National Gas and Industrialization Company's (TADAWUL:2080) price-to-earnings (or "P/E") ratio of 26.6x might make it look like a sell right now compared to the market in Saudi Arabia, where around half of the companies have P/E ratios below 20x and even P/E's below 15x are quite common. However, the P/E might be high for a reason and it requires further investigation to determine if it's justified.

The earnings growth achieved at National Gas and Industrialization over the last year would be more than acceptable for most companies. It might be that many expect the respectable earnings performance to beat most other companies over the coming period, which has increased investors’ willingness to pay up for the stock. You'd really hope so, otherwise you're paying a pretty hefty price for no particular reason.

Although there are no analyst estimates available for National Gas and Industrialization, take a look at this free data-rich visualisation to see how the company stacks up on earnings, revenue and cash flow.

What Are Growth Metrics Telling Us About The High P/E?

The only time you'd be truly comfortable seeing a P/E as high as National Gas and Industrialization's is when the company's growth is on track to outshine the market.

Retrospectively, the last year delivered a decent 9.4% gain to the company's bottom line. The solid recent performance means it was also able to grow EPS by 24% in total over the last three years. Therefore, it's fair to say the earnings growth recently has been respectable for the company.

Comparing that to the market, which is predicted to deliver 12% growth in the next 12 months, the company's momentum is weaker based on recent medium-term annualised earnings results.

With this information, we find it concerning that National Gas and Industrialization is trading at a P/E higher than the market. Apparently many investors in the company are way more bullish than recent times would indicate and aren't willing to let go of their stock at any price. There's a good chance existing shareholders are setting themselves up for future disappointment if the P/E falls to levels more in line with recent growth rates.

The Bottom Line On National Gas and Industrialization's P/E

Typically, we'd caution against reading too much into price-to-earnings ratios when settling on investment decisions, though it can reveal plenty about what other market participants think about the company.

We've established that National Gas and Industrialization currently trades on a much higher than expected P/E since its recent three-year growth is lower than the wider market forecast. When we see weak earnings with slower than market growth, we suspect the share price is at risk of declining, sending the high P/E lower. Unless the recent medium-term conditions improve markedly, it's very challenging to accept these prices as being reasonable.

It's always necessary to consider the ever-present spectre of investment risk. We've identified 1 warning sign with National Gas and Industrialization , and understanding should be part of your investment process.

If you're unsure about the strength of National Gas and Industrialization's business, why not explore our interactive list of stocks with solid business fundamentals for some other companies you may have missed.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.