ESCO Technologies Inc.'s (NYSE:ESE) price-to-earnings (or "P/E") ratio of 40.8x might make it look like a strong sell right now compared to the market in the United States, where around half of the companies have P/E ratios below 17x and even P/E's below 10x are quite common. However, the P/E might be quite high for a reason and it requires further investigation to determine if it's justified.
ESCO Technologies certainly has been doing a good job lately as it's been growing earnings more than most other companies. The P/E is probably high because investors think this strong earnings performance will continue. If not, then existing shareholders might be a little nervous about the viability of the share price.
Check out our latest analysis for ESCO Technologies
What Are Growth Metrics Telling Us About The High P/E?
The only time you'd be truly comfortable seeing a P/E as steep as ESCO Technologies' is when the company's growth is on track to outshine the market decidedly.
If we review the last year of earnings growth, the company posted a terrific increase of 20%. Pleasingly, EPS has also lifted 88% in aggregate from three years ago, thanks to the last 12 months of growth. Accordingly, shareholders would have probably welcomed those medium-term rates of earnings growth.
Turning to the outlook, the next year should generate growth of 31% as estimated by the four analysts watching the company. That's shaping up to be materially higher than the 13% growth forecast for the broader market.
With this information, we can see why ESCO Technologies is trading at such a high P/E compared to the market. Apparently shareholders aren't keen to offload something that is potentially eyeing a more prosperous future.

What We Can Learn From ESCO Technologies' P/E?
We'd say the price-to-earnings ratio's power isn't primarily as a valuation instrument but rather to gauge current investor sentiment and future expectations.
We've established that ESCO Technologies maintains its high P/E on the strength of its forecast growth being higher than the wider market, as expected. At this stage investors feel the potential for a deterioration in earnings isn't great enough to justify a lower P/E ratio. Unless these conditions change, they will continue to provide strong support to the share price.
Many other vital risk factors can be found on the company's balance sheet. Take a look at our free balance sheet analysis for ESCO Technologies with six simple checks on some of these key factors.
If these risks are making you reconsider your opinion on ESCO Technologies, explore our interactive list of high quality stocks to get an idea of what else is out there.
Valuation is complex, but we're here to simplify it.
Discover if ESCO Technologies might be undervalued or overvalued with our detailed analysis, featuring fair value estimates, potential risks, dividends, insider trades, and its financial condition.
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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.
About NYSE:ESE
ESCO Technologies
Provides engineered filtration and fluid control products, and integrated propulsion systems.
Excellent balance sheet with acceptable track record.
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