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Does Spark New Zealand Limited (NZSE:SPK) Have A Good P/E Ratio?

Simply Wall St

This article is for investors who would like to improve their understanding of price to earnings ratios (P/E ratios). To keep it practical, we'll show how Spark New Zealand Limited's (NZSE:SPK) P/E ratio could help you assess the value on offer. Based on the last twelve months, Spark New Zealand's P/E ratio is 20.11. That is equivalent to an earnings yield of about 5.0%.

View our latest analysis for Spark New Zealand

How Do You Calculate A P/E Ratio?

The formula for price to earnings is:

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

Or for Spark New Zealand:

P/E of 20.11 = NZ$4.48 ÷ NZ$0.22 (Based on the trailing twelve months to June 2019.)

Is A High Price-to-Earnings Ratio Good?

A higher P/E ratio means that buyers have to pay a higher price for each NZ$1 the company has earned over the last year. That is not a good or a bad thing per se, but a high P/E does imply buyers are optimistic about the future.

Does Spark New Zealand Have A Relatively High Or Low P/E For Its Industry?

The P/E ratio essentially measures market expectations of a company. We can see in the image below that the average P/E (31.2) for companies in the telecom industry is higher than Spark New Zealand's P/E.

NZSE:SPK Price Estimation Relative to Market, December 3rd 2019

Its relatively low P/E ratio indicates that Spark New Zealand shareholders think it will struggle to do as well as other companies in its industry classification. While current expectations are low, the stock could be undervalued if the situation is better than the market assumes. It is arguably worth checking if insiders are buying shares, because that might imply they believe the stock is undervalued.

How Growth Rates Impact P/E Ratios

Generally speaking the rate of earnings growth has a profound impact on a company's P/E multiple. That's because companies that grow earnings per share quickly will rapidly increase the 'E' in the equation. And in that case, the P/E ratio itself will drop rather quickly. A lower P/E should indicate the stock is cheap relative to others -- and that may attract buyers.

Spark New Zealand increased earnings per share by an impressive 12% over the last twelve months. And its annual EPS growth rate over 5 years is 4.8%. This could arguably justify a relatively high P/E ratio.

Remember: P/E Ratios Don't Consider The Balance Sheet

Don't forget that the P/E ratio considers market capitalization. That means it doesn't take debt or cash into account. Hypothetically, a company could reduce its future P/E ratio by spending its cash (or taking on debt) to achieve higher earnings.

While growth expenditure doesn't always pay off, the point is that it is a good option to have; but one that the P/E ratio ignores.

Is Debt Impacting Spark New Zealand's P/E?

Spark New Zealand's net debt is 18% of its market cap. It would probably deserve a higher P/E ratio if it was net cash, since it would have more options for growth.

The Bottom Line On Spark New Zealand's P/E Ratio

Spark New Zealand has a P/E of 20.1. That's around the same as the average in the NZ market, which is 20.3. With only modest debt levels, and strong earnings growth, the market seems to doubt that the growth can be maintained.

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.

Of course you might be able to find a better stock than Spark New Zealand. So you may wish to see this free collection of other companies that have grown earnings strongly.

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.

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. Thank you for reading.