In the daily noise machine of CNBC, analyst estimates, and quarterly announcements, investors are inundated with talking heads obsessing over earnings-per-share figures.
Earnings, or net income, is an accounting construction that is the basis for the price-to-earnings ratio, the most popular way of measuring how cheap or expensive a stock is.
But free cash flow -- the amount of cash a company earns on its operations minus what it spends on them -- is another, oftentimes more accurate measure of earnings that can give you an advantage.
How Windstream stacks up
If Windstream tends to generate more free cash flow than net income, there's a good chance earnings-per-share figures understate its profitability and overstate its price tag. Conversely, if Windstream consistently generates less free cash flow than net income, it may be less profitable and more expensive than it appears.
This graph compares Windstream's historical net income to free cash flow. (I omitted various gains and charges such as tax deferrals, restructurings, and benefits related to stock options.)
Source: Capital IQ (a division of Standard & Poor's) and author's calculations.
As you can see, Windstream has a tendency to produce more free cash flow than net income. This means that the standard price-to-earnings multiple investors use to judge companies may overstate its price tag.
There can be a variety of reasons to disregard such a discrepancy; for example, free cash flow can overstate earnings in businesses with volatile working capital needs, or understate earnings in high-growth companies that are reinvesting capital in the business.
Alternatively, in cases where free cash flow more accurately measures earnings, such a discrepancy can indicate a company that is more -- or less -- expensive than investors realize.
Let's examine Windstream alongside some of its peers for additional context:
Adjusted Price-to-Free-Cash-Flow Ratio
Source: Capital IQ, a division of Standard & Poor's.
Many telcos such as Windstream have stated earnings that tend to look small in light of high depreciation and amortization charges . Their stocks appear to trade at a moderately high price-to-earnings ratio.
But, like many of its peers, Windstream also tends to generate more free cash flow than net income, suggesting that the company’s stock might be a bit cheaper than many investors realize.
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Ilan Moscovitz doesn’t own shares of any company mentioned. Motley Fool newsletter services have recommended buying shares of AT&T. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.