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Does Tantech Holdings Ltd’s (TANH) PE Ratio Warrant A Buy?

Tantech Holdings Ltd (NASDAQ:TANH) is currently trading at a trailing P/E of 18x, which is lower than the industry average of 26.8x. While this makes TANH 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. View our latest analysis for Tantech Holdings

Breaking down the Price-Earnings ratio

NasdaqCM:TANH PE PEG Gauge Sep 12th 17
NasdaqCM:TANH PE PEG Gauge Sep 12th 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 TANH

Price per share = 3.36

Earnings per share = 0.187

∴ Price-Earnings Ratio = 3.36 ÷ 0.187 = 18x

The P/E ratio isn’t a metric you view in isolation and only becomes useful when you compare it against other similar companies. Ideally, we want to compare the stock’s P/E ratio to the average of companies that have similar characteristics as TANH, such as size and country of operation. A common peer group is companies that exist in the same industry, which is what I use below. Since it is expected that similar companies have similar P/E ratios, we can come to some conclusions about the stock if the ratios are different.

At 18x, TANH’s P/E is lower than its industry peers (26.8x). This implies that investors are undervaluing each dollar of TANH’s earnings. As such, our analysis shows that TANH represents an under-priced stock.

A few caveats

However, before you rush out to buy TANH, it is important to note that this conclusion is based on two key assumptions. The first is that our peer group actually contains companies that are similar to TANH. If this isn’t the case, the difference in P/E could be due to some other factors. For example, if you are inadvertently comparing lower risk firms with TANH, then TANH’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 TANH. In this case, TANH’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 TANH to are fairly valued by the market. If this assumption does not hold true, TANH’s lower P/E ratio may be because firms in our peer group are being overvalued by the market.

NasdaqCM:TANH Future Profit Sep 12th 17
NasdaqCM:TANH Future Profit Sep 12th 17

What this means for you:

Are you a shareholder? Since you may have already conducted your due diligence on TANH, 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 TANH, basing your decision on the PE metric at one point in time is certainly not sufficient. I recommend you do additional analysis by looking at its intrinsic valuation and using other relative valuation ratios like PEG or EV/EBITDA.

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 Tantech Holdings 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.