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The CooperCOO +0.30%88 Shiller PE Ratio is 19.82 as of Aug. 29, 2026, which is 47% below its 10-year median of 37.16. GuruFocus rates COO with a GF Score™ of 88/100 and a GF Value™ of $101.96 (Significantly Undervalued). The stock has 3 warning signs investors should review. Among 313 Medical Devices & Instruments companies, The Cooper ranks better than 59.74% on this metric.
As of today (2026-08-29), The Cooper's current share price is $71.17. The Cooper's E10 for the quarter that ended in Apr. 2026 was $3.59. The Cooper's Shiller PE Ratio for today is 19.82.
The historical rank and industry rank for The Cooper's Shiller PE Ratio or its related term are showing as below:
COO'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 16.6 Med: 37.16 Max: 65.07
Current: 19.83
During the past years, The Cooper's highest Shiller PE Ratio was 65.07. The lowest was 16.60. And the median was 37.16.
COO's Shiller PE Ratio is ranked better than 59.74% of 313
companies
in the Medical Devices & Instruments industry
Industry Median: 27.07
vs COO: 19.83
E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.
The Cooper's adjusted earnings per share data for the three months ended in Apr. 2026 was $-0.400. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $3.59 for the trailing ten years ended in Apr. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Compared with the regular PE Ratio, which works poorly for cyclical businesses, the Shiller PE Ratio smoothed out the fluctuations of profit margins during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Shiller PE Ratio should give similar results to regular PE Ratio.
Compared with the PS Ratio, the Shiller PE Ratio makes the comparison between different industries more meaningful.
Be Aware
Shiller PE Ratio assumes that over the long term, businesses and profitability revert to their means. If a company's business model does not work in the future compared with the past, Shiller PE Ratio and PS Ratio will give false valuations.
The Cooper Shiller PE Ratio Related Terms
The Cooper Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for The Cooper's Shiller PE Ratio can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
COO vs SOLV, ALGN, BAX: Shiller PE Ratio Comparison
For the Medical Instruments & Supplies subindustry, The Cooper's Shiller PE Ratio, along with its competitors' market caps and Shiller PE Ratio data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
The Cooper Shiller PE Ratio vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, The Cooper's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where The Cooper's Shiller PE Ratio falls into.
For Shiller PE Ratio, the earnings of the past 10 years are inflation-adjusted and averaged. The result is used for P/E calculation. Since it looks at the average over the last 10 years, the Shiller PE Ratio is also called PE10.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The same calculation is applied here to individual companies.
The Cooper's Shiller PE Ratio for today is calculated as
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
The Cooper's E10 for the quarter that ended in Apr. 2026 is calculated as:
For example, The Cooper's adjusted earnings per share data for the three months ended in Apr. 2026 was:
Add all the adjusted EPS together and divide 10 will get our E10.
Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.
The Cooper (COO) has a Shiller PE Ratio of 19.82 as of Aug. 29, 2026. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on The Cooper and its competitors. This is 47% below median its historical median of 37.16. Over the past decade, The Cooper's Shiller PE Ratio has ranged from 16.60 to 65.07. According to the industry distribution chart, The Cooper ranks #126 out of 313 companies in the Medical Devices & Instruments industry, placing it in the top 40.3%.
Is The Cooper's Shiller PE Ratio too high?
The Cooper's current Shiller PE Ratio of 19.82 is 47% below median its 10-year median of 37.16. Over the past 10 years, this metric has ranged from a low of 16.60 to a high of 65.07. The Medical Devices & Instruments industry median Shiller PE Ratio is 27.07. The Cooper's value of 19.82 is 26.8% below this industry median. Based on the distribution chart, The Cooper ranks #126 out of 313 companies in the Medical Devices & Instruments industry, which is above the industry midpoint. Overall, The Cooper has a GF Score™ of 88/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does The Cooper's Shiller PE Ratio compare to SOLV and ALGN?
According to the Medical Devices & Instruments industry distribution chart, The Cooper ranks #126 out of 313 companies for Shiller PE Ratio. This puts The Cooper in the upper half of its industry. The industry median Shiller PE Ratio is 27.07. The Cooper's value of 19.82 is 26.8% below this benchmark. Historically, The Cooper's own Shiller PE Ratio has ranged from 16.60 to 65.07 over the past decade. While the company's 10-year median is 37.16 vs. the industry median of 27.07, The Cooper has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Shiller PE Ratio for a Medical Devices & Instruments company?
The median Shiller PE Ratio among Medical Devices & Instruments companies is 27.07, based on 313 companies in the industry. Companies in the top quartile (top 25%) have a Shiller PE Ratio significantly above this median, while those in the bottom quartile fall well below. However, Shiller PE Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. The Cooper's current Shiller PE Ratio of 19.82 is 26.8% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Shiller PE Ratio mean?
A high Shiller PE Ratio can signal that a stock is expensive relative to its fundamentals. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on The Cooper and its competitors. For the Medical Devices & Instruments industry, the median Shiller PE Ratio is 27.07 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. The Cooper's current Shiller PE Ratio is 19.82, which is 47% below median its own 10-year median of 37.16. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is The Cooper stock overvalued right now?
Based on GuruFocus' analysis, The Cooper (COO) is currently considered Significantly Undervalued. The stock's GF Value™ is $101.96, compared to a current price of $71.17 — trading 30.2% below its estimated fair value. The current Shiller PE Ratio is 19.82, which is 47% below median its 10-year median of 37.16 and 26.8% below the Medical Devices & Instruments industry median of 27.07. The Cooper's overall GF Score™ is 88/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shiller PE Ratio calculated?
Shiller PE Ratio is calculated from a company's financial statements. For The Cooper (COO), the current Shiller PE Ratio is 19.82 as of Aug. 29, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is The Cooper (COO) Overvalued in 2026?
Based on GuruFocus' analysis, The Cooper stock appears to be undervalued.
The current stock price of $71.17 is trading 30.2% below its estimated GF Value™ of $101.96.
GuruFocus considers The Cooper to be Significantly Undervalued.
Key valuation signals for COO:
Shiller PE Ratio: 19.82 (47% below median its 10-year median of 37.16)
GF Value™: $101.96 vs. price of $71.17 (30.2% below fair value)
Industry Position: 26.8% below the Medical Devices & Instruments median (#126 of 313)
No single metric tells the full story. See the COO stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
CooperCompanies is one of the largest eyecare companies in the US. It operates in two segments: CooperVision and CooperSurgical. CooperVision is a pure-play contact lens business with a suite of spherical, multifocal, and toric contact lenses. The company also has one of the most comprehensive specialty lens portfolios in the world. With brands including Proclear, Biofinity, MyDay, and Clariti, Cooper controls roughly one fourth of the US contact lens market. CooperSurgical, founded in 1990, is made up of equipment related to reproductive care, fertility, and women's care. Cooper has the broadest medical device coverage of the entire IVF cycle. It also has Paragard, the only hormone-free IUD in the US, and controls 17% of the US IUD market.
88GF Score
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