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.
Rubicon WaterASX:RWL 18 Days Inventory is 207.64 as of Jun. 2026, which is 4% below its 10-year median of 217.25. GuruFocus rates ASX:RWL with a GF Score™ of 18/100 and a GF Value™ of A$0.22 (Modestly Undervalued). The stock has 3 warning signs investors should review. Among 450 Utilities - Regulated companies, Rubicon Water ranks worse than 94% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). Rubicon Water's Average Total Inventories for the
six
months ended in Jun. 2026 was A$19.70 Mil. Rubicon Water's Cost of Goods Sold for the
six
months ended in Jun. 2026 was A$17.32 Mil.
Hence, Rubicon Water's Days Inventory for the
six
months ended in Jun. 2026 was 207.64.
The historical rank and industry rank for Rubicon Water's Days Inventory or its related term are showing as below:
ASX:RWL'
s Days Inventory Range Over the Past 10 Years
Min: 169.27 Med: 217.25 Max: 243.03
Current: 199.87
During the past 5 years, Rubicon Water's highest Days Inventory was 243.03. The lowest was 169.27. And the median was 217.25.
ASX:RWL's Days Inventory is ranked worse than 94% of 450
companies
in the Utilities - Regulated industry
Industry Median: 22.34
vs ASX:RWL: 199.87
Rubicon Water's Days Inventory
increased
from Jun. 2025 (161.75) to Jun. 2026 (207.64).
It might indicate that Rubicon Water's sales slowed down.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Rubicon Water's Inventory Turnover for the
six
months ended in Jun. 2026 was 0.88.
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.
Rubicon Water's Inventory-to-Revenue for the
six
months ended in Jun. 2026 was 0.61.
Rubicon Water (ASX:RWL) 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.
Rubicon Water's Inventory Turnover for the
six
months ended in Jun. 2026 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.
Rubicon Water's Inventory to Revenue for the
six
months ended in Jun. 2026 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.
Rubicon Water Days Inventory Related Terms
Rubicon Water Days Inventory Historical Data
* Premium members only.
The historical data trend for Rubicon 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.
ASX:RWL vs AWK, WTRG, AWR: Days Inventory Comparison
For the Utilities - Regulated Water subindustry, Rubicon 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.
Rubicon Water Days Inventory vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Rubicon Water's Days Inventory distribution charts can be found below:
* The bar in red indicates where Rubicon 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.
Rubicon Water (ASX:RWL) has a Days Inventory of 207.64 as of Jun. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Rubicon Water and its competitors. This is near median its historical median of 217.25. Over the past decade, Rubicon Water's Days Inventory has ranged from 169.27 to 243.03. According to the industry distribution chart, Rubicon Water ranks #423 out of 450 companies in the Utilities - Regulated industry, placing it in the top 94%.
Is Rubicon Water's Days Inventory too high?
Rubicon Water's current Days Inventory of 207.64 is near median its 10-year median of 217.25. Over the past 10 years, this metric has ranged from a low of 169.27 to a high of 243.03. The Utilities - Regulated industry median Days Inventory is 22.34. Rubicon Water's value of 207.64 is 829.5% above this industry median. Based on the distribution chart, Rubicon Water ranks #423 out of 450 companies in the Utilities - Regulated industry, which is in the bottom quartile relative to peers. Overall, Rubicon Water has a GF Score™ of 18/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Rubicon Water's Days Inventory compare to AWK and WTRG?
According to the Utilities - Regulated industry distribution chart, Rubicon Water ranks #423 out of 450 companies for Days Inventory. This places Rubicon Water in the lower half of its industry. The industry median Days Inventory is 22.34. Rubicon Water's value of 207.64 is 829.5% above this benchmark. Historically, Rubicon Water's own Days Inventory has ranged from 169.27 to 243.03 over the past decade. While the company's 10-year median is 217.25 vs. the industry median of 22.34, Rubicon Water has consistently been above 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 Days Inventory for an Utilities - Regulated company?
The median Days Inventory among Utilities - Regulated companies is 22.34, based on 450 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. Rubicon Water's current Days Inventory of 207.64 is 829.5% above 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 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 Rubicon Water and its competitors. For the Utilities - Regulated industry, the median Days Inventory is 22.34 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Rubicon Water's current Days Inventory is 207.64, which is near median its own 10-year median of 217.25. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Rubicon Water stock overvalued right now?
Based on GuruFocus' analysis, Rubicon Water (ASX:RWL) is currently considered Modestly Undervalued. The stock's GF Value™ is A$0.22, compared to a current price of A$0.16 — trading 27.3% below its estimated fair value. The current Days Inventory is 207.64, which is near median its 10-year median of 217.25 and 829.5% above the Utilities - Regulated industry median of 22.34. Rubicon Water's overall GF Score™ is 18/100 with 3 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 Rubicon Water (ASX:RWL), the current Days Inventory is 207.64 as of Jun. 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 Rubicon Water (ASX:RWL) Overvalued in 2026?
Based on GuruFocus' analysis, Rubicon Water stock appears to be undervalued.
The current stock price of A$0.16 is trading 27.3% below its estimated GF Value™ of A$0.22.
GuruFocus considers Rubicon Water to be Modestly Undervalued.
Key valuation signals for ASX:RWL:
Days Inventory: 207.64 (near median its 10-year median of 217.25)
GF Value™: A$0.22 vs. price of A$0.16 (27.3% below fair value)
Industry Position: 829.5% above the Utilities - Regulated median (#423 of 450)
No single metric tells the full story. See the ASX:RWL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Rubicon Water Ltd is engaged in the water technology solutions business that designs, manufactures, installs, and maintains irrigation automation software and hardware. It generates revenue through sales of hardware, software, and services, as well as from ongoing maintenance of the installed end-to-end solution base.
18GF Score
Get the complete analysis for ASX:RWL
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
ASX:RWL has been successfully added to your 
