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If you own shares in Puma Biotechnology, Inc. (NASDAQ:PBYI) 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 second sort is caused by the natural volatility of markets, overall. For example, certain macroeconomic events will impact (virtually) all stocks on the 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 greater than one is more sensitive to broader market movements than a stock with a beta of less than one.
What we can learn from PBYI's beta value
Zooming in on Puma Biotechnology, we see it has a five year beta of 1.18. This is above 1, so historically its share price has been influenced by the broader volatility of the stock market. Based on this history, investors should be aware that Puma Biotechnology are likely to rise strongly in times of greed, but sell off in times of fear. 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 Puma Biotechnology fares in that regard, below.
How does PBYI's size impact its beta?
Puma Biotechnology is a small cap stock with a market capitalisation of US$533m. 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:
Since Puma Biotechnology tends to moves up when the market is going up, and down when it's going down, potential investors may wish to reflect on the overall market, when considering the stock. In order to fully understand whether PBYI is a good investment for you, we also need to consider important company-specific fundamentals such as Puma Biotechnology’s financial health and performance track record. I highly recommend you dive deeper by considering the following:
- Future Outlook: What are well-informed industry analysts predicting for PBYI’s future growth? Take a look at our free research report of analyst consensus for PBYI’s outlook.
- Past Track Record: Has PBYI 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 PBYI's historicals for more clarity.
- Other Interesting Stocks: It's worth checking to see how PBYI 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 email@example.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.