If you own shares in First Commonwealth Financial Corporation (NYSE:FCF) 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 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. 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.

See our latest analysis for First Commonwealth Financial

What we can learn from FCF's beta value

Zooming in on First Commonwealth Financial, we see it has a five year beta of 1.17. This is above 1, so historically its share price has been influenced by the broader volatility of the stock market. If this beta value holds true in the future, First Commonwealth Financial shares are likely to rise more than the market when the market is going up, but fall faster when the market is going down. 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 First Commonwealth Financial fares in that regard, below.

How does FCF's size impact its beta?

With a market capitalisation of US$1.3b, First Commonwealth Financial is a small cap stock. However, it is big enough to catch the attention of professional investors. It is quite common to see a small-cap stock with a beta greater than one. In part, that's because relatively few investors can influence the price of a smaller company, compared to a large company.

What this means for you:

Since First Commonwealth Financial 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. This article aims to educate investors about beta values, but it's well worth looking at important company-specific fundamentals such as First Commonwealth Financial’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 FCF’s future growth? Take a look at our free research report of analyst consensus for FCF’s outlook.

2. Past Track Record: Has FCF 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 FCF's historicals for more clarity.

3. Other Interesting Stocks: It's worth checking to see how FCF 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.