Comet Holding AG (STU:EZP1) Cyclically Adjusted PB Ratio: 10.03 (As of Aug. 02, 2026) — 33% Above Median

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STU:EZP1 Comet Holding AG STU:EZP1
83 GF Score
Price €353.20
GF Value €278.44
Valuation Modestly Overvalued
! 5 Warning Signs
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What is Comet Holding AG Cyclically Adjusted PB Ratio?

Comet Holding AG STU:EZP1 -3.34% 83 Cyclically Adjusted PB Ratio is 10.03 as of Aug. 02, 2026, which is 33% above its 10-year median of 7.54. GuruFocus rates STU:EZP1 with a GF Score™ of 83/100 and a GF Value™ of €278.44 (Modestly Overvalued). The stock has 5 warning signs investors should review. Among 1,973 Hardware companies, Comet Holding AG ranks worse than 92.25% on this metric.

As of today (2026-08-02), Comet Holding AG's current share price is €353.20. Comet Holding AG's Cyclically Adjusted Book per Share for the fiscal year that ended in Dec25 was €35.21. Comet Holding AG's Cyclically Adjusted PB Ratio for today is 10.03.

The historical rank and industry rank for Comet Holding AG's Cyclically Adjusted PB Ratio or its related term are showing as below:

STU:EZP1' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 4.12   Med: 7.54   Max: 16.94
Current: 10.6

During the past 13 years, Comet Holding AG's highest Cyclically Adjusted PB Ratio was 16.94. The lowest was 4.12. And the median was 7.54.

STU:EZP1's Cyclically Adjusted PB Ratio is ranked worse than
92.25% of 1973 companies
in the Hardware industry
Industry Median: 2 vs STU:EZP1: 10.60

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

Comet Holding AG's adjusted book value per share data of for the fiscal year that ended in Dec25 was €42.586. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is €35.21 for the trailing ten years ended in Dec25.

Shiller PE for Stocks: The True Measure of Stock Valuation


Comet Holding AG  (STU:EZP1) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.


Comet Holding AG Cyclically Adjusted PB Ratio Related Terms


Comet Holding AG Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Comet Holding AG's Cyclically Adjusted PB 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.

Comet Holding AG Cyclically Adjusted PB Ratio Chart

Comet Holding AG Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 14.04 7.17 8.93 7.81 6.70

Comet Holding AG Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
Cyclically Adjusted PB Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 8.93 0.00 7.81 0.00 6.70

STU:EZP1 vs COHR, KEYS, GRMN: Cyclically Adjusted PB Ratio Comparison

For the Scientific & Technical Instruments subindustry, Comet Holding AG's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB 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 Cyclically Adjusted PB Ratio vs Hardware Industry

For the Hardware industry and Technology sector, Comet Holding AG's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Comet Holding AG's Cyclically Adjusted PB Ratio falls into.


STU:EZP1
83GF Score
Comet Holding AG STU:EZP1
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Comet Holding AG Cyclically Adjusted PB Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.

Comet Holding AG's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=353.20/35.21
=10.03

* 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 Cyclically Adjusted Book per Share for the fiscal year that ended in Dec25 is calculated as:

For example, Comet Holding AG's adjusted Book Value per Share data for the fiscal year that ended in Dec25 was:

Adj_Book=Book Value per Share/CPI of Dec25 (Change)*Current CPI (Dec25)
=42.586/107.2000*107.2000
=42.586

Current CPI (Dec25) = 107.2000.

Comet Holding AG Annual Data

Book Value per Share CPI Adj_Book
201612 20.645 99.380 22.270
201712 22.075 100.213 23.614
201812 22.645 100.906 24.057
201912 23.116 101.063 24.520
202012 25.604 100.241 27.382
202112 34.007 101.776 35.820
202212 43.214 104.666 44.260
202312 40.397 106.461 40.677
202412 44.545 107.128 44.575
202512 42.586 107.200 42.586

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

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.

What does a Cyclically Adjusted PB Ratio of 10.03 mean?
Comet Holding AG (STU:EZP1) has a Cyclically Adjusted PB Ratio of 10.03 as of Aug. 02, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Comet Holding AG and its competitors. This is 33% above median its historical median of 7.54. Over the past decade, Comet Holding AG's Cyclically Adjusted PB Ratio has ranged from 4.12 to 16.94. According to the industry distribution chart, Comet Holding AG ranks #1820 out of 1973 companies in the Hardware industry, placing it in the top 92.2%.
Is Comet Holding AG's Cyclically Adjusted PB Ratio too high?
Comet Holding AG's current Cyclically Adjusted PB Ratio of 10.03 is 33% above median its 10-year median of 7.54. Over the past 10 years, this metric has ranged from a low of 4.12 to a high of 16.94. The Hardware industry median Cyclically Adjusted PB Ratio is 2.00. Comet Holding AG's value of 10.03 is 401.5% above this industry median. Based on the distribution chart, Comet Holding AG ranks #1820 out of 1973 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, Comet Holding AG has a GF Score™ of 83/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Comet Holding AG's Cyclically Adjusted PB Ratio compare to COHR and KEYS?
According to the Hardware industry distribution chart, Comet Holding AG ranks #1820 out of 1973 companies for Cyclically Adjusted PB Ratio. This places Comet Holding AG in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.00. Comet Holding AG's value of 10.03 is 401.5% above this benchmark. Historically, Comet Holding AG's own Cyclically Adjusted PB Ratio has ranged from 4.12 to 16.94 over the past decade. While the company's 10-year median is 7.54 vs. the industry median of 2.00, 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 Cyclically Adjusted PB Ratio for a Hardware company?
The median Cyclically Adjusted PB Ratio among Hardware companies is 2.00, based on 1,973 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Comet Holding AG's current Cyclically Adjusted PB Ratio of 10.03 is 401.5% 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 Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Comet Holding AG and its competitors. For the Hardware industry, the median Cyclically Adjusted PB Ratio is 2.00 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Comet Holding AG's current Cyclically Adjusted PB Ratio is 10.03, which is 33% above median its own 10-year median of 7.54. 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 (STU:EZP1) is currently considered Modestly Overvalued. The stock's GF Value™ is €278.44, compared to a current price of €353.20 — trading 26.8% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 10.03, which is 33% above median its 10-year median of 7.54 and 401.5% above the Hardware industry median of 2.00. Comet Holding AG's overall GF Score™ is 83/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Comet Holding AG (STU:EZP1), the current Cyclically Adjusted PB Ratio is 10.03 as of Aug. 02, 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 (STU:EZP1) Overvalued in 2026?

Based on GuruFocus' analysis, Comet Holding AG stock appears to be overvalued. The current stock price of €353.20 is trading 26.8% above its estimated GF Value™ of €278.44. GuruFocus considers Comet Holding AG to be Modestly Overvalued.

Key valuation signals for STU:EZP1:

  • Cyclically Adjusted PB Ratio: 10.03 (33% above median its 10-year median of 7.54)
  • GF Value™: €278.44 vs. price of €353.20 (26.8% above fair value)
  • GF Score™: 83/100 with 5 warning signs
  • Industry Position: 401.5% above the Hardware median (#1820 of 1973)

No single metric tells the full story. See the STU:EZP1 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Comet Holding AG Business Description

Address Herrengasse 10, Postfach 141, Flamatt, CHE, 3175
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).
83GF Score

Get the complete analysis for STU:EZP1

Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€353.20
Price
€278.44
GF Value