Why You Need To Look At This Factor Before Buying China Aerospace International Holdings Limited (HKG:31)

If you own shares in China Aerospace International Holdings Limited (HKG:31) then it's worth thinking about how it contributes to the volatility of your portfolio, overall. In finance, Beta is a measure of volatility. Modern finance theory considers volatility to be a measure of risk, and there are two main types of price volatility. The first type is company specific volatility. Investors use diversification across uncorrelated stocks to reduce this kind of price volatility across the 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 see their prices move in concert with the market. Others tend towards stronger, gentler or unrelated 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. 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.

View our latest analysis for China Aerospace International Holdings

What we can learn from 31's beta value

With a beta of 1.04, (which is quite close to 1) the share price of China Aerospace International Holdings has historically been about as voltile as the broader market. While history does not always repeat, this may indicate that the stock price will continue to be exposed to market risk, albeit not overly so. 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 China Aerospace International Holdings's revenue and earnings in the image below.

How does 31's size impact its beta?

With a market capitalisation of HK$1.88b, China Aerospace International Holdings is a very small company by global standards. It is quite likely to be unknown to most investors. It doesn't take much money to really move the share price of a company as small as this one. That makes it somewhat unusual that it has a beta value so close to the overall market.

What this means for you:

China Aerospace International Holdings has a beta value quite close to that of the overall market. That doesn't tell us much on its own, so it is probably worth considering whether the company is growing, if you're looking for stocks that will go up more than the overall market. This article aims to educate investors about beta values, but it's well worth looking at important company-specific fundamentals such as China Aerospace International Holdings’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 31’s future growth? Take a look at our free research report of analyst consensus for 31’s outlook.
2. Past Track Record: Has 31 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 31's historicals for more clarity.
3. Other Interesting Stocks: It's worth checking to see how 31 measures up against other companies on valuation. You could start with this free list of prospective options.

To help readers see past the short term volatility of the financial market, we aim to bring you a long-term focused research analysis purely driven by fundamental data. Note that our analysis does not factor in the latest price-sensitive company announcements.

The author is an independent contributor and at the time of publication had no position in the stocks mentioned. For errors that warrant correction please contact the editor at editorial-team@simplywallst.com.

Simply Wall St analyst Simply Wall St and Simply Wall St have no position in any of the companies mentioned. This article is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material.