Airthings ASA (STU:64J) ROE % Adjusted to Book Value: -229.97% (As of Sep. 2025)

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STU:64J Airthings ASA STU:64J
61 GF Score
Price €0.00
GF Value €0.08
! 6 Warning Signs
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What is Airthings ASA ROE % Adjusted to Book Value?

Airthings ASA STU:64J 61 ROE % Adjusted to Book Value is -229.97% as of Sep. 2025. GuruFocus rates STU:64J with a GF Score™ of 61/100 and a GF Value™ of €0.08. The stock has 6 warning signs investors should review.

Airthings ASA's ROE % for the quarter that ended in Sep. 2025 was -80.49%. Airthings ASA's PB Ratio for the quarter that ended in Sep. 2025 was 0.35. Airthings ASA's ROE % Adjusted to Book Value for the quarter that ended in Sep. 2025 was -229.97%.


Airthings ASA ROE % Adjusted to Book Value Related Terms


Airthings ASA ROE % Adjusted to Book Value Historical Data

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The historical data trend for Airthings ASA's ROE % Adjusted to Book Value 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.

Airthings ASA ROE % Adjusted to Book Value Chart

Airthings ASA Annual Data
Trend Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24
ROE % Adjusted to Book Value
Get a 7-Day Free Trial 0.00 -1.83 -9.81 -6.38 -18.75

Airthings ASA Quarterly Data
Dec20 Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25
ROE % Adjusted to Book Value Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -8.92 -60.70 -24.53 -44.53 -229.97

STU:64J vs VRT, BE: ROE % Adjusted to Book Value Comparison

For the Electrical Equipment & Parts subindustry, Airthings ASA's ROE % Adjusted to Book Value, along with its competitors' market caps and ROE % Adjusted to Book Value 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 ROE % Adjusted to Book Value vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Airthings ASA's ROE % Adjusted to Book Value distribution charts can be found below:

* The bar in red indicates where Airthings ASA's ROE % Adjusted to Book Value falls into.


STU:64J
61GF Score
Airthings ASA STU:64J
ROE % Adjusted to Book Value is just one metric. See GF Score™, valuation, warning signs, and more.
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Airthings ASA ROE % Adjusted to Book Value Calculation

Airthings ASA's ROE % Adjusted to Book Value for the fiscal year that ended in Dec. 2024 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=-46.12% / 2.46
=-18.75%

Airthings ASA's ROE % Adjusted to Book Value for the quarter that ended in Sep. 2025 is calculated as

ROE % Adjusted to Book Value=ROE % / PB Ratio
=-80.49% / 0.35
=-229.97%

* 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.

What does a ROE % Adjusted to Book Value of -229.97% mean?
Airthings ASA (STU:64J) has a ROE % Adjusted to Book Value of -229.97% as of Sep. 2025. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Airthings ASA and its competitors.
Is Airthings ASA's ROE % Adjusted to Book Value too high?
Airthings ASA's current ROE % Adjusted to Book Value is -229.97%. 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 ROE % Adjusted to Book Value compare to VRT and BE?
Airthings ASA's ROE % Adjusted to Book Value of -229.97% can be compared against companies in the Industrial Products industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good ROE % Adjusted to Book Value for an Industrial Products company?
A good ROE % Adjusted to Book Value depends on the Industrial Products industry context. However, ROE % Adjusted to Book Value should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high ROE % Adjusted to Book Value mean?
A high ROE % Adjusted to Book Value can signal that a stock is expensive relative to its fundamentals. Return on equity adjusted to book is the ratio of return on equity to price-book ratio. View historical data on Airthings ASA and its competitors. Airthings ASA's current ROE % Adjusted to Book Value is -229.97%. 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 ROE % Adjusted to Book Value of -229.97%. 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 ROE % Adjusted to Book Value is -229.97%. 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 ROE % Adjusted to Book Value calculated?
ROE % Adjusted to Book Value is calculated from a company's financial statements. For Airthings ASA (STU:64J), the current ROE % Adjusted to Book Value is -229.97% as of Sep. 2025. 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:

  • ROE % Adjusted to Book Value: -229.97%
  • GF Value™: €0.08 vs. price of €0.00 (95.5% below fair value)
  • GF Score™: 61/100 with 6 warning signs

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 Business Description

Address Wergelandsveien 7, Oslo, NOR, 0167
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

Get the complete analysis for STU:64J

ROE % Adjusted to Book Value is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€0.00
Price
€0.08
GF Value