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The historical rank and industry rank for GDI Integrated Facility Services's Shiller PE Ratio or its related term are showing as below:
GDIFF'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 17.93 Med: 93.08 Max: 845
Current: 24.4
During the past years, GDI Integrated Facility Services's highest Shiller PE Ratio was 845.00. The lowest was 17.93. And the median was 93.08.
GDIFF's Shiller PE Ratio is not ranked
in the Business Services industry.
Industry Median: 18.97
vs GDIFF: 24.40
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.
GDI Integrated Facility Services's adjusted earnings per share data for the three months ended in Sep. 2025 was $0.419. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $1.10 for the trailing ten years ended in Sep. 2025.
Shiller PE for Stocks: The True Measure of Stock Valuation
GDI Integrated Facility Services (OTCPK:GDIFF) 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.
GDI Integrated Facility Services Shiller PE Ratio Related Terms
GDI Integrated Facility Services Shiller PE Ratio Historical Data
* 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.
GDI Integrated Facility Services Shiller PE Ratio Chart
GDIFF vs CTAS, CPRT, GPN: Shiller PE Ratio Comparison
For the Specialty Business Services subindustry, GDI Integrated Facility Services'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.
GDI Integrated Facility Services Shiller PE Ratio vs Business Services Industry
For the Business Services industry and Industrials sector, GDI Integrated Facility Services's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where GDI Integrated Facility Services's Shiller PE Ratio falls into.
GDI Integrated Facility Services Shiller PE Ratio Calculation
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.
* 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.
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.
GDI Integrated Facility Services (GDIFF) has a Shiller PE Ratio of 24.33 as of Aug. 21, 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 GDI Integrated Facility Services and its competitors. This is 74% below median its historical median of 93.08. Over the past decade, GDI Integrated Facility Services' Shiller PE Ratio has ranged from 17.93 to 845.00.
Is GDI Integrated Facility Services' Shiller PE Ratio too high?
GDI Integrated Facility Services' current Shiller PE Ratio of 24.33 is 74% below median its 10-year median of 93.08. Over the past 10 years, this metric has ranged from a low of 17.93 to a high of 845.00. The Business Services industry median Shiller PE Ratio is 18.97. GDI Integrated Facility Services' value of 24.33 is 28.3% above this industry median. Overall, GDI Integrated Facility Services has a GF Score™ of 81/100, reflecting its overall financial health beyond just this single metric.
How does GDI Integrated Facility Services' Shiller PE Ratio compare to CTAS and CPRT?
GDI Integrated Facility Services' Shiller PE Ratio of 24.33 can be compared against companies in the Business Services industry. The industry median Shiller PE Ratio is 18.97. GDI Integrated Facility Services' value of 24.33 is 28.3% above this benchmark. Historically, GDI Integrated Facility Services' own Shiller PE Ratio has ranged from 17.93 to 845.00 over the past decade. While the company's 10-year median is 93.08 vs. the industry median of 18.97, GDI Integrated Facility Services 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 Business Services company?
The median Shiller PE Ratio among Business Services companies is 18.97, based on 545 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. GDI Integrated Facility Services's current Shiller PE Ratio of 24.33 is 28.3% 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 GDI Integrated Facility Services and its competitors. For the Business Services industry, the median Shiller PE Ratio is 18.97 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. GDI Integrated Facility Services's current Shiller PE Ratio is 24.33, which is 74% below median its own 10-year median of 93.08. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is GDI Integrated Facility Services stock overvalued right now?
GDI Integrated Facility Services (GDIFF) has a current Shiller PE Ratio of 24.33. The stock's GF Value™ is $26.80, compared to a current price of $26.77 — trading 0.1% below its estimated fair value. The current Shiller PE Ratio is 24.33, which is 74% below median its 10-year median of 93.08 and 28.3% above the Business Services industry median of 18.97. GDI Integrated Facility Services' overall GF Score™ is 81/100 with 8 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 GDI Integrated Facility Services (GDIFF), the current Shiller PE Ratio is 24.33 as of Aug. 21, 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 GDI Integrated Facility Services (GDIFF) Overvalued in 2026?
Based on GuruFocus' analysis, GDI Integrated Facility Services stock appears to be undervalued.
The current stock price of $26.77 is trading 0.1% below its estimated GF Value™ of $26.80.
Key valuation signals for GDIFF:
Shiller PE Ratio: 24.33 (74% below median its 10-year median of 93.08)
GF Value™: $26.80 vs. price of $26.77 (0.1% below fair value)
Industry Position: 28.3% above the Business Services median
No single metric tells the full story. See the GDIFF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
GDI Integrated Facility Services Inc is engaged in the facility services sector. The company's operating segment includes Business Services Canada, Business Services USA, Technical Services, and Corporate and Other. It generates maximum revenue from the Technical Services segment. The Technical Services segment provides building system controls, mechanical maintenance, and services to heating, ventilation, air conditioning (HVAC), electrical, energy engineering service offering and energy performance optimization, cabling for data transport, high voltage for commercial, industrial, institutional, government and residential building clients.
81GF Score
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