Preformed Line Products Co (STU:P4L) Cyclically Adjusted PB Ratio: 5.08 (As of Sep. 15, 2026) — 248% Above Median

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STU:P4L Preformed Line Products Co STU:P4L
62 GF Score
Price €344.00
GF Value €162.82
Valuation Significantly Overvalued
! 6 Warning Signs
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What is Preformed Line Products Co Cyclically Adjusted PB Ratio?

Preformed Line Products Co STU:P4L -5.49% 62 Cyclically Adjusted PB Ratio is 5.08 as of Sep. 15, 2026, which is 248% above its 10-year median of 1.46. GuruFocus rates STU:P4L with a GF Score™ of 62/100 and a GF Value™ of €162.82 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 2,099 Industrial Products companies, Preformed Line Products Co ranks worse than 81.23% on this metric.

As of today (2026-09-15), Preformed Line Products Co's current share price is €344.00. Preformed Line Products Co's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was €67.74. Preformed Line Products Co's Cyclically Adjusted PB Ratio for today is 5.08.

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

STU:P4L' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.86   Med: 1.46   Max: 6.01
Current: 5.44

During the past years, Preformed Line Products Co's highest Cyclically Adjusted PB Ratio was 6.01. The lowest was 0.86. And the median was 1.46.

STU:P4L's Cyclically Adjusted PB Ratio is ranked worse than
81.23% of 2099 companies
in the Industrial Products industry
Industry Median: 2.08 vs STU:P4L: 5.44

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.

Preformed Line Products Co's adjusted book value per share data for the three months ended in Jun. 2026 was €88.636. 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 €67.74 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Preformed Line Products Co  (STU:P4L) 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.


Preformed Line Products Co Cyclically Adjusted PB Ratio Related Terms


Preformed Line Products Co Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Preformed Line Products Co'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.

Preformed Line Products Co Cyclically Adjusted PB Ratio Chart

Preformed Line Products Co 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 0.00 0.00 0.00 0.00 2.61

Preformed Line Products Co 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 2.10 2.54 2.68 3.46 5.16

STU:P4L vs ENR, AMPX, FCEL: Cyclically Adjusted PB Ratio Comparison

For the Electrical Equipment & Parts subindustry, Preformed Line Products Co'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.


Preformed Line Products Co Cyclically Adjusted PB Ratio vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Preformed Line Products Co's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Preformed Line Products Co's Cyclically Adjusted PB Ratio falls into.


STU:P4L
62GF Score
Preformed Line Products Co STU:P4L
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Preformed Line Products Co 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.

Preformed Line Products Co's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=344.00/67.74
=5.08

* 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.

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

For example, Preformed Line Products Co'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)
=88.636/333.9520*333.9520
=88.636

Current CPI (Jun. 2026) = 333.9520.

Preformed Line Products Co Quarterly Data

Book Value per Share CPI Adj_Book
201609 39.314 241.428 54.381
201612 41.413 241.432 57.283
201703 42.041 243.801 57.587
201706 40.548 244.955 55.280
201709 40.646 246.819 54.995
201712 39.428 246.524 53.411
201803 39.783 249.554 53.237
201806 40.730 251.989 53.978
201809 42.326 252.439 55.993
201812 43.451 251.233 57.757
201903 44.043 254.202 57.860
201906 45.007 256.143 58.679
201909 47.491 256.759 61.769
201912 47.919 256.974 62.273
202003 45.887 258.115 59.369
202006 47.663 257.797 61.743
202009 48.512 260.280 62.243
202012 48.693 260.474 62.429
202103 50.420 264.877 63.569
202106 52.184 271.696 64.141
202109 54.377 274.310 66.200
202112 56.645 278.802 67.850
202203 59.839 287.504 69.506
202206 64.410 296.311 72.592
202209 68.678 296.808 77.273
202212 68.339 296.797 76.894
202303 70.822 301.836 78.358
202306 74.268 305.109 81.289
202309 77.173 307.789 83.733
202312 76.752 306.746 83.559
202403 77.825 312.332 83.212
202406 79.038 314.175 84.013
202409 78.486 315.301 83.129
202412 83.003 315.605 87.828
202503 81.671 319.799 85.285
202506 79.707 322.561 82.522
202509 80.966 324.800 83.247
202512 82.504 324.054 85.024
202603 84.088 330.213 85.040
202606 88.636 333.952 88.636

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 5.08 mean?
Preformed Line Products Co (STU:P4L) has a Cyclically Adjusted PB Ratio of 5.08 as of Sep. 15, 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 Preformed Line Products Co and its competitors. This is 248% above median its historical median of 1.46. Over the past decade, Preformed Line Products Co's Cyclically Adjusted PB Ratio has ranged from 0.86 to 6.01. According to the industry distribution chart, Preformed Line Products Co ranks #1705 out of 2099 companies in the Industrial Products industry, placing it in the top 81.2%.
Is Preformed Line Products Co's Cyclically Adjusted PB Ratio too high?
Preformed Line Products Co's current Cyclically Adjusted PB Ratio of 5.08 is 248% above median its 10-year median of 1.46. Over the past 10 years, this metric has ranged from a low of 0.86 to a high of 6.01. The Industrial Products industry median Cyclically Adjusted PB Ratio is 2.08. Preformed Line Products Co's value of 5.08 is 144.2% above this industry median. Based on the distribution chart, Preformed Line Products Co ranks #1705 out of 2099 companies in the Industrial Products industry, which is in the bottom quartile relative to peers. Overall, Preformed Line Products Co has a GF Score™ of 62/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Preformed Line Products Co's Cyclically Adjusted PB Ratio compare to ENR and AMPX?
According to the Industrial Products industry distribution chart, Preformed Line Products Co ranks #1705 out of 2099 companies for Cyclically Adjusted PB Ratio. This places Preformed Line Products Co in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.08. Preformed Line Products Co's value of 5.08 is 144.2% above this benchmark. Historically, Preformed Line Products Co's own Cyclically Adjusted PB Ratio has ranged from 0.86 to 6.01 over the past decade. While the company's 10-year median is 1.46 vs. the industry median of 2.08, Preformed Line Products 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 Cyclically Adjusted PB Ratio for an Industrial Products company?
The median Cyclically Adjusted PB Ratio among Industrial Products companies is 2.08, based on 2,099 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. Preformed Line Products Co's current Cyclically Adjusted PB Ratio of 5.08 is 144.2% 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 Preformed Line Products Co and its competitors. For the Industrial Products 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. Preformed Line Products Co's current Cyclically Adjusted PB Ratio is 5.08, which is 248% above median its own 10-year median of 1.46. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Preformed Line Products Co stock overvalued right now?
Based on GuruFocus' analysis, Preformed Line Products Co (STU:P4L) is currently considered Significantly Overvalued. The stock's GF Value™ is €162.82, compared to a current price of €344.00 — trading 111.3% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 5.08, which is 248% above median its 10-year median of 1.46 and 144.2% above the Industrial Products industry median of 2.08. Preformed Line Products Co's overall GF Score™ is 62/100 with 6 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 Preformed Line Products Co (STU:P4L), the current Cyclically Adjusted PB Ratio is 5.08 as of Sep. 15, 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 Preformed Line Products Co (STU:P4L) Overvalued in 2026?

Based on GuruFocus' analysis, Preformed Line Products Co stock appears to be overvalued. The current stock price of €344.00 is trading 111.3% above its estimated GF Value™ of €162.82. GuruFocus considers Preformed Line Products Co to be Significantly Overvalued.

Key valuation signals for STU:P4L:

  • Cyclically Adjusted PB Ratio: 5.08 (248% above median its 10-year median of 1.46)
  • GF Value™: €162.82 vs. price of €344.00 (111.3% above fair value)
  • GF Score™: 62/100 with 6 warning signs
  • Industry Position: 144.2% above the Industrial Products median (#1705 of 2099)

No single metric tells the full story. See the STU:P4L stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Preformed Line Products Co Business Description

Other Exchanges PLPC:USAP4L:Germany
Address 660 Beta Drive, Mayfield Village, Cleveland, OH, USA, 44143
Preformed Line Products Co is a designer and manufacturer of products and systems for constructing and maintaining overhead and underground networks for energy, telecommunication, cable operators, data communication, and other industries. The Company's primary products support, protect, connect, terminate, and secure cables and wires. The Company provides helical solutions, connectors, fiber optic and copper splice closures, solar framing applications, and electric vehicle charging station foundations. The Company's customers include public and private energy utilities and communication companies, cable operators, contractors and subcontractors, distributors, and value-added resellers. Geographically, the company operates in four regions: PLP-USA, the Americas, EMEA, and Asia-Pacific.
62GF Score

Get the complete analysis for STU:P4L

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

€344.00
Price
€162.82
GF Value