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.
LightAir ABNGM:LAIR 34 Median PS Value is kr1.43 as of Jul. 15, 2026, which is 100% below its 10-year median of 0.33. 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 1,639 Industrial Products companies, LightAir AB ranks better than 91.09% on this metric.
This valuation method assumes that the stock valuation will revert to its historical (10-Year) median in terms of PS Ratio. The reason we use PS Ratio instead of PE Ratio or PB Ratio is because PS Ratio is independent of profit margin, and can be applied to a broader range of situations.
Median PS Value is calculated as trailing twelve months (TTM) Revenue per Share times 10-Year median PS Ratio. LightAir AB's Revenue per Share for the trailing twelve months (TTM) ended in Dec. 2025 was kr1.301. LightAir AB's 10-Year median PS Ratio is 1.0992. Therefore, the Median PS Value for today is kr1.43.
As of today (2026-07-15), LightAir AB's share price is kr0.69. LightAir AB's Median PS Value is kr1.43. Therefore, LightAir AB's Price to Median PS Value for today is 0.48.
The historical rank and industry rank for LightAir AB's Median PS Value or its related term are showing as below:
NGM:LAIR'
s Price-to-Median-PS-Value Range Over the Past 10 Years
Min: 0.14 Med: 0.33 Max: 0.51
Current: 0.48
During the past 13 years, the highest Price to Median PS Value of LightAir AB was 0.51. The lowest was 0.14. And the median was 0.33.
NGM:LAIR's Price-to-Median-PS-Value is ranked better than 91.09% of 1639
companies
in the Industrial Products industry
Industry Median: 1.11
vs NGM:LAIR: 0.48
LightAir AB (NGM:LAIR) Median PS Value Explanation
This valuation method assumes that the stock valuation will revert to its historical (10-Year) mean in terms of PS Ratio. The reason we use PS Ratio instead of PE Ratio or PB Ratio
is because PS Ratio is independent of profit margin, and can be applied to a broader range of situations.
It also assumes that over time the profit margin is constant. If a company increases its profit margin to a sustainable level, this value might under-estimate its value. If it has permanent declined profit margins, this may over-estimate the company's value.
LightAir AB's Price to Median PS Value for today is calculated as
Price to Median PS Value
=
Share Price
/
Median PS Value
=
0.69
/
1.43
=
0.48
* 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.
LightAir AB Median PS Value Related Terms
LightAir AB Median PS Value Historical Data
* Premium members only.
The historical data trend for LightAir AB's Median PS 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.
NGM:LAIR vs VLTO, ZWS, CECO: Median PS Value Comparison
For the Pollution & Treatment Controls subindustry, LightAir AB's Price-to-Median-PS-Value, along with its competitors' market caps and Price-to-Median-PS-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.
LightAir AB Price-to-Median-PS-Value vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, LightAir AB's Price-to-Median-PS-Value distribution charts can be found below:
* The bar in red indicates where LightAir AB's Price-to-Median-PS-Value falls into.
10-Year Median PS Ratio is 1.0992.
For company reported semi-annually, GuruFocus uses latest annual data as the TTM data. LightAir AB's Revenue per Share for the trailing twelve months (TTM) ended in Dec. 2025 was kr1.301.
* 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.
LightAir AB (NGM:LAIR) has a Median PS Value of kr1.43 as of Jul. 15, 2026. Median price-sales value is the stock value based on a company's 10-year median price-sales ratio, View historical data on LightAir AB and its competitors. This is 333% above median its historical median of 0.33. Over the past decade, LightAir AB's Median PS Value has ranged from 0.14 to 0.51. According to the industry distribution chart, LightAir AB ranks #146 out of 1639 companies in the Industrial Products industry, placing it in the top 8.9%.
Is LightAir AB's Median PS Value too high?
LightAir AB's current Median PS Value of kr1.43 is 333% above median its 10-year median of 0.33. Over the past 10 years, this metric has ranged from a low of 0.14 to a high of 0.51. Based on the distribution chart, LightAir AB ranks #146 out of 1639 companies in the Industrial Products industry, which is in the top quartile — a strong position relative to peers. 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 Median PS Value compare to VLTO and ZWS?
According to the Industrial Products industry distribution chart, LightAir AB ranks #146 out of 1639 companies for Median PS Value. This places LightAir AB in the top 9% of its industry — outperforming the majority of peers. The industry median Median PS Value is 1.11. Historically, LightAir AB's own Median PS Value has ranged from 0.14 to 0.51 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Median PS Value for an Industrial Products company?
The median Median PS Value among Industrial Products companies is 1.11, based on 1,639 companies in the industry. Companies in the top quartile (top 25%) have a Median PS Value significantly above this median, while those in the bottom quartile fall well below. However, Median PS 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 Median PS Value mean?
A high Median PS Value can signal that a stock is expensive relative to its fundamentals. Median price-sales value is the stock value based on a company's 10-year median price-sales ratio, View historical data on LightAir AB and its competitors. For the Industrial Products industry, the median Median PS Value is 1.11 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. LightAir AB's current Median PS Value is kr1.43, which is 333% above median its own 10-year median of 0.33. 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 Median PS Value is kr1.43, which is 333% above median its 10-year median of 0.33. 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 Median PS Value calculated?
Median PS Value is calculated from a company's financial statements. For LightAir AB (NGM:LAIR), the current Median PS Value is kr1.43 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:
Median PS Value: kr1.43 (333% above median its 10-year median of 0.33)
GF Value™: kr0.28 vs. price of kr0.69 (146.4% above fair value)
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
Get the complete analysis for NGM:LAIR
Median PS Value is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
NGM:LAIR has been successfully added to your 
