Amphenol (TSX:APH) Cyclically Adjusted PB Ratio: 12.63 (As of Sep. 03, 2026) — 145% Above Median

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TSX:APH Amphenol Corp TSX:APH
75 GF Score
Price C$24.37
GF Value C$23.28
Valuation Fairly Valued
! 3 Warning Signs
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What is Amphenol Cyclically Adjusted PB Ratio?

Amphenol TSX:APH +2.31% 75 Cyclically Adjusted PB Ratio is 12.63 as of Sep. 03, 2026, which is 145% above its 10-year median of 5.16. GuruFocus rates TSX:APH with a GF Score™ of 75/100 and a GF Value™ of C$23.28 (Fairly Valued). The stock has 3 warning signs investors should review. Among 1,928 Hardware companies, Amphenol ranks worse than 94.09% on this metric.

As of today (2026-09-03), Amphenol's current share price is C$24.37. Amphenol's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was C$1.93. Amphenol's Cyclically Adjusted PB Ratio for today is 12.63.

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

TSX:APH' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 3.14   Med: 5.16   Max: 13.33
Current: 12.44

During the past years, Amphenol's highest Cyclically Adjusted PB Ratio was 13.33. The lowest was 3.14. And the median was 5.16.

TSX:APH's Cyclically Adjusted PB Ratio is ranked worse than
94.09% of 1928 companies
in the Hardware industry
Industry Median: 2.08 vs TSX:APH: 12.44

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.

Amphenol's adjusted book value per share data for the three months ended in Jun. 2026 was C$8.819. 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 C$1.93 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Amphenol  (TSX:APH) 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.


Amphenol Cyclically Adjusted PB Ratio Related Terms


Amphenol Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Amphenol'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.

Amphenol Cyclically Adjusted PB Ratio Chart

Amphenol 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 6.37 4.78 5.52 6.84 11.55

Amphenol Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 9.02 10.89 11.55 10.27 13.70

TSX:APH vs GLW, TEL, FLEX: Cyclically Adjusted PB Ratio Comparison

For the Electronic Components subindustry, Amphenol'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.


Amphenol Cyclically Adjusted PB Ratio vs Hardware Industry

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

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


TSX:APH
75GF Score
Amphenol Corp TSX:APH
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Amphenol 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.

Amphenol's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=24.37/1.93
=12.63

* 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.

Amphenol's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

For example, Amphenol's adjusted Book Value per Share data for the three months ended in Jun. 2026 was:

Adj_Book=Book Value per Share/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=8.819/333.9520*333.9520
=8.819

Current CPI (Jun. 2026) = 333.9520.

Amphenol Quarterly Data

Book Value per Share CPI Adj_Book
201609 1.970 241.428 2.725
201612 1.987 241.432 2.748
201703 2.030 243.801 2.781
201706 2.110 244.955 2.877
201709 2.047 246.819 2.770
201712 2.083 246.524 2.822
201803 2.094 249.554 2.802
201806 2.059 251.989 2.729
201809 2.168 252.439 2.868
201812 2.260 251.233 3.004
201903 2.312 254.202 3.037
201906 2.319 256.143 3.023
201909 2.323 256.759 3.021
201912 2.503 256.974 3.253
202003 2.586 258.115 3.346
202006 2.691 257.797 3.486
202009 2.793 260.280 3.584
202012 2.881 260.474 3.694
202103 2.874 264.877 3.623
202106 2.922 271.696 3.592
202109 3.152 274.310 3.837
202112 3.366 278.802 4.032
202203 3.406 287.504 3.956
202206 3.476 296.311 3.918
202209 3.683 296.808 4.144
202212 4.006 296.797 4.507
202303 4.199 301.836 4.646
202306 4.187 305.109 4.583
202309 4.442 307.789 4.820
202312 4.674 306.746 5.089
202403 4.884 312.332 5.222
202406 5.112 314.175 5.434
202409 5.312 315.301 5.626
202412 5.768 315.605 6.103
202503 6.114 319.799 6.385
202506 6.452 322.561 6.680
202509 7.077 324.800 7.276
202512 7.543 324.054 7.773
202603 7.799 330.213 7.887
202606 8.819 333.952 8.819

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 12.63 mean?
Amphenol (TSX:APH) has a Cyclically Adjusted PB Ratio of 12.63 as of Sep. 03, 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 Amphenol and its competitors. This is 145% above median its historical median of 5.16. Over the past decade, Amphenol's Cyclically Adjusted PB Ratio has ranged from 3.14 to 13.33. According to the industry distribution chart, Amphenol ranks #1814 out of 1928 companies in the Hardware industry, placing it in the top 94.1%.
Is Amphenol's Cyclically Adjusted PB Ratio too high?
Amphenol's current Cyclically Adjusted PB Ratio of 12.63 is 145% above median its 10-year median of 5.16. Over the past 10 years, this metric has ranged from a low of 3.14 to a high of 13.33. The Hardware industry median Cyclically Adjusted PB Ratio is 2.08. Amphenol's value of 12.63 is 507.2% above this industry median. Based on the distribution chart, Amphenol ranks #1814 out of 1928 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, Amphenol has a GF Score™ of 75/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Amphenol's Cyclically Adjusted PB Ratio compare to GLW and TEL?
According to the Hardware industry distribution chart, Amphenol ranks #1814 out of 1928 companies for Cyclically Adjusted PB Ratio. This places Amphenol in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.08. Amphenol's value of 12.63 is 507.2% above this benchmark. Historically, Amphenol's own Cyclically Adjusted PB Ratio has ranged from 3.14 to 13.33 over the past decade. While the company's 10-year median is 5.16 vs. the industry median of 2.08, Amphenol 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 2.08, based on 1,928 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. Amphenol's current Cyclically Adjusted PB Ratio of 12.63 is 507.2% 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 Amphenol and its competitors. For the Hardware industry, the median Cyclically Adjusted PB Ratio is 2.08 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Amphenol's current Cyclically Adjusted PB Ratio is 12.63, which is 145% above median its own 10-year median of 5.16. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Amphenol stock overvalued right now?
Based on GuruFocus' analysis, Amphenol (TSX:APH) is currently considered Fairly Valued. The stock's GF Value™ is C$23.28, compared to a current price of C$24.37 — trading 4.7% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 12.63, which is 145% above median its 10-year median of 5.16 and 507.2% above the Hardware industry median of 2.08. Amphenol's overall GF Score™ is 75/100 with 3 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 Amphenol (TSX:APH), the current Cyclically Adjusted PB Ratio is 12.63 as of Sep. 03, 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 Amphenol (TSX:APH) Overvalued in 2026?

Based on GuruFocus' analysis, Amphenol stock appears to be overvalued. The current stock price of C$24.37 is trading 4.7% above its estimated GF Value™ of C$23.28. GuruFocus considers Amphenol to be Fairly Valued.

Key valuation signals for TSX:APH:

  • Cyclically Adjusted PB Ratio: 12.63 (145% above median its 10-year median of 5.16)
  • GF Value™: C$23.28 vs. price of C$24.37 (4.7% above fair value)
  • GF Score™: 75/100 with 3 warning signs
  • Industry Position: 507.2% above the Hardware median (#1814 of 1928)

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


Amphenol Business Description

Address 358 Hall Avenue, Wallingford, CT, USA, 06492
Amphenol is a global supplier of connectors, sensors, and interconnect systems. It holds the second-largest connector market share globally and sells into the automotive, broadband, commercial air, industrial, IT and data communications, military, mobile devices, and mobile networks end markets. Amphenol is diversified geographically, with operations in 40 countries.
75GF Score

Get the complete analysis for TSX:APH

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

C$24.37
Price
C$23.28
GF Value