expected beta?

Sonic Automotive is a small cap stock with a market capitalisation of US$1.4b. Most companies this size are actively traded. It has a relatively high beta, which is not unusual among small-cap stocks. Because it takes less capital to move the share price of a smaller company, actively traded small-cap stocks often have a higher beta that a similar large-cap stock.

What this means for you:

Beta only tells us that the Sonic Automotive share price is sensitive to broader market movements. This could indicate that it is a high growth company, or is heavily influenced by sentiment because it is speculative. Alternatively, it could have operating leverage in its business model. Ultimately, beta is an interesting metric, but there's plenty more to learn. This article aims to educate investors about beta values, but it's well worth looking at important company-specific fundamentals such as Sonic Automotive’s financial health and performance track record. I urge you to continue your research by taking a look at the following:

  1. Future Outlook: What are well-informed industry analysts predicting for SAH’s future growth? Take a look at our free research report of analyst consensus for SAH’s outlook.
  2. Past Track Record: Has SAH been consistently performing well irrespective of the ups and downs in the market? Go into more detail in the past performance analysis and take a look at the free visual representations of SAH's historicals for more clarity.
  3. Other Interesting Stocks: It's worth checking to see how SAH measures up against other companies on valuation. You could start with this free list of prospective options.

If you spot an error that warrants correction, please contact the editor at editorial-team@simplywallst.com. This article by Simply Wall St is general in nature. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. Simply Wall St has no position in the stocks mentioned.

We aim to bring you long-term focused research analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Thank you for reading.