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Does Bonso Electronics International Inc’s (BNSO) PE Ratio Warrant A Buy?

Bonso Electronics International Inc (NASDAQ:BNSO) is currently trading at a trailing P/E of 4.1x, which is lower than the industry average of 29.4x. While this makes BNSO appear like a great stock to buy, you might change your mind after I explain the assumptions behind the P/E ratio. In this article, I will deconstruct the P/E ratio and highlight what you need to be careful of when using the P/E ratio. Check out our latest analysis for Bonso Electronics International

Demystifying the P/E ratio

NasdaqCM:BNSO PE PEG Gauge Sep 13th 17
NasdaqCM:BNSO PE PEG Gauge Sep 13th 17

P/E is often used for relative valuation since earnings power is a chief driver of investment value. By comparing a stock’s price per share to its earnings per share, we are able to see how much investors are paying for each dollar of the company’s earnings.


Price-Earnings Ratio = Price per share ÷ Earnings per share

P/E Calculation for BNSO

Price per share = 2.21

Earnings per share = 0.543

∴ Price-Earnings Ratio = 2.21 ÷ 0.543 = 4.1x

The P/E ratio isn’t a metric you view in isolation and only becomes useful when you compare it against other similar companies. Ultimately, our goal is to compare the stock’s P/E ratio to the average of companies that have similar attributes to BNSO, such as company lifetime and products sold. A common peer group is companies that exist in the same industry, which is what I use below. Since similar companies should technically have similar P/E ratios, we can very quickly come to some conclusions about the stock if the ratios differ.

BNSO’s P/E of 4.1x is lower than its industry peers (29.4x), which implies that each dollar of BNSO’s earnings is being undervalued by investors. Therefore, according to this analysis, BNSO is an under-priced stock.

Assumptions to watch out for

Before you jump to the conclusion that BNSO represents the perfect buying opportunity, it is important to realise that our conclusion rests on two important assertions. The first is that our “similar companies” are actually similar to BNSO. If the companies aren’t similar, the difference in P/E might be a result of other factors. For example, if you are inadvertently comparing lower risk firms with BNSO, then BNSO’s P/E would naturally be lower than its peers, since investors would value those with lower risk with a higher price. The other possibility is if you were accidentally comparing higher growth firms with BNSO. In this case, BNSO’s P/E would be lower since investors would also reward its peers’ higher growth with a higher price. The second assumption that must hold true is that the stocks we are comparing BNSO to are fairly valued by the market. If this assumption does not hold true, BNSO’s lower P/E ratio may be because firms in our peer group are being overvalued by the market.

NasdaqCM:BNSO Future Profit Sep 13th 17
NasdaqCM:BNSO Future Profit Sep 13th 17

What this means for you:

Are you a shareholder? Since you may have already conducted your due diligence on BNSO, the undervaluation of the stock may mean it is a good time to top up on your current holdings. But at the end of the day, keep in mind that relative valuation relies heavily on critical assumptions I've outlined above.

Are you a potential investor? If you are considering investing in BNSO, looking at the PE ratio on its own is not enough to make a well-informed decision. You will benefit from looking at additional analysis and considering its intrinsic valuation along with other relative valuation metrics like PEG and EV/Sales.

PE is one aspect of your portfolio construction to consider when holding or entering into a stock. But it is certainly not the only factor. Take a look at our most recent infographic report on Bonso Electronics International for a more in-depth analysis of the stock to help you make a well-informed investment decision. Since we know a limitation of PE is it doesn't properly account for growth, you can use our free platform to see my list of stocks with a high growth potential and see if their PE is still reasonable.

To help readers see pass the short term volatility of the financial market, we aim to bring you a long-term focused research analysis purely driven by fundamental data. Note that our analysis does not factor in the latest price sensitive company announcements.

The author is an independent contributor and at the time of publication had no position in the stocks mentioned.