Is Siltronic AG’s (FRA:WAF) PE Ratio A Signal To Buy For Investors?

In this article:

Siltronic AG (DB:WAF) is trading with a trailing P/E of 18.1x, which is lower than the industry average of 23.9x. While WAF might seem like an attractive stock to buy, it is important to understand the assumptions behind the P/E ratio before you make any investment decisions. 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. See our latest analysis for Siltronic

Breaking down the P/E ratio

DB:WAF PE PEG Gauge May 14th 18
DB:WAF PE PEG Gauge May 14th 18

A common ratio used for relative valuation is the P/E ratio. 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.

P/E Calculation for WAF

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

WAF Price-Earnings Ratio = €149.15 ÷ €8.228 = 18.1x

The P/E ratio isn’t a metric you view in isolation and only becomes useful when you compare it against other similar companies. Our goal is to compare the stock’s P/E ratio to the average of companies that have similar attributes to WAF, such as company lifetime and products sold. A common peer group is companies that exist in the same industry, which is what I use. At 18.1x, WAF’s P/E is lower than its industry peers (23.9x). This implies that investors are undervaluing each dollar of WAF’s earnings. As such, our analysis shows that WAF represents an under-priced stock.

Assumptions to be aware of

However, before you rush out to buy WAF, it is important to note that this conclusion is based on two key assumptions. Firstly, our peer group contains companies that are similar to WAF. If this isn’t the case, the difference in P/E could be due to other factors. For example, if you compared higher growth firms with WAF, then its P/E would naturally be lower since investors would reward its peers’ higher growth with a higher price. The second assumption that must hold true is that the stocks we are comparing WAF to are fairly valued by the market. If this is violated, WAF’s P/E may be lower than its peers as they are actually overvalued by investors.

What this means for you:

If your personal research into the stock confirms what the P/E ratio is telling you, it might be a good time to add more of WAF to your portfolio. But keep in mind that the usefulness of relative valuation depends on whether you are comfortable with making the assumptions I mentioned above. Remember that basing your investment decision off one metric alone is certainly not sufficient. There are many things I have not taken into account in this article and the PE ratio is very one-dimensional. If you have not done so already, I highly recommend you to complete your research by taking a look at the following:

  1. Future Outlook: What are well-informed industry analysts predicting for WAF’s future growth? Take a look at our free research report of analyst consensus for WAF’s outlook.

  2. Past Track Record: Has WAF been consistently performing well irrespective of the ups and downs in the market? Go into more detail in the past performance analysis and take a look at the free visual representations of WAF’s historicals for more clarity.

  3. Other High-Performing Stocks: Are there other stocks that provide better prospects with proven track records? Explore our free list of these great stocks here.


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.

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