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How Does MGIC Investment Corporation (NYSE:MTG) Affect Your Portfolio Volatility?

Simply Wall St

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If you're interested in MGIC Investment Corporation (NYSE:MTG), 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. 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 are more sensitive to general market forces than others. 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 greater than one is more sensitive to broader market movements than a stock with a beta of less than one.

View our latest analysis for MGIC Investment

What MTG's beta value tells investors

Zooming in on MGIC Investment, we see it has a five year beta of 1.77. This is above 1, so historically its share price has been influenced by the broader volatility of the stock market. If the past is any guide, we would expect that MGIC Investment shares will rise quicker than the markets in times of optimism, but fall faster in times of pessimism. 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 MGIC Investment fares in that regard, below.

NYSE:MTG Income Statement, June 22nd 2019

How does MTG's size impact its beta?

MGIC Investment is a fairly large company. It has a market capitalisation of US$4.8b, which means it is probably on the radar of most investors. It has a relatively high beta, suggesting it may be somehow leveraged to macroeconomic conditions. For example, it might be a high growth stock with lots of investors trading the shares. It's notable when large companies to have high beta values, because it usually takes substantial capital flows to move their share prices.

What this means for you:

Since MGIC Investment has a reasonably high beta, it's worth considering why it is so heavily influenced by broader market sentiment. For example, it might be a high growth stock or have a lot of operating leverage in its business model. In order to fully understand whether MTG is a good investment for you, we also need to consider important company-specific fundamentals such as MGIC Investment’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 MTG’s future growth? Take a look at our free research report of analyst consensus for MTG’s outlook.
  2. Past Track Record: Has MTG 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 MTG's historicals for more clarity.
  3. Other Interesting Stocks: It's worth checking to see how MTG 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.