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# Does Spire Inc.’s (NYSE:SR) P/E Ratio Signal A Buying Opportunity?

This article is written for those who want to get better at using price to earnings ratios (P/E ratios). We’ll show how you can use Spire Inc.’s (NYSE:SR) P/E ratio to inform your assessment of the investment opportunity. Based on the last twelve months, Spire’s P/E ratio is 24.45. That is equivalent to an earnings yield of about 4.1%.

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### How Do You Calculate A P/E Ratio?

The formula for price to earnings is:

Price to Earnings Ratio = Price per Share ÷ Earnings per Share (EPS)

Or for Spire:

P/E of 24.45 = \$81.21 ÷ \$3.32 (Based on the trailing twelve months to December 2018.)

### Is A High Price-to-Earnings Ratio Good?

A higher P/E ratio means that investors are paying a higher price for each \$1 of company earnings. All else being equal, it’s better to pay a low price — but as Warren Buffett said, ‘It’s far better to buy a wonderful company at a fair price than a fair company at a wonderful price.’

### How Growth Rates Impact P/E Ratios

Probably the most important factor in determining what P/E a company trades on is the earnings growth. That’s because companies that grow earnings per share quickly will rapidly increase the ‘E’ in the equation. Therefore, even if you pay a high multiple of earnings now, that multiple will become lower in the future. So while a stock may look expensive based on past earnings, it could be cheap based on future earnings.

Spire saw earnings per share decrease by 32% last year. But EPS is up 11% over the last 5 years.

### How Does Spire’s P/E Ratio Compare To Its Peers?

The P/E ratio essentially measures market expectations of a company. The image below shows that Spire has a P/E ratio that is roughly in line with the gas utilities industry average (26.3).

Its P/E ratio suggests that Spire shareholders think that in the future it will perform about the same as other companies in its industry classification. So if Spire actually outperforms its peers going forward, that should be a positive for the share price. I inform my view byby checking management tenure and remuneration, among other things.

### Don’t Forget: The P/E Does Not Account For Debt or Bank Deposits

The ‘Price’ in P/E reflects the market capitalization of the company. Thus, the metric does not reflect cash or debt held by the company. Hypothetically, a company could reduce its future P/E ratio by spending its cash (or taking on debt) to achieve higher earnings.

Such expenditure might be good or bad, in the long term, but the point here is that the balance sheet is not reflected by this ratio.

### How Does Spire’s Debt Impact Its P/E Ratio?

Spire’s net debt is 68% of its market cap. This is a reasonably significant level of debt — all else being equal you’d expect a much lower P/E than if it had net cash.

### The Bottom Line On Spire’s P/E Ratio

Spire trades on a P/E ratio of 24.4, which is above the US market average of 17.2. With significant debt and no EPS growth last year, shareholders are betting on an improvement in earnings from the company.

Investors have an opportunity when market expectations about a stock are wrong. As value investor Benjamin Graham famously said, ‘In the short run, the market is a voting machine but in the long run, it is a weighing machine.’ So this free report on the analyst consensus forecasts could help you make a master move on this stock.

You might be able to find a better buy than Spire. If you want a selection of possible winners, check out this free list of interesting companies that trade on a P/E below 20 (but have proven they can grow earnings).

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.