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Comet Holding AGXSWX:COTN +1.78%82 Shiller PE Ratio is 79.81 as of Sep. 05, 2026, which is 26% above its 10-year median of 63.32. GuruFocus rates XSWX:COTN with a GF Score™ of 82/100 and a GF Value™ of CHF305.03 (Modestly Overvalued). The stock has 4 warning signs investors should review. Among 1,421 Hardware companies, Comet Holding AG ranks worse than 80.08% on this metric.
As of today (2026-09-05), Comet Holding AG's current share price is CHF343.20. Comet Holding AG's E10 for the fiscal year that ended in Dec25 was CHF4.30. Comet Holding AG's Shiller PE Ratio for today is 79.81.
The historical rank and industry rank for Comet Holding AG's Shiller PE Ratio or its related term are showing as below:
XSWX:COTN'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 38.67 Med: 63.32 Max: 149.19
Current: 79.44
During the past 13 years, Comet Holding AG's highest Shiller PE Ratio was 149.19. The lowest was 38.67. And the median was 63.32.
XSWX:COTN's Shiller PE Ratio is ranked worse than 80.08% of 1421
companies
in the Hardware industry
Industry Median: 30.94
vs XSWX:COTN: 79.44
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.
Comet Holding AG's adjusted earnings per share data of for the fiscal year that ended in Dec25 was CHF1.570. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is CHF4.30 for the trailing ten years ended in Dec25.
Shiller PE for Stocks: The True Measure of Stock Valuation
Comet Holding AG (XSWX:COTN) 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.
Comet Holding AG Shiller PE Ratio Related Terms
Comet Holding AG Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for Comet Holding AG'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.
XSWX:COTN vs GRMN, COHR, KEYS: Shiller PE Ratio Comparison
For the Scientific & Technical Instruments subindustry, Comet Holding AG'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.
Comet Holding AG Shiller PE Ratio vs Hardware Industry
For the Hardware industry and Technology sector, Comet Holding AG's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Comet Holding AG'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.
Comet Holding AG's E10 for the fiscal year that ended in Dec25 is calculated as:
For example, Comet Holding AG's adjusted earnings per share data for the fiscal year that ended in Dec25 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.
Comet Holding AG (XSWX:COTN) has a Shiller PE Ratio of 79.81 as of Sep. 05, 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 Comet Holding AG and its competitors. This is 26% above median its historical median of 63.32. Over the past decade, Comet Holding AG's Shiller PE Ratio has ranged from 38.67 to 149.19. According to the industry distribution chart, Comet Holding AG ranks #1138 out of 1421 companies in the Hardware industry, placing it in the top 80.1%.
Is Comet Holding AG's Shiller PE Ratio too high?
Comet Holding AG's current Shiller PE Ratio of 79.81 is 26% above median its 10-year median of 63.32. Over the past 10 years, this metric has ranged from a low of 38.67 to a high of 149.19. The Hardware industry median Shiller PE Ratio is 30.94. Comet Holding AG's value of 79.81 is 158% above this industry median. Based on the distribution chart, Comet Holding AG ranks #1138 out of 1421 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, Comet Holding AG has a GF Score™ of 82/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Comet Holding AG's Shiller PE Ratio compare to GRMN and COHR?
According to the Hardware industry distribution chart, Comet Holding AG ranks #1138 out of 1421 companies for Shiller PE Ratio. This places Comet Holding AG in the lower half of its industry. The industry median Shiller PE Ratio is 30.94. Comet Holding AG's value of 79.81 is 158% above this benchmark. Historically, Comet Holding AG's own Shiller PE Ratio has ranged from 38.67 to 149.19 over the past decade. While the company's 10-year median is 63.32 vs. the industry median of 30.94, Comet Holding AG 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 Hardware company?
The median Shiller PE Ratio among Hardware companies is 30.94, based on 1,421 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. Comet Holding AG's current Shiller PE Ratio of 79.81 is 158% 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 Comet Holding AG and its competitors. For the Hardware industry, the median Shiller PE Ratio is 30.94 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Comet Holding AG's current Shiller PE Ratio is 79.81, which is 26% above median its own 10-year median of 63.32. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Comet Holding AG stock overvalued right now?
Based on GuruFocus' analysis, Comet Holding AG (XSWX:COTN) is currently considered Modestly Overvalued. The stock's GF Value™ is CHF305.03, compared to a current price of CHF343.20 — trading 12.5% above its estimated fair value. The current Shiller PE Ratio is 79.81, which is 26% above median its 10-year median of 63.32 and 158% above the Hardware industry median of 30.94. Comet Holding AG's overall GF Score™ is 82/100 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 Comet Holding AG (XSWX:COTN), the current Shiller PE Ratio is 79.81 as of Sep. 05, 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 Comet Holding AG (XSWX:COTN) Overvalued in 2026?
Based on GuruFocus' analysis, Comet Holding AG stock appears to be overvalued.
The current stock price of CHF343.20 is trading 12.5% above its estimated GF Value™ of CHF305.03.
GuruFocus considers Comet Holding AG to be Modestly Overvalued.
Key valuation signals for XSWX:COTN:
Shiller PE Ratio: 79.81 (26% above median its 10-year median of 63.32)
GF Value™: CHF305.03 vs. price of CHF343.20 (12.5% above fair value)
Industry Position: 158% above the Hardware median (#1138 of 1421)
No single metric tells the full story. See the XSWX:COTN stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Comet Holding AG is a vendor of X-ray, radio frequency (RF) power, and e-beam technology. It markets its systems and services under the Comet, Yxlon, and ebeam brands. Yxlon x-ray systems for non-destructive testing are supplied to end customers in the automotive, aerospace, electronics, and energy sectors. Under the Comet brand, the group builds components and modules such as x-ray sources, vacuum capacitors, RF generators, and impedance matching networks, marketed to manufacturers in the automotive, aerospace, semiconductor, and solar industries, as well as the security sector. The Group has three operating divisions: Plasma Control Technologies (PCT), X-Ray Systems (IXS), and Industrial X-Ray Modules (IXM).
82GF Score
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