What Kind Of Share Price Volatility Should You Expect For Radius Health, Inc. (NASDAQ:RDUS)?

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If you're interested in Radius Health, Inc. (NASDAQ:RDUS), then you might want to consider its beta (a measure of share price volatility) in order to understand how the stock could impact your portfolio. 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 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. Some investors use beta as a measure of how much a certain stock is impacted by market risk (volatility). While we should keep in mind that Warren Buffett has cautioned that 'Volatility is far from synonymous with risk', beta is still a useful factor to consider. To make good use of it you must first know 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 Radius Health

What does RDUS's beta value mean to investors?

As it happens, Radius Health has a five year beta of 0.99. This is fairly close to 1, so the stock has historically shown a somewhat similar level of volatility as the market. If the future looks like the past, we could therefore consider it likely that the stock price will experience share price volatility that is roughly similar to the overall market. Share price volatility is well worth considering, but most long term investors consider the history of revenue and earnings growth to be more important. Take a look at how Radius Health fares in that regard, below.

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

Radius Health is a small cap stock with a market capitalisation of US$1.1b. Most companies this size are actively traded. It takes less capital to move the share price of small companies, and they are also more impacted by company specific events, so it's a bit of a surprise that the beta is so close to the overall market.

What this means for you:

Radius Health 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. In order to fully understand whether RDUS is a good investment for you, we also need to consider important company-specific fundamentals such as Radius Health’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 RDUS’s future growth? Take a look at our free research report of analyst consensus for RDUS’s outlook.
2. Past Track Record: Has RDUS 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 RDUS's historicals for more clarity.
3. Other Interesting Stocks: It's worth checking to see how RDUS 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.