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.
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.
AirBoss of AmericaTSX:BOS +0.13%67 Shiller PE Ratio is 41.95 as of Aug. 27, 2026, which is 113% above its 10-year median of 19.73. GuruFocus rates TSX:BOS with a GF Score™ of 67/100 and a GF Value™ of C$4.92 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 1,085 Chemicals companies, AirBoss of America ranks worse than 76.13% on this metric.
The historical rank and industry rank for AirBoss of America's Shiller PE Ratio or its related term are showing as below:
TSX:BOS'
s Shiller PE Ratio Range Over the Past 10 Years
Min: 5.3 Med: 19.73 Max: 58.38
Current: 42.48
During the past years, AirBoss of America's highest Shiller PE Ratio was 58.38. The lowest was 5.30. And the median was 19.73.
TSX:BOS's Shiller PE Ratio is ranked worse than 76.13% of 1085
companies
in the Chemicals industry
Industry Median: 22.05
vs TSX:BOS: 42.48
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.
AirBoss of America's adjusted earnings per share data for the three months ended in Jun. 2026 was C$0.126. Add all the adjusted EPS for the past 10 years together and divide 10 will get our E10, which is C$0.19 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
AirBoss of America (TSX:BOS) 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.
AirBoss of America Shiller PE Ratio Related Terms
AirBoss of America Shiller PE Ratio Historical Data
* Premium members only.
The historical data trend for AirBoss of America'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.
TSX:BOS vs LIN, SHW, ECL: Shiller PE Ratio Comparison
For the Specialty Chemicals subindustry, AirBoss of America'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.
AirBoss of America Shiller PE Ratio vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, AirBoss of America's Shiller PE Ratio distribution charts can be found below:
* The bar in red indicates where AirBoss of America'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.
AirBoss of America (TSX:BOS) has a Shiller PE Ratio of 41.95 as of Aug. 27, 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 AirBoss of America and its competitors. This is 113% above median its historical median of 19.73. Over the past decade, AirBoss of America's Shiller PE Ratio has ranged from 5.30 to 58.38. According to the industry distribution chart, AirBoss of America ranks #826 out of 1085 companies in the Chemicals industry, placing it in the top 76.1%.
Is AirBoss of America's Shiller PE Ratio too high?
AirBoss of America's current Shiller PE Ratio of 41.95 is 113% above median its 10-year median of 19.73. Over the past 10 years, this metric has ranged from a low of 5.30 to a high of 58.38. The Chemicals industry median Shiller PE Ratio is 22.05. AirBoss of America's value of 41.95 is 90.2% above this industry median. Based on the distribution chart, AirBoss of America ranks #826 out of 1085 companies in the Chemicals industry, which is in the bottom quartile relative to peers. Overall, AirBoss of America has a GF Score™ of 67/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does AirBoss of America's Shiller PE Ratio compare to LIN and SHW?
According to the Chemicals industry distribution chart, AirBoss of America ranks #826 out of 1085 companies for Shiller PE Ratio. This places AirBoss of America in the lower half of its industry. The industry median Shiller PE Ratio is 22.05. AirBoss of America's value of 41.95 is 90.2% above this benchmark. Historically, AirBoss of America's own Shiller PE Ratio has ranged from 5.30 to 58.38 over the past decade. While the company's 10-year median is 19.73 vs. the industry median of 22.05, AirBoss of America 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 Chemicals company?
The median Shiller PE Ratio among Chemicals companies is 22.05, based on 1,085 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. AirBoss of America's current Shiller PE Ratio of 41.95 is 90.2% 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 AirBoss of America and its competitors. For the Chemicals industry, the median Shiller PE Ratio is 22.05 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. AirBoss of America's current Shiller PE Ratio is 41.95, which is 113% above median its own 10-year median of 19.73. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is AirBoss of America stock overvalued right now?
Based on GuruFocus' analysis, AirBoss of America (TSX:BOS) is currently considered Significantly Overvalued. The stock's GF Value™ is C$4.92, compared to a current price of C$7.97 — trading 62% above its estimated fair value. The current Shiller PE Ratio is 41.95, which is 113% above median its 10-year median of 19.73 and 90.2% above the Chemicals industry median of 22.05. AirBoss of America's overall GF Score™ is 67/100 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 AirBoss of America (TSX:BOS), the current Shiller PE Ratio is 41.95 as of Aug. 27, 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 AirBoss of America (TSX:BOS) Overvalued in 2026?
Based on GuruFocus' analysis, AirBoss of America stock appears to be overvalued.
The current stock price of C$7.97 is trading 62% above its estimated GF Value™ of C$4.92.
GuruFocus considers AirBoss of America to be Significantly Overvalued.
Key valuation signals for TSX:BOS:
Shiller PE Ratio: 41.95 (113% above median its 10-year median of 19.73)
GF Value™: C$4.92 vs. price of C$7.97 (62% above fair value)
Industry Position: 90.2% above the Chemicals median (#826 of 1085)
No single metric tells the full story. See the TSX:BOS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
AirBoss of America Corp is a Canada-based manufacturer of rubber-based products for the resource, military, automotive, and industrial markets. It operates in two main segments: The AirBoss Rubber Solutions includes the manufacturing and distribution of rubber compounds and distribution of rubber compounding-related chemicals; The AirBoss Manufactured Products include the manufacture and distribution of anti-noise, vibration, and harshness dampening parts and personal protection and safety products, for CBRN-E threats. The company operates manufacturing facilities and sales offices in the United States and Canada, selling in North American markets. It generates the majority of its revenue from the United States.
67GF Score
Get the complete analysis for TSX:BOS
Shiller PE Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
TSX:BOS has been successfully added to your 
