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Federal SignalFSS +0.53%98 Shiller PE Ratio is 47.72 as of Aug. 20, 2026, which is 0% below its 10-year median of 47.94. GuruFocus rates FSS with a GF Score™ of 98/100 and a GF Value™ of $125.65 (Fairly Valued). The stock has 2 warning signs investors should review. Among 138 Farm & Heavy Construction Machinery companies, Federal Signal ranks worse than 89.86% on this metric.
As of today (2026-08-20), Federal Signal's current share price is $122.63. Federal Signal's E10 for the quarter that ended in Jun. 2026 was $2.57. Federal Signal's Shiller PE Ratio for today is 47.72.
The historical rank and industry rank for Federal Signal's Shiller PE Ratio or its related term are showing as below:
FSS'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 21.97 Med: 47.94 Max: 1064
Current: 47.77
During the past years, Federal Signal's highest Shiller PE Ratio was 1064.00. The lowest was 21.97. And the median was 47.94.
FSS's Shiller PE Ratio is ranked worse than 89.86% of 138
companies
in the Farm & Heavy Construction Machinery industry
Industry Median: 19.35
vs FSS: 47.77
E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years.
Federal Signal's adjusted earnings per share data for the three months ended in Jun. 2026 was $1.400. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $2.57 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Federal Signal (NYSE:FSS) 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.
Federal Signal Shiller PE Ratio Related Terms
Federal Signal Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for Federal Signal'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.
FSS vs TEX, AGCO, OSK: Shiller PE Ratio Comparison
For the Farm & Heavy Construction Machinery subindustry, Federal Signal'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.
Federal Signal Shiller PE Ratio vs Farm & Heavy Construction Machinery Industry
For the Farm & Heavy Construction Machinery industry and Industrials sector, Federal Signal's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Federal Signal's Shiller PE Ratio falls into.
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.
Federal Signal's Shiller PE Ratio for today is calculated as
* 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 E10 for the quarter that ended in Jun. 2026 is calculated as:
For example, Federal Signal's adjusted earnings per share data for the three months ended in Jun. 2026 was:
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.
Federal Signal (FSS) has a Shiller PE Ratio of 47.72 as of Aug. 20, 2026. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on Federal Signal and its competitors. This is near median its historical median of 47.94. Over the past decade, Federal Signal's Shiller PE Ratio has ranged from 21.97 to 1,064.00. According to the industry distribution chart, Federal Signal ranks #124 out of 138 companies in the Farm & Heavy Construction Machinery industry, placing it in the top 89.9%.
Is Federal Signal's Shiller PE Ratio too high?
Federal Signal's current Shiller PE Ratio of 47.72 is near median its 10-year median of 47.94. Over the past 10 years, this metric has ranged from a low of 21.97 to a high of 1,064.00. The Farm & Heavy Construction Machinery industry median Shiller PE Ratio is 19.35. Federal Signal's value of 47.72 is 146.6% above this industry median. Based on the distribution chart, Federal Signal ranks #124 out of 138 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 98/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Federal Signal's Shiller PE Ratio compare to TEX and AGCO?
According to the Farm & Heavy Construction Machinery industry distribution chart, Federal Signal ranks #124 out of 138 companies for Shiller PE Ratio. This places Federal Signal in the lower half of its industry. The industry median Shiller PE Ratio is 19.35. Federal Signal's value of 47.72 is 146.6% above this benchmark. Historically, Federal Signal's own Shiller PE Ratio has ranged from 21.97 to 1,064.00 over the past decade. While the company's 10-year median is 47.94 vs. the industry median of 19.35, 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 Shiller PE Ratio for a Farm & Heavy Construction Machinery company?
The median Shiller PE Ratio among Farm & Heavy Construction Machinery companies is 19.35, based on 138 companies in the industry. Companies in the top quartile (top 25%) have a Shiller PE Ratio significantly above this median, while those in the bottom quartile fall well below. However, Shiller PE Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Federal Signal's current Shiller PE Ratio of 47.72 is 146.6% 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 Shiller PE Ratio mean?
A high Shiller PE Ratio can signal that a stock is expensive relative to its fundamentals. Shiller price-earnings ratio is the ratio of share price to a company's inflation-adjusted earnings over a 10-year period. View historical data on Federal Signal and its competitors. For the Farm & Heavy Construction Machinery industry, the median Shiller PE Ratio is 19.35 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Federal Signal's current Shiller PE Ratio is 47.72, which is near median its own 10-year median of 47.94. 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 (FSS) is currently considered Fairly Valued. The stock's GF Value™ is $125.65, compared to a current price of $122.63 — trading 2.4% below its estimated fair value. The current Shiller PE Ratio is 47.72, which is near median its 10-year median of 47.94 and 146.6% above the Farm & Heavy Construction Machinery industry median of 19.35. Federal Signal's overall GF Score™ is 98/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Shiller PE Ratio calculated?
Shiller PE Ratio is calculated from a company's financial statements. For Federal Signal (FSS), the current Shiller PE Ratio is 47.72 as of Aug. 20, 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 (FSS) Overvalued in 2026?
Based on GuruFocus' analysis, Federal Signal stock appears to be undervalued.
The current stock price of $122.63 is trading 2.4% below its estimated GF Value™ of $125.65.
GuruFocus considers Federal Signal to be Fairly Valued.
Key valuation signals for FSS:
Shiller PE Ratio: 47.72 (near median its 10-year median of 47.94)
GF Value™: $125.65 vs. price of $122.63 (2.4% below fair value)
Industry Position: 146.6% above the Farm & Heavy Construction Machinery median (#124 of 138)
No single metric tells the full story. See the FSS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
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.
98GF Score
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