ROCK (Gibraltar Industries) Cyclically Adjusted PB Ratio: 1.68 (As of Aug. 16, 2026) — 31% Below Median

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ROCK Gibraltar Industries Inc ROCK
69 GF Score
Price $47.88
GF Value $91.87
Valuation Possible Value Trap
! 4 Warning Signs
View Full Analysis

What is Gibraltar Industries Cyclically Adjusted PB Ratio?

Gibraltar Industries ROCK -2.15% 69 Cyclically Adjusted PB Ratio is 1.68 as of Aug. 16, 2026, which is 31% below its 10-year median of 2.43. GuruFocus rates ROCK with a GF Score™ of 69/100 and a GF Value™ of $91.87 (Possible Value Trap). The stock has 4 warning signs investors should review. Among 1,318 Construction companies, Gibraltar Industries ranks worse than 63.51% on this metric.

As of today (2026-08-16), Gibraltar Industries's current share price is $47.88. Gibraltar Industries's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was $28.45. Gibraltar Industries's Cyclically Adjusted PB Ratio for today is 1.68.

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

ROCK' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.27   Med: 2.43   Max: 5.52
Current: 1.68

During the past years, Gibraltar Industries's highest Cyclically Adjusted PB Ratio was 5.52. The lowest was 1.27. And the median was 2.43.

ROCK's Cyclically Adjusted PB Ratio is ranked worse than
63.51% of 1318 companies
in the Construction industry
Industry Median: 1.16 vs ROCK: 1.68

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.

Gibraltar Industries's adjusted book value per share data for the three months ended in Jun. 2026 was $30.009. 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 $28.45 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Gibraltar Industries  (NAS:ROCK) 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.


Gibraltar Industries Cyclically Adjusted PB Ratio Related Terms


Gibraltar Industries Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Gibraltar Industries'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.

Gibraltar Industries Cyclically Adjusted PB Ratio Chart

Gibraltar Industries 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 3.43 2.15 3.46 2.37 1.83

Gibraltar Industries 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 2.25 2.34 1.83 1.43 1.59

ROCK vs ARLO, NPKI, LMB: Cyclically Adjusted PB Ratio Comparison

For the Building Products & Equipment subindustry, Gibraltar Industries'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.


Gibraltar Industries Cyclically Adjusted PB Ratio vs Construction Industry

For the Construction industry and Industrials sector, Gibraltar Industries's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


ROCK
69GF Score
Gibraltar Industries Inc ROCK
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Gibraltar Industries 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.

Gibraltar Industries's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=47.88/28.45
=1.68

* 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.

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

For example, Gibraltar Industries'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)
=30.009/333.9520*333.9520
=30.009

Current CPI (Jun. 2026) = 333.9520.

Gibraltar Industries Quarterly Data

Book Value per Share CPI Adj_Book
201609 14.900 241.428 20.610
201612 14.606 241.432 20.203
201703 14.765 243.801 20.225
201706 15.250 244.955 20.791
201709 15.951 246.819 21.582
201712 16.764 246.524 22.709
201803 17.065 249.554 22.836
201806 17.535 251.989 23.239
201809 18.178 252.439 24.048
201812 18.594 251.233 24.716
201903 18.832 254.202 24.740
201906 19.019 256.143 24.796
201909 20.374 256.759 26.499
201912 20.875 256.974 27.128
202003 20.905 258.115 27.047
202006 21.893 257.797 28.360
202009 22.960 260.280 29.459
202012 22.858 260.474 29.306
202103 23.243 264.877 29.304
202106 24.134 271.696 29.664
202109 24.929 274.310 30.349
202112 25.243 278.802 30.236
202203 24.679 287.504 28.666
202206 25.851 296.311 29.135
202209 26.774 296.808 30.125
202212 26.639 296.797 29.974
202303 27.159 301.836 30.049
202306 27.949 305.109 30.591
202309 29.237 307.789 31.722
202312 30.058 306.746 32.724
202403 30.856 312.332 32.992
202406 32.013 314.175 34.028
202409 33.051 315.301 35.006
202412 34.528 315.605 36.535
202503 34.226 319.799 35.741
202506 35.287 322.561 36.533
202509 32.217 324.800 33.125
202512 32.166 324.054 33.148
202603 29.690 330.213 30.026
202606 30.009 333.952 30.009

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 1.68 mean?
Gibraltar Industries (ROCK) has a Cyclically Adjusted PB Ratio of 1.68 as of Aug. 16, 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 Gibraltar Industries and its competitors. This is 31% below median its historical median of 2.43. Over the past decade, Gibraltar Industries' Cyclically Adjusted PB Ratio has ranged from 1.27 to 5.52. According to the industry distribution chart, Gibraltar Industries ranks #837 out of 1318 companies in the Construction industry, placing it in the top 63.5%.
Is Gibraltar Industries' Cyclically Adjusted PB Ratio too high?
Gibraltar Industries' current Cyclically Adjusted PB Ratio of 1.68 is 31% below median its 10-year median of 2.43. Over the past 10 years, this metric has ranged from a low of 1.27 to a high of 5.52. The Construction industry median Cyclically Adjusted PB Ratio is 1.16. Gibraltar Industries' value of 1.68 is 44.8% above this industry median. Based on the distribution chart, Gibraltar Industries ranks #837 out of 1318 companies in the Construction industry, which is below the industry midpoint. Overall, Gibraltar Industries has a GF Score™ of 69/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Gibraltar Industries' Cyclically Adjusted PB Ratio compare to ARLO and NPKI?
According to the Construction industry distribution chart, Gibraltar Industries ranks #837 out of 1318 companies for Cyclically Adjusted PB Ratio. This places Gibraltar Industries in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.16. Gibraltar Industries' value of 1.68 is 44.8% above this benchmark. Historically, Gibraltar Industries' own Cyclically Adjusted PB Ratio has ranged from 1.27 to 5.52 over the past decade. While the company's 10-year median is 2.43 vs. the industry median of 1.16, Gibraltar Industries 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 Construction company?
The median Cyclically Adjusted PB Ratio among Construction companies is 1.16, based on 1,318 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. Gibraltar Industries's current Cyclically Adjusted PB Ratio of 1.68 is 44.8% 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 Gibraltar Industries and its competitors. For the Construction industry, the median Cyclically Adjusted PB Ratio is 1.16 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Gibraltar Industries's current Cyclically Adjusted PB Ratio is 1.68, which is 31% below median its own 10-year median of 2.43. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Gibraltar Industries stock overvalued right now?
Based on GuruFocus' analysis, Gibraltar Industries (ROCK) is currently considered Possible Value Trap. The stock's GF Value™ is $91.87, compared to a current price of $47.88 — trading 47.9% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.68, which is 31% below median its 10-year median of 2.43 and 44.8% above the Construction industry median of 1.16. Gibraltar Industries' overall GF Score™ is 69/100 with 4 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 Gibraltar Industries (ROCK), the current Cyclically Adjusted PB Ratio is 1.68 as of Aug. 16, 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 Gibraltar Industries (ROCK) Overvalued in 2026?

Based on GuruFocus' analysis, Gibraltar Industries stock appears to be undervalued. The current stock price of $47.88 is trading 47.9% below its estimated GF Value™ of $91.87. GuruFocus considers Gibraltar Industries to be Possible Value Trap.

Key valuation signals for ROCK:

  • Cyclically Adjusted PB Ratio: 1.68 (31% below median its 10-year median of 2.43)
  • GF Value™: $91.87 vs. price of $47.88 (47.9% below fair value)
  • GF Score™: 69/100 with 4 warning signs
  • Industry Position: 44.8% above the Construction median (#837 of 1318)

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


Gibraltar Industries Business Description

Other Exchanges GI2:Germany
Address 3556 Lake Shore Road, P.O. Box 2028, Buffalo, NY, USA, 14219-0228
Gibraltar Industries Inc manufactures and provides products and services for the Renewable energy, Residential, Agtech, and Infrastructure markets. The Renewable Segment is engaged in designing, engineering, manufacturing, and installing solar racking and electrical balance systems. Agtech Segment provides growing and processing solutions including the designing, engineering, manufacturing, full-scope construction, maintenance, and support of greenhouses and indoor growing operations, and botanical extraction systems. It derives key revenue from the Residential segment which offers roof and foundation ventilation products, single point and centralized mail systems electronic package solutions, and Retractable awnings and gutter guards, among other products.
69GF Score

Get the complete analysis for ROCK

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

$47.88
Price
$91.87
GF Value