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Gatekeeper SystemsGKPRF -0.41%66 Shiller PE Ratio is 201.67 as of Sep. 15, 2026, which is 44% above its 10-year median of 140.00. GuruFocus rates GKPRF with a GF Score™ of 66/100 and a GF Value™ of $0.52 (Significantly Overvalued). The stock has 2 warning signs investors should review. Among 555 Business Services companies, Gatekeeper Systems ranks worse than 98.38% on this metric.
The historical rank and industry rank for Gatekeeper Systems's Shiller PE Ratio or its related term are showing as below:
GKPRF'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 41.5 Med: 140 Max: 284
Current: 121
During the past years, Gatekeeper Systems's highest Shiller PE Ratio was 284.00. The lowest was 41.50. And the median was 140.00.
GKPRF's Shiller PE Ratio is ranked worse than 98.38% of 555
companies
in the Business Services industry
Industry Median: 18.85
vs GKPRF: 121.00
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.
Gatekeeper Systems's adjusted earnings per share data for the three months ended in May. 2026 was $0.015. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is $0.01 for the trailing ten years ended in May. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Gatekeeper Systems (OTCPK:GKPRF) 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.
Gatekeeper Systems Shiller PE Ratio Related Terms
Gatekeeper Systems Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for Gatekeeper Systems'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.
GKPRF vs ALLE, MSA, ADT: Shiller PE Ratio Comparison
For the Security & Protection Services subindustry, Gatekeeper Systems'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.
Gatekeeper Systems Shiller PE Ratio vs Business Services Industry
For the Business Services industry and Industrials sector, Gatekeeper Systems's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where Gatekeeper Systems'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.
* 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.
Gatekeeper Systems (GKPRF) has a Shiller PE Ratio of 201.67 as of Sep. 15, 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 Gatekeeper Systems and its competitors. This is 44% above median its historical median of 140.00. Over the past decade, Gatekeeper Systems' Shiller PE Ratio has ranged from 41.50 to 284.00. According to the industry distribution chart, Gatekeeper Systems ranks #546 out of 555 companies in the Business Services industry, placing it in the top 98.4%.
Is Gatekeeper Systems' Shiller PE Ratio too high?
Gatekeeper Systems' current Shiller PE Ratio of 201.67 is 44% above median its 10-year median of 140.00. Over the past 10 years, this metric has ranged from a low of 41.50 to a high of 284.00. The Business Services industry median Shiller PE Ratio is 18.85. Gatekeeper Systems' value of 201.67 is 969.9% above this industry median. Based on the distribution chart, Gatekeeper Systems ranks #546 out of 555 companies in the Business Services industry, which is in the bottom quartile relative to peers. Overall, Gatekeeper Systems has a GF Score™ of 66/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Gatekeeper Systems' Shiller PE Ratio compare to ALLE and MSA?
According to the Business Services industry distribution chart, Gatekeeper Systems ranks #546 out of 555 companies for Shiller PE Ratio. This places Gatekeeper Systems in the lower half of its industry. The industry median Shiller PE Ratio is 18.85. Gatekeeper Systems' value of 201.67 is 969.9% above this benchmark. Historically, Gatekeeper Systems' own Shiller PE Ratio has ranged from 41.50 to 284.00 over the past decade. While the company's 10-year median is 140.00 vs. the industry median of 18.85, Gatekeeper Systems 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 18.85, based on 555 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. Gatekeeper Systems's current Shiller PE Ratio of 201.67 is 969.9% 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 Gatekeeper Systems and its competitors. For the Business Services industry, the median Shiller PE Ratio is 18.85 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Gatekeeper Systems's current Shiller PE Ratio is 201.67, which is 44% above median its own 10-year median of 140.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Gatekeeper Systems stock overvalued right now?
Based on GuruFocus' analysis, Gatekeeper Systems (GKPRF) is currently considered Significantly Overvalued. The stock's GF Value™ is $0.52, compared to a current price of $1.21 — trading 132.7% above its estimated fair value. The current Shiller PE Ratio is 201.67, which is 44% above median its 10-year median of 140.00 and 969.9% above the Business Services industry median of 18.85. Gatekeeper Systems' overall GF Score™ is 66/100 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 Gatekeeper Systems (GKPRF), the current Shiller PE Ratio is 201.67 as of Sep. 15, 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 Gatekeeper Systems (GKPRF) Overvalued in 2026?
Based on GuruFocus' analysis, Gatekeeper Systems stock appears to be overvalued.
The current stock price of $1.21 is trading 132.7% above its estimated GF Value™ of $0.52.
GuruFocus considers Gatekeeper Systems to be Significantly Overvalued.
Key valuation signals for GKPRF:
Shiller PE Ratio: 201.67 (44% above median its 10-year median of 140.00)
GF Value™: $0.52 vs. price of $1.21 (132.7% above fair value)
Industry Position: 969.9% above the Business Services median (#546 of 555)
No single metric tells the full story. See the GKPRF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Gatekeeper Systems Inc specializes in the design, manufacturing, and marketing of video security solutions for mobile and extreme environments and is a provider of intelligent video solutions designed to provide a safer transportation environment for children, passengers, and public safety personnel across multiple transportation modes. The Company operates in a single segment in which it develops, manufactures, markets, and sells high-resolution mobile surveillance camera systems, with performance evaluated regularly by the President and Chief Executive Officer as the chief operating decision maker. Revenue is generated from two regions, Canada and the United States, with the majority of revenue coming from Canada.
66GF Score
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