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LiqTech InternationalSTU:39J0 31 PB Ratio is 0.56 as of Jul. 24, 2026, which is 78% below its 10-year median of 2.54. GuruFocus rates STU:39J0 with a GF Score™ of 31/100 and a GF Value™ of €1.07. The stock has 5 warning signs investors should review. Among 2,982 Industrial Products companies, LiqTech International ranks better than 82.96% on this metric.
LiqTech International Inc stock PB Ratio (=0.83) is close to 3-year low of 0.78.
The historical rank and industry rank for LiqTech International's PB Ratio or its related term are showing as below:
STU:39J0'
s PB Ratio Range Over the Past 10 Years
Min: 0.68 Med: 2.54 Max: 21.3
Current: 0.83
During the past 13 years, LiqTech International's highest PB Ratio was 21.30. The lowest was 0.68. And the median was 2.54.
STU:39J0's PB Ratio is ranked better than 82.96% of 2982
companies
in the Industrial Products industry
Industry Median: 2.12
vs STU:39J0: 0.83
During the past 12 months, LiqTech International's average Book Value Per Share Growth Rate was -51.10% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -36.50% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -33.00% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was -17.00% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of LiqTech International was 2050.90% per year. The lowest was -41.00% per year. And the median was -11.95% per year.
Back to Basics: PB Ratio
LiqTech International (STU:39J0) PB Ratio Explanation
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.
* 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, LiqTech International'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.
LiqTech International PB Ratio vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, LiqTech International's PB Ratio distribution charts can be found below:
* The bar in red indicates where LiqTech International'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.
* 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.
LiqTech International (STU:39J0) has a PB Ratio of 0.56 as of Jul. 24, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on LiqTech International and its competitors. This is 78% below median its historical median of 2.54. Over the past decade, LiqTech International's PB Ratio has ranged from 0.68 to 21.30. According to the industry distribution chart, LiqTech International ranks #508 out of 2982 companies in the Industrial Products industry, placing it in the top 17%.
Is LiqTech International's PB Ratio too high?
LiqTech International's current PB Ratio of 0.56 is 78% below median its 10-year median of 2.54. Over the past 10 years, this metric has ranged from a low of 0.68 to a high of 21.30. The Industrial Products industry median PB Ratio is 2.12. LiqTech International's value of 0.56 is 73.6% below this industry median. Based on the distribution chart, LiqTech International ranks #508 out of 2982 companies in the Industrial Products industry, which is in the top quartile — a strong position relative to peers. Overall, LiqTech International has a GF Score™ of 31/100, reflecting its overall financial health beyond just this single metric.
How does LiqTech International's PB Ratio compare to SCWO and CLIR?
According to the Industrial Products industry distribution chart, LiqTech International ranks #508 out of 2982 companies for PB Ratio. This places LiqTech International in the top 17% of its industry — outperforming the majority of peers. The industry median PB Ratio is 2.12. LiqTech International's value of 0.56 is 73.6% below this benchmark. Historically, LiqTech International's own PB Ratio has ranged from 0.68 to 21.30 over the past decade. While the company's 10-year median is 2.54 vs. the industry median of 2.12, LiqTech International 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 2.12, based on 2,982 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. LiqTech International's current PB Ratio of 0.56 is 73.6% 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 LiqTech International and its competitors. For the Industrial Products industry, the median PB Ratio is 2.12 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. LiqTech International's current PB Ratio is 0.56, which is 78% below median its own 10-year median of 2.54. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is LiqTech International stock overvalued right now?
LiqTech International (STU:39J0) has a current PB Ratio of 0.56. The stock's GF Value™ is €1.07, compared to a current price of €0.37 — trading 65% below its estimated fair value. The current PB Ratio is 0.56, which is 78% below median its 10-year median of 2.54 and 73.6% below the Industrial Products industry median of 2.12. LiqTech International's overall GF Score™ is 31/100 with 5 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 LiqTech International (STU:39J0), the current PB Ratio is 0.56 as of Jul. 24, 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 LiqTech International (STU:39J0) Overvalued in 2026?
Based on GuruFocus' analysis, LiqTech International stock appears to be undervalued.
The current stock price of €0.37 is trading 65% below its estimated GF Value™ of €1.07.
Key valuation signals for STU:39J0:
PB Ratio: 0.56 (78% below median its 10-year median of 2.54)
GF Value™: €1.07 vs. price of €0.37 (65% below fair value)
Industry Position: 73.6% below the Industrial Products median (#508 of 2982)
No single metric tells the full story. See the STU:39J0 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
LiqTech International Inc is a clean technology company which provides technology for gas and liquid purification by manufacturing ceramic silicon carbide filters. The company is renowned in three business areas: ceramic membranes and membrane incorporated liquid filtration systems, ceramic diesel particulate filters (DPFs) to control soot exhaust particles and black carbon emission from diesel engines, and plastic components for usage across various industries. The company's product portfolio consists of ceramic silicon membranes for liquid filtration, diesel particulate filters, Hybrid Technology Membranes and others. The Company operates through three reportable segments: Systems and Aftermarket, Filters and Membranes, and Components.
31GF Score
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