17 Education & Technology Group Inc. (NASDAQ:YQ) shareholders would be excited to see that the share price has had a great month, posting a 27% gain and recovering from prior weakness. Not all shareholders will be feeling jubilant, since the share price is still down a very disappointing 35% in the last twelve months.

Although its price has surged higher, considering around half the companies operating in the United States' Consumer Services industry have price-to-sales ratios (or "P/S") above 1.4x, you may still consider 17 Education & Technology Group as an solid investment opportunity with its 0.5x P/S ratio. However, the P/S might be low for a reason and it requires further investigation to determine if it's justified.

What Does 17 Education & Technology Group's Recent Performance Look Like?

For example, consider that 17 Education & Technology Group's financial performance has been poor lately as its revenue has been in decline. It might be that many expect the disappointing revenue performance to continue or accelerate, which has repressed the P/S. However, if this doesn't eventuate then existing shareholders may be feeling optimistic about the future direction of the share price.

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

There's an inherent assumption that a company should underperform the industry for P/S ratios like 17 Education & Technology Group's to be considered reasonable.

In reviewing the last year of financials, we were disheartened to see the company's revenues fell to the tune of 24%. This means it has also seen a slide in revenue over the longer-term as revenue is down 90% in total over the last three years. Accordingly, shareholders would have felt downbeat about the medium-term rates of revenue growth.

In contrast to the company, the rest of the industry is expected to grow by 14% over the next year, which really puts the company's recent medium-term revenue decline into perspective.

With this in mind, we understand why 17 Education & Technology Group's P/S is lower than most of its industry peers. However, we think shrinking revenues are unlikely to lead to a stable P/S over the longer term, which could set up shareholders for future disappointment. There's potential for the P/S to fall to even lower levels if the company doesn't improve its top-line growth.

The Bottom Line On 17 Education & Technology Group's P/S

17 Education & Technology Group's stock price has surged recently, but its but its P/S still remains modest. Typically, we'd caution against reading too much into price-to-sales ratios when settling on investment decisions, though it can reveal plenty about what other market participants think about the company.

Our examination of 17 Education & Technology Group confirms that the company's shrinking revenue over the past medium-term is a key factor in its low price-to-sales ratio, given the industry is projected to grow. At this stage investors feel the potential for an improvement in revenue isn't great enough to justify a higher P/S ratio. If recent medium-term revenue trends continue, it's hard to see the share price moving strongly in either direction in the near future under these circumstances.

Before you take the next step, you should know about the 1 warning sign for 17 Education & Technology Group that we have uncovered.

It's important to make sure you look for a great company, not just the first idea you come across. So if growing profitability aligns with your idea of a great company, take a peek at this free list of interesting companies with strong recent earnings growth (and a low P/E).

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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.