Amphenol (WBO:APH) Shiller PE Ratio: (As of Sep. 22, 2026)

Author: Vera Yuan Vera Yuan
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Director of Data and Quant Analytics at GuruFocus
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Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

WBO:APH Amphenol Corp WBO:APH
95 GF Score
Price €69.08
GF Value €69.78
Valuation Fairly Valued
! 4 Warning Signs
View Full Analysis

What is Amphenol Shiller PE Ratio?

Shiller PE for Stocks: The True Measure of Stock Valuation


Amphenol  (WBO:APH) 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.


Amphenol Shiller PE Ratio Related Terms


Amphenol Shiller PE Ratio Historical Data

* Premium members only.

The historical data trend for Amphenol'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.

Amphenol Shiller PE Ratio Chart

Amphenol Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Shiller PE Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 55.87 42.39 46.27 60.43 84.85

Amphenol Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Shiller PE 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 66.82 79.26 84.49 73.49 97.98

WBO:APH vs GLW, TEL, FLEX: Shiller PE Ratio Comparison

For the Electronic Components subindustry, Amphenol'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.


Amphenol Shiller PE Ratio vs Hardware Industry

For the Hardware industry and Technology sector, Amphenol's Shiller PE Ratio distribution charts can be found below:

* The bar in red indicates where Amphenol's Shiller PE Ratio falls into.


WBO:APH
95GF Score
Amphenol Corp WBO:APH
Shiller PE Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Amphenol Shiller PE Ratio Calculation

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.

Amphenol's E10 for the quarter that ended in Jun. 2026 is calculated as:

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

Adj_EPS=Earnings per Share (Diluted)/CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=0.5901/333.9520*333.9520
=0.590

Current CPI (Jun. 2026) = 333.9520.

Amphenol Quarterly Data

Earnings per Share (Diluted) CPI Adj_EPS
201609 0.080 241.428 0.110
201612 0.087 241.432 0.120
201703 0.083 243.801 0.114
201706 0.091 244.955 0.124
201709 0.094 246.819 0.127
201712 -0.036 246.524 -0.049
201803 0.085 249.554 0.114
201806 0.096 251.989 0.127
201809 0.109 252.439 0.144
201812 0.119 251.233 0.159
201903 0.096 254.202 0.126
201906 0.104 256.143 0.135
201909 0.103 256.759 0.134
201912 0.117 256.974 0.152
202003 0.090 258.115 0.116
202006 0.096 257.797 0.125
202009 0.120 260.280 0.154
202012 0.120 260.474 0.154
202103 0.110 264.877 0.138
202106 0.123 271.696 0.151
202109 0.145 274.310 0.176
202112 0.162 278.802 0.194
202203 0.152 287.504 0.176
202206 0.179 296.311 0.202
202209 0.199 296.808 0.224
202212 0.201 296.797 0.226
202303 0.165 301.836 0.183
202306 0.171 305.109 0.187
202309 0.190 307.789 0.206
202312 0.192 306.746 0.209
202403 0.201 312.332 0.215
202406 0.193 314.175 0.205
202409 0.217 315.301 0.230
202412 0.276 315.605 0.292
202503 0.277 319.799 0.289
202506 0.378 322.561 0.392
202509 0.416 324.800 0.427
202512 0.399 324.054 0.411
202603 0.309 330.213 0.313
202606 0.590 333.952 0.590

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.

Is Amphenol (WBO:APH) Overvalued in 2026?

Based on GuruFocus' analysis, Amphenol stock appears to be undervalued. The current stock price of €69.08 is trading 1% below its estimated GF Value™ of €69.78. GuruFocus considers Amphenol to be Fairly Valued.

Key valuation signals for WBO:APH:

  • Shiller PE Ratio:
  • GF Value™: €69.78 vs. price of €69.08 (1% below fair value)
  • GF Score™: 95/100 with 4 warning signs

No single metric tells the full story. See the WBO: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.
95GF Score

Get the complete analysis for WBO:APH

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

€69.08
Price
€69.78
GF Value