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.
The historical rank and industry rank for Clean Teq Water's Days Inventory or its related term are showing as below:
During the past 4 years, Clean Teq Water's highest Days Inventory was 13.64. The lowest was 12.30. And the median was 12.97.
STU:9NK's Days Inventory is not ranked *
in the Utilities - Regulated industry.
Industry Median: 22.52 * Ranked among companies with meaningful Days Inventory only.
Clean Teq Water's Days Inventory
stayed the same
from Dec. 2024 (0.00) to Dec. 2025 (0.00).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Clean Teq Water's Inventory-to-Revenue for the
six
months ended in Dec. 2025 was 0.00.
Clean Teq Water (STU:9NK) Days Inventory Explanation
Days Inventory indicates the liquidity of the inventory. Generally, a lower Days Inventory is preferred as it indicates a shorter duration to clear off the inventory. An increase of the ratio may indicate the company's sales slowed. Similar ratios related to Days Inventory are:
1. Inventory Turnover measures how fast the company turns over its inventory within a year.
Clean Teq Water's Inventory Turnover for the
six
months ended in Dec. 2025 is calculated as
2. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Clean Teq Water's Inventory to Revenue for the
six
months ended in Dec. 2025 is calculated as
* 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.
Be Aware
A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.
Clean Teq Water Days Inventory Related Terms
Clean Teq Water Days Inventory Historical Data
* Premium members only.
The historical data trend for Clean Teq Water's Days Inventory 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.
STU:9NK vs AWK, WTRG, AWR: Days Inventory Comparison
For the Utilities - Regulated Water subindustry, Clean Teq Water's Days Inventory, along with its competitors' market caps and Days Inventory 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 Days Inventory vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Clean Teq Water's Days Inventory distribution charts can be found below:
* The bar in red indicates where Clean Teq Water's Days Inventory falls into.
* 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.
Clean Teq Water (STU:9NK) has a Days Inventory of 0.00 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Clean Teq Water and its competitors. Over the past decade, Clean Teq Water's Days Inventory has ranged from 12.30 to 13.64. According to the industry distribution chart, Clean Teq Water ranks #999999 out of 452 companies in the Utilities - Regulated industry.
Is Clean Teq Water's Days Inventory too high?
Clean Teq Water's current Days Inventory is 0.00. Over the past 10 years, this metric has ranged from a low of 12.30 to a high of 13.64. Based on the distribution chart, Clean Teq Water ranks #999999 out of 452 companies in the Utilities - Regulated industry, which is in the bottom quartile relative to peers. 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 Days Inventory compare to AWK and WTRG?
According to the Utilities - Regulated industry distribution chart, Clean Teq Water ranks #999999 out of 452 companies for Days Inventory. This places Clean Teq Water in the lower half of its industry. The industry median Days Inventory is 22.52. Historically, Clean Teq Water's own Days Inventory has ranged from 12.30 to 13.64 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 Days Inventory for an Utilities - Regulated company?
The median Days Inventory among Utilities - Regulated companies is 22.52, based on 452 companies in the industry. Companies in the top quartile (top 25%) have a Days Inventory significantly above this median, while those in the bottom quartile fall well below. However, Days Inventory 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 Days Inventory mean?
A high Days Inventory can signal that a stock is expensive relative to its fundamentals. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Clean Teq Water and its competitors. For the Utilities - Regulated industry, the median Days Inventory is 22.52 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Clean Teq Water's current Days Inventory is 0.00. 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 €0.25 — trading 25% above its estimated fair value. The current Days Inventory is 0.00. 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 Days Inventory calculated?
Days Inventory is calculated from a company's financial statements. For Clean Teq Water (STU:9NK), the current Days Inventory is 0.00 as of Dec. 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 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 €0.25 is trading 25% above its estimated GF Value™ of €0.20.
GuruFocus considers Clean Teq Water to be Modestly Overvalued.
Key valuation signals for STU:9NK:
Days Inventory: 0.00
GF Value™: €0.20 vs. price of €0.25 (25% 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
Days Inventory 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 
