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# Does 3SBio Inc.'s (HKG:1530) 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 3SBio Inc.'s (HKG:1530) P/E ratio to inform your assessment of the investment opportunity. 3SBio has a price to earnings ratio of 21.63, based on the last twelve months. That means that at current prices, buyers pay HK\$21.63 for every HK\$1 in trailing yearly profits.

Check out our latest analysis for 3SBio

### How Do I Calculate 3SBio's Price To Earnings Ratio?

The formula for P/E is:

Price to Earnings Ratio = Share Price (in reporting currency) Ã· Earnings per Share (EPS)

Or for 3SBio:

P/E of 21.63 = CNY9.24 (Note: this is the share price in the reporting currency, namely, CNY ) Ã· CNY0.43 (Based on the year 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 CNY1 the company has earned over the last year. 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 Does 3SBio's P/E Ratio Compare To Its Peers?

The P/E ratio essentially measures market expectations of a company. You can see in the image below that the average P/E (22.3) for companies in the biotechs industry is roughly the same as 3SBio's P/E.

Its P/E ratio suggests that 3SBio shareholders think that in the future it will perform about the same as other companies in its industry classification. The company could surprise by performing better than average, in the future. I would further inform my view by checking insider buying and selling., among other things.

### 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. That means unless the share price increases, the P/E will reduce in a few years. And as that P/E ratio drops, the company will look cheap, unless its share price increases.

3SBio saw earnings per share improve by -2.6% last year. And it has bolstered its earnings per share by 28% per year over the last five years.

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

Don't forget that the P/E ratio considers market capitalization. In other words, it does not consider any debt or cash that the company may have on the balance sheet. In theory, a company can lower its future P/E ratio by using cash or debt to invest in growth.

Spending on growth might be good or bad a few years later, but the point is that the P/E ratio does not account for the option (or lack thereof).

### Is Debt Impacting 3SBio's P/E?

3SBio's net debt is 5.6% of its market cap. It would probably trade on a higher P/E ratio if it had a lot of cash, but I doubt it is having a big impact.

### The Bottom Line On 3SBio's P/E Ratio

3SBio has a P/E of 21.6. That's higher than the average in its market, which is 10.2. Given the debt is only modest, and earnings are already moving in the right direction, it's not surprising that the market expects continued improvement.

Investors should be looking to buy stocks that the market is wrong about. If the reality for a company is better than it expects, you can make money by buying and holding for the long term. So this free visual report on analyst forecasts could hold the key to an excellent investment decision.

Of course you might be able to find a better stock than 3SBio. 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.