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LightAir ABNGM:LAIR 34 PB Ratio is 1.41 as of Jul. 15, 2026, which is 1% above its 10-year median of 1.39. GuruFocus rates NGM:LAIR with a GF Score™ of 34/100 and a GF Value™ of kr0.28 (Significantly Overvalued). The stock has 3 warning signs investors should review. Among 2,983 Industrial Products companies, LightAir AB ranks better than 67.78% on this metric.
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 (2026-07-15), LightAir AB's share price is kr0.69. LightAir AB's Book Value per Share for the quarter that ended in Dec. 2025 was kr0.49. Hence, LightAir AB's PB Ratio of today is 1.41.
The historical rank and industry rank for LightAir AB's PB Ratio or its related term are showing as below:
NGM:LAIR'
s PB Ratio Range Over the Past 10 Years
Min: 0.2 Med: 1.39 Max: 7.09
Current: 1.41
During the past 13 years, LightAir AB's highest PB Ratio was 7.09. The lowest was 0.20. And the median was 1.39.
NGM:LAIR's PB Ratio is ranked better than 67.78% of 2983
companies
in the Industrial Products industry
Industry Median: 2.18
vs NGM:LAIR: 1.41
During the past 12 months, LightAir AB's average Book Value Per Share Growth Rate was -59.70% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -69.10% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -63.30% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was -41.40% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of LightAir AB was 36.90% per year. The lowest was -69.10% per year. And the median was -37.50% 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.
LightAir AB PB Ratio Related Terms
LightAir AB PB Ratio Historical Data
* Premium members only.
The historical data trend for LightAir AB'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 Pollution & Treatment Controls subindustry, LightAir AB'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.
LightAir AB PB Ratio vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, LightAir AB's PB Ratio distribution charts can be found below:
* The bar in red indicates where LightAir AB'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.
LightAir AB'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.
LightAir AB (NGM:LAIR) has a PB Ratio of 1.41 as of Jul. 15, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on LightAir AB and its competitors. This is near median its historical median of 1.39. Over the past decade, LightAir AB's PB Ratio has ranged from 0.20 to 7.09. According to the industry distribution chart, LightAir AB ranks #961 out of 2983 companies in the Industrial Products industry, placing it in the top 32.2%.
Is LightAir AB's PB Ratio too high?
LightAir AB's current PB Ratio of 1.41 is near median its 10-year median of 1.39. Over the past 10 years, this metric has ranged from a low of 0.20 to a high of 7.09. The Industrial Products industry median PB Ratio is 2.18. LightAir AB's value of 1.41 is 35.3% below this industry median. Based on the distribution chart, LightAir AB ranks #961 out of 2983 companies in the Industrial Products industry, which is above the industry midpoint. Overall, LightAir AB has a GF Score™ of 34/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does LightAir AB's PB Ratio compare to VLTO and ZWS?
According to the Industrial Products industry distribution chart, LightAir AB ranks #961 out of 2983 companies for PB Ratio. This puts LightAir AB in the upper half of its industry. The industry median PB Ratio is 2.18. LightAir AB's value of 1.41 is 35.3% below this benchmark. Historically, LightAir AB's own PB Ratio has ranged from 0.20 to 7.09 over the past decade. While the company's 10-year median is 1.39 vs. the industry median of 2.18, LightAir AB 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 2,983 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. LightAir AB's current PB Ratio of 1.41 is 35.3% 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 LightAir AB 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. LightAir AB's current PB Ratio is 1.41, which is near median its own 10-year median of 1.39. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is LightAir AB stock overvalued right now?
Based on GuruFocus' analysis, LightAir AB (NGM:LAIR) is currently considered Significantly Overvalued. The stock's GF Value™ is kr0.28, compared to a current price of kr0.69 — trading 146.4% above its estimated fair value. The current PB Ratio is 1.41, which is near median its 10-year median of 1.39 and 35.3% below the Industrial Products industry median of 2.18. LightAir AB's overall GF Score™ is 34/100 with 3 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 LightAir AB (NGM:LAIR), the current PB Ratio is 1.41 as of Jul. 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 LightAir AB (NGM:LAIR) Overvalued in 2026?
Based on GuruFocus' analysis, LightAir AB stock appears to be overvalued.
The current stock price of kr0.69 is trading 146.4% above its estimated GF Value™ of kr0.28.
GuruFocus considers LightAir AB to be Significantly Overvalued.
Key valuation signals for NGM:LAIR:
PB Ratio: 1.41 (near median its 10-year median of 1.39)
GF Value™: kr0.28 vs. price of kr0.69 (146.4% above fair value)
Industry Position: 35.3% below the Industrial Products median (#961 of 2983)
No single metric tells the full story. See the NGM:LAIR stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
LightAir AB is engaged in manufacturing and selling of air purifiers used for different industrial purposes such as traffic pollution, pet allergen, industrial pollution, smoke, and others. Its Air purifiers products include IonFlow Signature, IonFlow Evolution, IonFlow Style, IonFlow Surface, and others. The company distributes its products in Europe, Asia, and North America.
34GF Score
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