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Staar Surgical CoSTAA -3.41%81 Shiller PE Ratio is 377.67 as of Sep. 11, 2026, which is 30% below its 10-year median of 541.44. GuruFocus rates STAA with a GF Score™ of 81/100 and a GF Value™ of $33.41 (Possible Value Trap). The stock has 4 warning signs investors should review. Among 311 Medical Devices & Instruments companies, Staar Surgical Co ranks worse than 99.04% on this metric.
The historical rank and industry rank for Staar Surgical Co's Shiller PE Ratio or its related term are showing as below:
STAA'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 109.64 Med: 541.44 Max: 12779
Current: 377.67
During the past years, Staar Surgical Co's highest Shiller PE Ratio was 12779.00. The lowest was 109.64. And the median was 541.44.
STAA's Shiller PE Ratio is ranked worse than 99.04% of 311
companies
in the Medical Devices & Instruments industry
Industry Median: 25.6
vs STAA: 377.67
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.
Staar Surgical Co's adjusted earnings per share data for the three months ended in Jun. 2026 was $0.160. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $0.06 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Staar Surgical Co (NAS:STAA) Shiller PE Ratio Explanation
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.
Staar Surgical Co Shiller PE Ratio Related Terms
Staar Surgical Co Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for Staar Surgical Co'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.
STAA vs AZTA, KMTS, ANGO: Shiller PE Ratio Comparison
For the Medical Instruments & Supplies subindustry, Staar Surgical Co'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.
Staar Surgical Co Shiller PE Ratio vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, Staar Surgical Co's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Staar Surgical Co'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.
* 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.
Staar Surgical Co's E10 for the quarter that ended in Jun. 2026 is calculated as:
For example, Staar Surgical Co's adjusted earnings per share data for the three months ended in Jun. 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.
Staar Surgical Co (STAA) has a Shiller PE Ratio of 377.67 as of Sep. 11, 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 Staar Surgical Co and its competitors. This is 30% below median its historical median of 541.44. Over the past decade, Staar Surgical Co's Shiller PE Ratio has ranged from 109.64 to 12,779.00. According to the industry distribution chart, Staar Surgical Co ranks #308 out of 311 companies in the Medical Devices & Instruments industry, placing it in the top 99%.
Is Staar Surgical Co's Shiller PE Ratio too high?
Staar Surgical Co's current Shiller PE Ratio of 377.67 is 30% below median its 10-year median of 541.44. Over the past 10 years, this metric has ranged from a low of 109.64 to a high of 12,779.00. The Medical Devices & Instruments industry median Shiller PE Ratio is 25.60. Staar Surgical Co's value of 377.67 is 1375.3% above this industry median. Based on the distribution chart, Staar Surgical Co ranks #308 out of 311 companies in the Medical Devices & Instruments industry, which is in the bottom quartile relative to peers. Overall, Staar Surgical Co has a GF Score™ of 81/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Staar Surgical Co's Shiller PE Ratio compare to AZTA and KMTS?
According to the Medical Devices & Instruments industry distribution chart, Staar Surgical Co ranks #308 out of 311 companies for Shiller PE Ratio. This places Staar Surgical Co in the lower half of its industry. The industry median Shiller PE Ratio is 25.60. Staar Surgical Co's value of 377.67 is 1375.3% above this benchmark. Historically, Staar Surgical Co's own Shiller PE Ratio has ranged from 109.64 to 12,779.00 over the past decade. While the company's 10-year median is 541.44 vs. the industry median of 25.60, Staar Surgical Co has consistently been above 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 25.60, based on 311 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. Staar Surgical Co's current Shiller PE Ratio of 377.67 is 1375.3% above 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 Staar Surgical Co and its competitors. For the Medical Devices & Instruments industry, the median Shiller PE Ratio is 25.60 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Staar Surgical Co's current Shiller PE Ratio is 377.67, which is 30% below median its own 10-year median of 541.44. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Staar Surgical Co stock overvalued right now?
Based on GuruFocus' analysis, Staar Surgical Co (STAA) is currently considered Possible Value Trap. The stock's GF Value™ is $33.41, compared to a current price of $22.66 — trading 32.2% below its estimated fair value. The current Shiller PE Ratio is 377.67, which is 30% below median its 10-year median of 541.44 and 1375.3% above the Medical Devices & Instruments industry median of 25.60. Staar Surgical Co's overall GF Score™ is 81/100 with 4 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 Staar Surgical Co (STAA), the current Shiller PE Ratio is 377.67 as of Sep. 11, 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 Staar Surgical Co (STAA) Overvalued in 2026?
Based on GuruFocus' analysis, Staar Surgical Co stock appears to be undervalued.
The current stock price of $22.66 is trading 32.2% below its estimated GF Value™ of $33.41.
GuruFocus considers Staar Surgical Co to be Possible Value Trap.
Key valuation signals for STAA:
Shiller PE Ratio: 377.67 (30% below median its 10-year median of 541.44)
GF Value™: $33.41 vs. price of $22.66 (32.2% below fair value)
Industry Position: 1375.3% above the Medical Devices & Instruments median (#308 of 311)
No single metric tells the full story. See the STAA stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Staar Surgical Co is a manufacturer of lenses. It designs, develops, manufactures, and sells implantable lenses for the eye and delivery systems used to deliver the lenses into the eye. The company offers two types of products: Implantable Collamer lenses (ICL), which are used in refractive surgery. The company generates almost all of its revenue from the sale of its ICL products. Geographically, the company generates key revenue from Foreign sales.
81GF Score
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