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.
Clean Teq Water has the GF Score of 33, which implies that the company
might have
Worst future performance potential, or not enough data.
The GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation, which has been found to be closely correlated to the long-term performances of stocks by backtesting from 2006 to 2021. The stocks with a higher GF Score generally generate higher returns than those with lower GF Scores. Therefore, when picking stocks, investors should invest in companies with high GF Scores. The GF Score ranges from 0 to 100, with 100 as the highest rank.
GF Score takes following five key aspects into consideration:
Each one of these components is ranked and the ranks also have positive correlation with the long term performances of stocks. The GF score is calculated using the five key aspects of analysis. Through backtesting, we know that each of these key aspects has a different impact on the stock price performance. Thus, they are weighted differently when calculating the total score. The Profitability Rank and the Growth Rank are weighted fully, while other parameters have less weight.
Based on research and backtesting result, GuruFocus believes Clean Teq Water
might have
Worst future performance potential, or not enough data.
Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.
Clean Teq Water (STU:9NK) GF Score Explanation
Based on the historical long-term performances among five valuation aspects, the GF Score is found to be closely correlated to the long-term performances of stocks. It ranges from 0 to 100, with 100 as the highest. GuruFocus divided GF Score into following 5 categories:
GF Score
Performance Potential and All-in-One Screener Examples (1)
(1) These are some simple examples. You can access our GF Score filter under All-in-One Screener’s Fundamental tab.
Clean Teq Water GF Score Related Terms
STU:9NK vs AWK, WTRG, AWR: GF Score Comparison
For the Utilities - Regulated Water subindustry, Clean Teq Water's GF Score, along with its competitors' market caps and GF Score 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.
Clean Teq Water GF Score vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Clean Teq Water's GF Score distribution charts can be found below:
* The bar in red indicates where Clean Teq Water's GF Score falls into.
Clean Teq Water (STU:9NK) has a GF Score of 33 as of Jul. 15, 2026. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on Clean Teq Water and its competitors. This is 83% above median its historical median of 18.00. Over the past decade, Clean Teq Water's GF Score has ranged from 5.00 to 40.00.
Is Clean Teq Water's GF Score too high?
Clean Teq Water's current GF Score of 33 is 83% above median its 10-year median of 18.00. Over the past 10 years, this metric has ranged from a low of 5.00 to a high of 40.00. Overall, Clean Teq Water has a GF Score™ of 33/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Clean Teq Water's GF Score compare to AWK and WTRG?
Clean Teq Water's GF Score of 33 can be compared against companies in the Utilities - Regulated industry. Historically, Clean Teq Water's own GF Score has ranged from 5.00 to 40.00 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 GF Score for an Utilities - Regulated company?
A good GF Score depends on the Utilities - Regulated industry context. However, GF Score 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 GF Score mean?
A high GF Score can signal that a stock is expensive relative to its fundamentals. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on Clean Teq Water and its competitors. Clean Teq Water's current GF Score is 33, which is 83% above median its own 10-year median of 18.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Clean Teq Water stock overvalued right now?
Based on GuruFocus' analysis, Clean Teq Water (STU:9NK) is currently considered Modestly Overvalued. The stock's GF Value™ is €0.20, compared to a current price of €0.26 — trading 28% above its estimated fair value. The current GF Score is 33, which is 83% above median its 10-year median of 18.00. Clean Teq Water's overall GF Score™ is 33/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is GF Score calculated?
GF Score is calculated from a company's financial statements. For Clean Teq Water (STU:9NK), the current GF Score is 33 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 Clean Teq Water (STU:9NK) Overvalued in 2026?
Based on GuruFocus' analysis, Clean Teq Water stock appears to be overvalued.
The current stock price of €0.26 is trading 28% above its estimated GF Value™ of €0.20.
GuruFocus considers Clean Teq Water to be Modestly Overvalued.
Key valuation signals for STU:9NK:
GF Score: 33 (83% above median its 10-year median of 18.00)
GF Value™: €0.20 vs. price of €0.26 (28% above fair value)
No single metric tells the full story. See the STU:9NK stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Clean Teq Water Ltd provides inventive metals recovery and water treatment solutions for governments and companies. Its technology solutions include desalination, nutrient removal, zero liquid discharge and hardness removal. It focuses on sectors such as municipal wastewater, surface water, industrial wastewater and mining process water. The company has offices and laboratories in Melbourne, Perth, Beijing and Tianjin, and partner offices in Africa and Latin America.
33GF Score
Get the complete analysis for STU:9NK
GF Score is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
STU:9NK has been successfully added to your 
