Federal Signal (STU:FSG) Cyclically Adjusted PB Ratio: 7.20 (As of Sep. 22, 2026) — 43% Above Median

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STU:FSG Federal Signal Corp STU:FSG
79 GF Score
Price €98.50
GF Value €109.33
Valuation Modestly Undervalued
! 1 Warning Sign
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What is Federal Signal Cyclically Adjusted PB Ratio?

Federal Signal STU:FSG +0.51% 79 Cyclically Adjusted PB Ratio is 7.20 as of Sep. 22, 2026, which is 43% above its 10-year median of 5.05. GuruFocus rates STU:FSG with a GF Score™ of 79/100 and a GF Value™ of €109.33 (Modestly Undervalued). The stock has 1 warning sign investors should review. Among 158 Farm & Heavy Construction Machinery companies, Federal Signal ranks worse than 95.57% on this metric.

As of today (2026-09-22), Federal Signal's current share price is €98.50. Federal Signal's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was €13.68. Federal Signal's Cyclically Adjusted PB Ratio for today is 7.20.

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

STU:FSG' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.95   Med: 5.05   Max: 9.56
Current: 7.44

During the past years, Federal Signal's highest Cyclically Adjusted PB Ratio was 9.56. The lowest was 1.95. And the median was 5.05.

STU:FSG's Cyclically Adjusted PB Ratio is ranked worse than
95.57% of 158 companies
in the Farm & Heavy Construction Machinery industry
Industry Median: 1.54 vs STU:FSG: 7.44

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.

Federal Signal's adjusted book value per share data for the three months ended in Jun. 2026 was €21.582. 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 €13.68 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Federal Signal  (STU:FSG) 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.


Federal Signal Cyclically Adjusted PB Ratio Related Terms


Federal Signal Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Federal Signal'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.

Federal Signal Cyclically Adjusted PB Ratio Chart

Federal Signal Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
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Federal Signal Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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STU:FSG vs TEX, AGCO, OSK: Cyclically Adjusted PB Ratio Comparison

For the Farm & Heavy Construction Machinery subindustry, Federal Signal'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.


Federal Signal Cyclically Adjusted PB Ratio vs Farm & Heavy Construction Machinery Industry

For the Farm & Heavy Construction Machinery industry and Industrials sector, Federal Signal's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


STU:FSG
79GF Score
Federal Signal Corp STU:FSG
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Federal Signal 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.

Federal Signal's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=98.50/13.679
=7.20

* 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.

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

For example, Federal Signal'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)
=21.582/333.9520*333.9520
=21.582

Current CPI (Jun. 2026) = 333.9520.

Federal Signal Quarterly Data

Book Value per Share CPI Adj_Book
201609 5.964 241.428 8.250
201612 6.269 241.432 8.671
201703 6.219 243.801 8.519
201706 6.036 244.955 8.229
201709 5.994 246.819 8.110
201712 6.349 246.524 8.601
201803 6.368 249.554 8.522
201806 7.006 251.989 9.285
201809 7.320 252.439 9.684
201812 7.703 251.233 10.239
201903 8.113 254.202 10.658
201906 8.434 256.143 10.996
201909 9.160 256.759 11.914
201912 9.448 256.974 12.278
202003 9.631 258.115 12.461
202006 9.661 257.797 12.515
202009 9.582 260.280 12.294
202012 9.485 260.474 12.161
202103 10.037 264.877 12.654
202106 10.279 271.696 12.634
202109 10.813 274.310 13.164
202112 11.320 278.802 13.559
202203 11.684 287.504 13.572
202206 12.771 296.311 14.393
202209 13.947 296.808 15.692
202212 13.289 296.797 14.953
202303 13.330 301.836 14.748
202306 13.883 305.109 15.195
202309 14.825 307.789 16.085
202312 14.869 306.746 16.188
202403 15.827 312.332 16.923
202406 16.764 314.175 17.819
202409 16.856 315.301 17.853
202412 18.747 315.605 19.837
202503 18.218 319.799 19.024
202506 17.685 322.561 18.310
202509 18.501 324.800 19.022
202512 19.322 324.054 19.912
202603 20.410 330.213 20.641
202606 21.582 333.952 21.582

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 7.20 mean?
Federal Signal (STU:FSG) has a Cyclically Adjusted PB Ratio of 7.20 as of Sep. 22, 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 Federal Signal and its competitors. This is 43% above median its historical median of 5.05. Over the past decade, Federal Signal's Cyclically Adjusted PB Ratio has ranged from 1.95 to 9.56. According to the industry distribution chart, Federal Signal ranks #151 out of 158 companies in the Farm & Heavy Construction Machinery industry, placing it in the top 95.6%.
Is Federal Signal's Cyclically Adjusted PB Ratio too high?
Federal Signal's current Cyclically Adjusted PB Ratio of 7.20 is 43% above median its 10-year median of 5.05. Over the past 10 years, this metric has ranged from a low of 1.95 to a high of 9.56. The Farm & Heavy Construction Machinery industry median Cyclically Adjusted PB Ratio is 1.54. Federal Signal's value of 7.20 is 367.5% above this industry median. Based on the distribution chart, Federal Signal ranks #151 out of 158 companies in the Farm & Heavy Construction Machinery industry, which is in the bottom quartile relative to peers. Overall, Federal Signal has a GF Score™ of 79/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Federal Signal's Cyclically Adjusted PB Ratio compare to TEX and AGCO?
According to the Farm & Heavy Construction Machinery industry distribution chart, Federal Signal ranks #151 out of 158 companies for Cyclically Adjusted PB Ratio. This places Federal Signal in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.54. Federal Signal's value of 7.20 is 367.5% above this benchmark. Historically, Federal Signal's own Cyclically Adjusted PB Ratio has ranged from 1.95 to 9.56 over the past decade. While the company's 10-year median is 5.05 vs. the industry median of 1.54, Federal Signal 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 Farm & Heavy Construction Machinery company?
The median Cyclically Adjusted PB Ratio among Farm & Heavy Construction Machinery companies is 1.54, based on 158 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. Federal Signal's current Cyclically Adjusted PB Ratio of 7.20 is 367.5% 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 Federal Signal and its competitors. For the Farm & Heavy Construction Machinery industry, the median Cyclically Adjusted PB Ratio is 1.54 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Federal Signal's current Cyclically Adjusted PB Ratio is 7.20, which is 43% above median its own 10-year median of 5.05. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Federal Signal stock overvalued right now?
Based on GuruFocus' analysis, Federal Signal (STU:FSG) is currently considered Modestly Undervalued. The stock's GF Value™ is €109.33, compared to a current price of €98.50 — trading 9.9% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 7.20, which is 43% above median its 10-year median of 5.05 and 367.5% above the Farm & Heavy Construction Machinery industry median of 1.54. Federal Signal's overall GF Score™ is 79/100 with 1 warning sign 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 Federal Signal (STU:FSG), the current Cyclically Adjusted PB Ratio is 7.20 as of Sep. 22, 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 Federal Signal (STU:FSG) Overvalued in 2026?

Based on GuruFocus' analysis, Federal Signal stock appears to be undervalued. The current stock price of €98.50 is trading 9.9% below its estimated GF Value™ of €109.33. GuruFocus considers Federal Signal to be Modestly Undervalued.

Key valuation signals for STU:FSG:

  • Cyclically Adjusted PB Ratio: 7.20 (43% above median its 10-year median of 5.05)
  • GF Value™: €109.33 vs. price of €98.50 (9.9% below fair value)
  • GF Score™: 79/100 with 1 warning sign
  • Industry Position: 367.5% above the Farm & Heavy Construction Machinery median (#151 of 158)

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


Federal Signal Business Description

Other Exchanges FSS:USAFSG:Germany
Address 1333 Butterfield Road, Downers Grove, IL, USA, 60515
Federal Signal Corp designs and manufactures products and integrated solutions for municipal, governmental, industrial, and airport customers. It operates through two segments. The Environmental Solutions Group manufactures and supplies street sweeper vehicles, sewer cleaner and vacuum loader trucks, hydro-excavation trucks, high-performance water blasting equipment, dump truck bodies, and trailers. The Safety and Security Systems Group manufactures and supplies comprehensive systems and products used by law enforcement, fire rescue, and industrial sites to protect people and property. Its offerings include systems for community alerting and industrial communications. The company generates the majority of its revenue from the Environmental Solutions Group segment.
79GF Score

Get the complete analysis for STU:FSG

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

€98.50
Price
€109.33
GF Value