Aqualine (TSE:6173) Days Inventory: 5.63 (As of Feb. 2026) — 67% Below Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

TSE:6173 Aqualine Ltd TSE:6173
21 GF Score
Price 円13.00
GF Value 円44.58
Valuation Possible Value Trap
! 10 Warning Signs
View Full Analysis

What is Aqualine Days Inventory?

Aqualine TSE:6173 21 Days Inventory is 5.63 as of Feb. 2026, which is 67% below its 10-year median of 17.12. GuruFocus rates TSE:6173 with a GF Score™ of 21/100 and a GF Value™ of 円44.58 (Possible Value Trap). The stock has 10 warning signs investors should review. Among 673 Business Services companies, Aqualine ranks better than 71.17% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Aqualine's Average Total Inventories for the six months ended in Feb. 2026 was 円14 Mil. Aqualine's Cost of Goods Sold for the six months ended in Feb. 2026 was 円457 Mil. Hence, Aqualine's Days Inventory for the six months ended in Feb. 2026 was 5.63.

The historical rank and industry rank for Aqualine's Days Inventory or its related term are showing as below:

TSE:6173' s Days Inventory Range Over the Past 10 Years
Min: 8.06   Med: 17.12   Max: 24.15
Current: 8.06

During the past 12 years, Aqualine's highest Days Inventory was 24.15. The lowest was 8.06. And the median was 17.12.

TSE:6173's Days Inventory is ranked better than
71.17% of 673 companies
in the Business Services industry
Industry Median: 25.28 vs TSE:6173: 8.06

Aqualine's Days Inventory declined from Feb. 2025 (49.03) to Feb. 2026 (5.63).

Inventory Turnover measures how fast the company turns over its inventory within a year. Aqualine's Inventory Turnover for the six months ended in Feb. 2026 was 32.42.

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. Aqualine's Inventory-to-Revenue for the six months ended in Feb. 2026 was 0.02.


Aqualine  (TSE:6173) 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.

Aqualine's Inventory Turnover for the six months ended in Feb. 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.

Aqualine's Inventory to Revenue for the six months ended in Feb. 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.


Aqualine Days Inventory Related Terms


Aqualine Days Inventory Historical Data

* Premium members only.

The historical data trend for Aqualine'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.

Aqualine Days Inventory Chart

Aqualine Annual Data
Trend Feb17 Feb18 Feb19 Feb20 Feb21 Feb22 Feb23 Feb24 Feb25 Feb26
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 24.15 22.92 16.44 17.11 8.72

Aqualine Semi-Annual Data
Aug16 Feb17 Aug17 Feb18 Aug18 Feb19 Aug19 Feb20 Aug20 Feb21 Aug21 Feb22 Aug22 Feb23 Aug23 Feb24 Aug24 Feb25 Aug25 Feb26
Days Inventory Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 17.40 10.79 49.03 8.95 5.63

TSE:6173 vs CTAS, CPRT, GPN: Days Inventory Comparison

For the Specialty Business Services subindustry, Aqualine'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.


Aqualine Days Inventory vs Business Services Industry

For the Business Services industry and Industrials sector, Aqualine's Days Inventory distribution charts can be found below:

* The bar in red indicates where Aqualine's Days Inventory falls into.


TSE:6173
21GF Score
Aqualine Ltd TSE:6173
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Aqualine Days Inventory Calculation

Days Inventory indicates the number of days of goods in sales that a company has in the inventory.

Aqualine's Days Inventory for the fiscal year that ended in Feb. 2026 is calculated as

Days Inventory (A: Feb. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Feb. 2025 ) + Total Inventories (A: Feb. 2026 )) / count ) / Cost of Goods Sold (A: Feb. 2026 )*Days in Period
=( (54.311 + 5.168) / 2 ) / 1245.304*365
=29.7395 / 1245.304*365
=8.72

Aqualine's Days Inventory for the quarter that ended in Feb. 2026 is calculated as:

Days Inventory (Q: Feb. 2026 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Aug. 2025 ) + Total Inventories (Q: Feb. 2026 )) / count ) / Cost of Goods Sold (Q: Feb. 2026 )*Days in Period
=( (23.006 + 5.168) / 2 ) / 456.638*365 / 2
=14.087 / 456.638*365 / 2
=5.63

* 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.

Frequently Asked Questions Learn more about Days Inventory →
What does a Days Inventory of 5.63 mean?
Aqualine (TSE:6173) has a Days Inventory of 5.63 as of Feb. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Aqualine and its competitors. This is 67% below median its historical median of 17.12. Over the past decade, Aqualine's Days Inventory has ranged from 8.06 to 24.15. According to the industry distribution chart, Aqualine ranks #194 out of 673 companies in the Business Services industry, placing it in the top 28.8%.
Is Aqualine's Days Inventory too high?
Aqualine's current Days Inventory of 5.63 is 67% below median its 10-year median of 17.12. Over the past 10 years, this metric has ranged from a low of 8.06 to a high of 24.15. The Business Services industry median Days Inventory is 25.28. Aqualine's value of 5.63 is 77.7% below this industry median. Based on the distribution chart, Aqualine ranks #194 out of 673 companies in the Business Services industry, which is above the industry midpoint. Overall, Aqualine has a GF Score™ of 21/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Aqualine's Days Inventory compare to CTAS and CPRT?
According to the Business Services industry distribution chart, Aqualine ranks #194 out of 673 companies for Days Inventory. This puts Aqualine in the upper half of its industry. The industry median Days Inventory is 25.28. Aqualine's value of 5.63 is 77.7% below this benchmark. Historically, Aqualine's own Days Inventory has ranged from 8.06 to 24.15 over the past decade. While the company's 10-year median is 17.12 vs. the industry median of 25.28, Aqualine 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 Days Inventory for a Business Services company?
The median Days Inventory among Business Services companies is 25.28, based on 673 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. Aqualine's current Days Inventory of 5.63 is 77.7% 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 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 Aqualine and its competitors. For the Business Services industry, the median Days Inventory is 25.28 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Aqualine's current Days Inventory is 5.63, which is 67% below median its own 10-year median of 17.12. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Aqualine stock overvalued right now?
Based on GuruFocus' analysis, Aqualine (TSE:6173) is currently considered Possible Value Trap. The stock's GF Value™ is 円44.58, compared to a current price of 円13.00 — trading 70.8% below its estimated fair value. The current Days Inventory is 5.63, which is 67% below median its 10-year median of 17.12 and 77.7% below the Business Services industry median of 25.28. Aqualine's overall GF Score™ is 21/100 with 10 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 Aqualine (TSE:6173), the current Days Inventory is 5.63 as of Feb. 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 Aqualine (TSE:6173) Overvalued in 2026?

Based on GuruFocus' analysis, Aqualine stock appears to be undervalued. The current stock price of 円13.00 is trading 70.8% below its estimated GF Value™ of 円44.58. GuruFocus considers Aqualine to be Possible Value Trap.

Key valuation signals for TSE:6173:

  • Days Inventory: 5.63 (67% below median its 10-year median of 17.12)
  • GF Value™: 円44.58 vs. price of 円13.00 (70.8% below fair value)
  • GF Score™: 21/100 with 10 warning signs
  • Industry Position: 77.7% below the Business Services median (#194 of 673)

No single metric tells the full story. See the TSE:6173 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Aqualine Business Description

Address 8-8 Kami-Hatchobori, 6th Floor, 1st Uenoya Building, Naka-ku, Hiroshima, JPN, 730-0012
Aqualine Ltd is engaged in the repair of water supply products. The company operates in three reportable segments. The Water-related Service Support Business provides support to franchisees, including call center operations for emergency water-related trouble repairs and response, sales and installation of water-related products, and other repair work. The Advertising Media Business sells internet advertising in the field of emergency care. The Mineral Water Business involves the sale of mineral water and the handling of water dispensers. It generates the majority of its revenue from the Water-related Service Support Business segment.
21GF Score

Get the complete analysis for TSE:6173

Days Inventory is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

円13.00
Price
円44.58
GF Value