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The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. As of today (2026-07-13), Airthings ASA's share price is €0.0036. Airthings ASA's Book Value per Share for the quarter that ended in Sep. 2025 was €0.02. Hence, Airthings ASA's PB Ratio of today is 0.24.
The historical rank and industry rank for Airthings ASA's PB Ratio or its related term are showing as below:
STU:64J'
s PB Ratio Range Over the Past 10 Years
Min: 0.14 Med: 1.95 Max: 6.37
Current: 0.24
During the past 8 years, Airthings ASA's highest PB Ratio was 6.37. The lowest was 0.14. And the median was 1.95.
STU:64J's PB Ratio is not ranked
in the Industrial Products industry.
Industry Median: 2.18
vs STU:64J: 0.24
During the past 12 months, Airthings ASA's average Book Value Per Share Growth Rate was -84.50% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -26.90% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 9.00% per year.
During the past 8 years, the highest 3-Year average Book Value Per Share Growth Rate of Airthings ASA was 133.40% per year. The lowest was -26.90% per year. And the median was 72.30% per year.
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
Airthings ASA PB Ratio Related Terms
Airthings ASA PB Ratio Historical Data
* Premium members only.
The historical data trend for Airthings ASA's 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.
For the Electrical Equipment & Parts subindustry, Airthings ASA's PB Ratio, along with its competitors' market caps and 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.
Airthings ASA PB Ratio vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Airthings ASA's PB Ratio distribution charts can be found below:
* The bar in red indicates where Airthings ASA's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
Airthings ASA's PB Ratio for today is calculated as follows:
* 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.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Airthings ASA (STU:64J) has a PB Ratio of 0.24 as of Jul. 13, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Airthings ASA and its competitors. This is 88% below median its historical median of 1.95. Over the past decade, Airthings ASA's PB Ratio has ranged from 0.14 to 6.37.
Is Airthings ASA's PB Ratio too high?
Airthings ASA's current PB Ratio of 0.24 is 88% below median its 10-year median of 1.95. Over the past 10 years, this metric has ranged from a low of 0.14 to a high of 6.37. The Industrial Products industry median PB Ratio is 2.18. Airthings ASA's value of 0.24 is 89% below this industry median. Overall, Airthings ASA has a GF Score™ of 61/100, reflecting its overall financial health beyond just this single metric.
How does Airthings ASA's PB Ratio compare to VRT and BE?
Airthings ASA's PB Ratio of 0.24 can be compared against companies in the Industrial Products industry. The industry median PB Ratio is 2.18. Airthings ASA's value of 0.24 is 89% below this benchmark. Historically, Airthings ASA's own PB Ratio has ranged from 0.14 to 6.37 over the past decade. While the company's 10-year median is 1.95 vs. the industry median of 2.18, Airthings ASA 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 PB Ratio for an Industrial Products company?
The median PB Ratio among Industrial Products companies is 2.18, based on 2,985 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Airthings ASA's current PB Ratio of 0.24 is 89% 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 PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Airthings ASA and its competitors. For the Industrial Products industry, the median PB Ratio is 2.18 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Airthings ASA's current PB Ratio is 0.24, which is 88% below median its own 10-year median of 1.95. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Airthings ASA stock overvalued right now?
Airthings ASA (STU:64J) has a current PB Ratio of 0.24. The stock's GF Value™ is €0.08, compared to a current price of €0.00 — trading 95.5% below its estimated fair value. The current PB Ratio is 0.24, which is 88% below median its 10-year median of 1.95 and 89% below the Industrial Products industry median of 2.18. Airthings ASA's overall GF Score™ is 61/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Airthings ASA (STU:64J), the current PB Ratio is 0.24 as of Jul. 13, 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 Airthings ASA (STU:64J) Overvalued in 2026?
Based on GuruFocus' analysis, Airthings ASA stock appears to be undervalued.
The current stock price of €0.00 is trading 95.5% below its estimated GF Value™ of €0.08.
Key valuation signals for STU:64J:
PB Ratio: 0.24 (88% below median its 10-year median of 1.95)
GF Value™: €0.08 vs. price of €0.00 (95.5% below fair value)
Industry Position: 89% below the Industrial Products median
No single metric tells the full story. See the STU:64J stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Airthings ASA is a hardware-enabled software company that develops products and systems for monitoring indoor air quality, radon, and energy efficiency. The company's solutions resolve issues related to air quality and air containment and enable a reduced CO2 footprint by optimizing energy consumption for buildings. It is engaged in three business segments, which include Airthings for Consumer (Consumer), Airthings for Business (AfB), and Airthings for Professionals (Pro). The majority of the revenue comes from the Airthings for Consumer segment, which offers air quality monitors and air purifiers with software solutions to enable consumers to create and maintain a healthy home environment.
61GF Score
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