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How Does Altra Industrial Motion Corp. (NASDAQ:AIMC) Affect Your Portfolio Volatility?

Simply Wall St

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Anyone researching Altra Industrial Motion Corp. (NASDAQ:AIMC) 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. First, we have company specific volatility, which is the price gyrations of an individual stock. Holding at least 8 stocks can reduce this kind of risk across a portfolio. The other type, which cannot be diversified away, is the volatility of the entire market. Every stock in the market is exposed to this volatility, which is linked to the fact that stocks prices are correlated in an efficient market.

Some stocks mimic the volatility of the market quite closely, while others demonstrate muted, exagerrated or uncorrelated price movements. Beta can be a useful tool to understand how much a stock is influenced by market risk (volatility). However, Warren Buffett said 'volatility is far from synonymous with risk' in his 2014 letter to investors. So, while useful, beta is not the only metric to consider. To use beta as an investor, you must first understand that the overall market has a beta of one. A stock with a beta below one is either less volatile than the market, or more volatile but not corellated with the overall market. In comparison a stock with a beta of over one tends to be move in a similar direction to the market in the long term, but with greater changes in price.

Check out our latest analysis for Altra Industrial Motion

What we can learn from AIMC's beta value

Looking at the last five years, Altra Industrial Motion has a beta of 1.98. 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 Altra Industrial Motion are likely to rise strongly in times of greed, but sell off in times of fear. Beta is worth considering, but it's also important to consider whether Altra Industrial Motion is growing earnings and revenue. You can take a look for yourself, below.

NasdaqGS:AIMC Income Statement, June 18th 2019

Could AIMC's size cause it to be more volatile?

Altra Industrial Motion is a fairly large company. It has a market capitalisation of US$2.3b, which means it is probably on the radar of most investors. It takes deep pocketed investors to influence the share price of a large company, so it's a little unusual to see companies this size with high beta values. It may be that that this company is more heavily impacted by broader economic factors than most.

What this means for you:

Beta only tells us that the Altra Industrial Motion 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. In order to fully understand whether AIMC is a good investment for you, we also need to consider important company-specific fundamentals such as Altra Industrial Motion’s financial health and performance track record. I highly recommend you dive deeper by considering the following:

  1. Future Outlook: What are well-informed industry analysts predicting for AIMC’s future growth? Take a look at our free research report of analyst consensus for AIMC’s outlook.
  2. Past Track Record: Has AIMC 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 AIMC's historicals for more clarity.
  3. Other Interesting Stocks: It's worth checking to see how AIMC measures up against other companies on valuation. You could start with this free list of prospective options.

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.

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. Thank you for reading.