FSS (Federal Signal) 6-Month Price Index: 1.05 (As of Aug. 19, 2026)

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Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
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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.

FSS Federal Signal Corp FSS
98 GF Score
Price $122.63
GF Value $125.59
Valuation Fairly Valued
! 2 Warning Signs
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What is Federal Signal 6-Month Price Index?

Federal Signal FSS +0.53% 98 6-Month Price Index is 1.05 as of Aug. 19, 2026. GuruFocus rates FSS with a GF Score™ of 98/100 and a GF Value™ of $125.59 (Fairly Valued). The stock has 2 warning signs investors should review.

6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago. It’s calculated by current share price divided by share price 6-months ago. As of today (2026-08-19), Federal Signal's 6-Month Price Index is 1.05.


Federal Signal  (NYSE:FSS) 6-Month Price Index Explanation

Price Index (PI) also called momentum. Strategies involving Price Index are also known as momentum strategies as they allow investors to profit from a company’s stock price. 6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago.

The investment strategy for momentum investors is to buy winners and sell losers. That is, buy stocks that performed well and sell stocks that performed poorly in the past.


Federal Signal 6-Month Price Index Related Terms


FSS vs TEX, AGCO, OSK: 6-Month Price Index Comparison

For the Farm & Heavy Construction Machinery subindustry, Federal Signal's 6-Month Price Index, along with its competitors' market caps and 6-Month Price Index 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.

FSS
98GF Score
Federal Signal Corp FSS
6-Month Price Index is just one metric. See GF Score™, valuation, warning signs, and more.
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Federal Signal  (NYSE:FSS) 6-Month Price Index Calculation

6-Month Price Index is calculated as following:

6-Month Price Index=Current Share Price / Share Price 6-Months Ago

* 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.

Frequently Asked Questions Learn more about 6-Month Price Index →
What does a 6-Month Price Index of 1.05 mean?
Federal Signal (FSS) has a 6-Month Price Index of 1.05 as of Aug. 19, 2026. 6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago. View historical data on Federal Signal and its competitors.
Is Federal Signal's 6-Month Price Index too high?
Federal Signal's current 6-Month Price Index is 1.05. 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 6-Month Price Index compare to TEX and AGCO?
Federal Signal's 6-Month Price Index of 1.05 can be compared against companies in the Farm & Heavy Construction Machinery industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 6-Month Price Index for a Farm & Heavy Construction Machinery company?
A good 6-Month Price Index depends on the Farm & Heavy Construction Machinery industry context. However, 6-Month Price Index should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high 6-Month Price Index mean?
A high 6-Month Price Index can signal that a stock is expensive relative to its fundamentals. 6-Month Price Index is an intermediate-term momentum that shows the price change relative to 6-month ago. View historical data on Federal Signal and its competitors. Federal Signal's current 6-Month Price Index is 1.05. 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 (FSS) is currently considered Fairly Valued. The stock's GF Value™ is $125.59, compared to a current price of $122.63 — trading 2.4% below its estimated fair value. The current 6-Month Price Index is 1.05. 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 6-Month Price Index calculated?
6-Month Price Index is calculated from a company's financial statements. For Federal Signal (FSS), the current 6-Month Price Index is 1.05 as of Aug. 19, 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 $125.59. GuruFocus considers Federal Signal to be Fairly Valued.

Key valuation signals for FSS:

  • 6-Month Price Index: 1.05
  • GF Value™: $125.59 vs. price of $122.63 (2.4% below fair value)
  • GF Score™: 98/100 with 2 warning signs

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 Business Description

Other Exchanges FSG: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.
98GF Score

Get the complete analysis for FSS

6-Month Price Index is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$122.63
Price
$125.59
GF Value