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Byrna TechnologiesFRA:SEF0 -4.76%49 Cyclically Adjusted PB Ratio is 2.50 as of Aug. 22, 2026, which is 85% below its 10-year median of 16.16. GuruFocus rates FRA:SEF0 with a GF Score™ of 49/100 and a GF Value™ of €14.37 (Possible Value Trap). The stock has 3 warning signs investors should review. Among 205 Aerospace & Defense companies, Byrna Technologies ranks better than 59.02% on this metric.
The historical rank and industry rank for Byrna Technologies's Cyclically Adjusted PB Ratio or its related term are showing as below:
FRA:SEF0'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.51 Med: 16.16 Max: 372.25
Current: 2.8
During the past years, Byrna Technologies's highest Cyclically Adjusted PB Ratio was 372.25. The lowest was 1.51. And the median was 16.16.
FRA:SEF0's Cyclically Adjusted PB Ratio is ranked better than 59.02% of 205
companies
in the Aerospace & Defense industry
Industry Median: 3.47
vs FRA:SEF0: 2.80
The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.
Byrna Technologies's adjusted book value per share data for the three months ended in May. 2026 was €2.149. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is €1.12 for the trailing ten years ended in May. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Byrna Technologies (FRA:SEF0) Cyclically Adjusted PB Ratio Explanation
Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.
If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.
Byrna Technologies Cyclically Adjusted PB Ratio Related Terms
Byrna Technologies Cyclically Adjusted PB Ratio Historical Data
* Premium members only.
The historical data trend for Byrna Technologies's Cyclically Adjusted PB 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.
Byrna Technologies Cyclically Adjusted PB Ratio Chart
FRA:SEF0 vs VWAV, OPXS, SPAI: Cyclically Adjusted PB Ratio Comparison
For the Aerospace & Defense subindustry, Byrna Technologies's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB 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.
Byrna Technologies Cyclically Adjusted PB Ratio vs Aerospace & Defense Industry
For the Aerospace & Defense industry and Industrials sector, Byrna Technologies's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where Byrna Technologies's Cyclically Adjusted PB Ratio falls into.
Byrna Technologies Cyclically Adjusted PB Ratio Calculation
Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.
The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.
Byrna Technologies's Cyclically Adjusted PB 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.
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.
What does a Cyclically Adjusted PB Ratio of 2.50 mean?
Byrna Technologies (FRA:SEF0) has a Cyclically Adjusted PB Ratio of 2.50 as of Aug. 22, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Byrna Technologies and its competitors. This is 85% below median its historical median of 16.16. Over the past decade, Byrna Technologies' Cyclically Adjusted PB Ratio has ranged from 1.51 to 372.25. According to the industry distribution chart, Byrna Technologies ranks #84 out of 205 companies in the Aerospace & Defense industry, placing it in the top 41%.
Is Byrna Technologies' Cyclically Adjusted PB Ratio too high?
Byrna Technologies' current Cyclically Adjusted PB Ratio of 2.50 is 85% below median its 10-year median of 16.16. Over the past 10 years, this metric has ranged from a low of 1.51 to a high of 372.25. The Aerospace & Defense industry median Cyclically Adjusted PB Ratio is 3.47. Byrna Technologies' value of 2.50 is 28% below this industry median. Based on the distribution chart, Byrna Technologies ranks #84 out of 205 companies in the Aerospace & Defense industry, which is above the industry midpoint. Overall, Byrna Technologies has a GF Score™ of 49/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Byrna Technologies' Cyclically Adjusted PB Ratio compare to VWAV and OPXS?
According to the Aerospace & Defense industry distribution chart, Byrna Technologies ranks #84 out of 205 companies for Cyclically Adjusted PB Ratio. This puts Byrna Technologies in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 3.47. Byrna Technologies' value of 2.50 is 28% below this benchmark. Historically, Byrna Technologies' own Cyclically Adjusted PB Ratio has ranged from 1.51 to 372.25 over the past decade. While the company's 10-year median is 16.16 vs. the industry median of 3.47, Byrna Technologies has consistently been below 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 Cyclically Adjusted PB Ratio for an Aerospace & Defense company?
The median Cyclically Adjusted PB Ratio among Aerospace & Defense companies is 3.47, based on 205 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Byrna Technologies's current Cyclically Adjusted PB Ratio of 2.50 is 28% below 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 Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Byrna Technologies and its competitors. For the Aerospace & Defense industry, the median Cyclically Adjusted PB Ratio is 3.47 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Byrna Technologies's current Cyclically Adjusted PB Ratio is 2.50, which is 85% below median its own 10-year median of 16.16. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Byrna Technologies stock overvalued right now?
Based on GuruFocus' analysis, Byrna Technologies (FRA:SEF0) is currently considered Possible Value Trap. The stock's GF Value™ is €14.37, compared to a current price of €2.80 — trading 80.5% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 2.50, which is 85% below median its 10-year median of 16.16 and 28% below the Aerospace & Defense industry median of 3.47. Byrna Technologies' overall GF Score™ is 49/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Byrna Technologies (FRA:SEF0), the current Cyclically Adjusted PB Ratio is 2.50 as of Aug. 22, 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 Byrna Technologies (FRA:SEF0) Overvalued in 2026?
Based on GuruFocus' analysis, Byrna Technologies stock appears to be undervalued.
The current stock price of €2.80 is trading 80.5% below its estimated GF Value™ of €14.37.
GuruFocus considers Byrna Technologies to be Possible Value Trap.
Key valuation signals for FRA:SEF0:
Cyclically Adjusted PB Ratio: 2.50 (85% below median its 10-year median of 16.16)
GF Value™: €14.37 vs. price of €2.80 (80.5% below fair value)
Industry Position: 28% below the Aerospace & Defense median (#84 of 205)
No single metric tells the full story. See the FRA:SEF0 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Byrna Technologies Inc is a designer, manufacturer, retailer, and distributor of technological solutions for security situations that do not require the use of lethal force. The company generates its revenue from the United States, South Africa, Europe, South America, Asia, and Canada.
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