With a price-to-earnings (or "P/E") ratio of 10.8x Tianqi Lithium Corporation (SZSE:002466) may be sending very bullish signals at the moment, given that almost half of all companies in China have P/E ratios greater than 28x and even P/E's higher than 50x are not unusual. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the highly reduced P/E.

Tianqi Lithium could be doing better as its earnings have been going backwards lately while most other companies have been seeing positive earnings growth. It seems that many are expecting the dour earnings performance to persist, which has repressed the P/E. If you still like the company, you'd be hoping this isn't the case so that you could potentially pick up some stock while it's out of favour.

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

The only time you'd be truly comfortable seeing a P/E as depressed as Tianqi Lithium's is when the company's growth is on track to lag the market decidedly.

Retrospectively, the last year delivered a frustrating 71% decrease to the company's bottom line. Unfortunately, that's brought it right back to where it started three years ago with EPS growth being virtually non-existent overall during that time. Accordingly, shareholders probably wouldn't have been overly satisfied with the unstable medium-term growth rates.

Looking ahead now, EPS is anticipated to slump, contracting by 5.4% per annum during the coming three years according to the analysts following the company. That's not great when the rest of the market is expected to grow by 21% each year.

With this information, we are not surprised that Tianqi Lithium is trading at a P/E lower than the market. Nonetheless, there's no guarantee the P/E has reached a floor yet with earnings going in reverse. There's potential for the P/E to fall to even lower levels if the company doesn't improve its profitability.

The Bottom Line On Tianqi Lithium's P/E

It's argued the price-to-earnings ratio is an inferior measure of value within certain industries, but it can be a powerful business sentiment indicator.

We've established that Tianqi Lithium maintains its low P/E on the weakness of its forecast for sliding earnings, as expected. At this stage investors feel the potential for an improvement in earnings isn't great enough to justify a higher P/E ratio. It's hard to see the share price rising strongly in the near future under these circumstances.

Plus, you should also learn about these 2 warning signs we've spotted with Tianqi Lithium.

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

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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.