Keiyo Gas Co (TSE:9539) Days Inventory: 0.00 (As of Dec. 2025)

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TSE:9539 Keiyo Gas Co Ltd TSE:9539
66 GF Score
Price 円1,476.00
GF Value 円889.63
Valuation Significantly Overvalued
! 8 Warning Signs
View Full Analysis

What is Keiyo Gas Co Days Inventory?

Keiyo Gas Co TSE:9539 -1.53% 66 Days Inventory is 0.00 as of Dec. 2025. GuruFocus rates TSE:9539 with a GF Score™ of 66/100 and a GF Value™ of 円889.63 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 452 Utilities - Regulated companies, Keiyo Gas Co ranks better than 60.4% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Keiyo Gas Co's Average Total Inventories for the three months ended in Dec. 2025 was 円2,130 Mil. Keiyo Gas Co's Cost of Goods Sold for the three months ended in Dec. 2025 was 円0 Mil.

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

TSE:9539' s Days Inventory Range Over the Past 10 Years
Min: 6.66   Med: 9.51   Max: 17.17
Current: 17.17

During the past 13 years, Keiyo Gas Co's highest Days Inventory was 17.17. The lowest was 6.66. And the median was 9.51.

TSE:9539's Days Inventory is ranked better than
60.4% of 452 companies
in the Utilities - Regulated industry
Industry Median: 22.52 vs TSE:9539: 17.17

Keiyo Gas Co'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. Keiyo Gas Co's Inventory Turnover for the three months ended in Dec. 2025 was 0.00.

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.


Keiyo Gas Co  (TSE:9539) 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.

Keiyo Gas Co's Inventory Turnover for the three 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.

Keiyo Gas Co's Inventory to Revenue for the three 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.


Keiyo Gas Co Days Inventory Related Terms


Keiyo Gas Co Days Inventory Historical Data

* Premium members only.

The historical data trend for Keiyo Gas Co'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.

Keiyo Gas Co Days Inventory Chart

Keiyo Gas Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 9.20 6.66 7.13 7.99 9.63

Keiyo Gas Co Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 6.35 9.16 0.00 0.00 8.31

TSE:9539 vs ATO, NI: Days Inventory Comparison

For the Utilities - Regulated Gas subindustry, Keiyo Gas Co'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.


Keiyo Gas Co Days Inventory vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, Keiyo Gas Co's Days Inventory distribution charts can be found below:

* The bar in red indicates where Keiyo Gas Co's Days Inventory falls into.


TSE:9539
66GF Score
Keiyo Gas Co Ltd TSE:9539
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Keiyo Gas Co Days Inventory Calculation

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

Keiyo Gas Co's Days Inventory for the fiscal year that ended in Dec. 2025 is calculated as

Days Inventory (A: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (A: Dec. 2024 ) + Total Inventories (A: Dec. 2025 )) / count ) / Cost of Goods Sold (A: Dec. 2025 )*Days in Period
=( (1881 + 2344) / 2 ) / 80052*365
=2112.5 / 80052*365
=9.63

Keiyo Gas Co's Days Inventory for the quarter that ended in Dec. 2025 is calculated as:

Days Inventory (Q: Dec. 2025 )
=Average Total Inventories / Cost of Goods Sold*Days in Period
=( (Total Inventories (Q: Sep. 2025 ) + Total Inventories (Q: Dec. 2025 )) / count ) / Cost of Goods Sold (Q: Dec. 2025 )*Days in Period
=( (1916 + 2344) / 2 ) / 0*365 / 4
=2130 / 0*365 / 4
=N/A

* 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 0.00 mean?
Keiyo Gas Co (TSE:9539) 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 Keiyo Gas Co and its competitors. Over the past decade, Keiyo Gas Co's Days Inventory has ranged from 6.66 to 17.17. According to the industry distribution chart, Keiyo Gas Co ranks #179 out of 452 companies in the Utilities - Regulated industry, placing it in the top 39.6%.
Is Keiyo Gas Co's Days Inventory too high?
Keiyo Gas Co's current Days Inventory is 0.00. Over the past 10 years, this metric has ranged from a low of 6.66 to a high of 17.17. Based on the distribution chart, Keiyo Gas Co ranks #179 out of 452 companies in the Utilities - Regulated industry, which is above the industry midpoint. Overall, Keiyo Gas Co has a GF Score™ of 66/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Keiyo Gas Co's Days Inventory compare to ATO and NI?
According to the Utilities - Regulated industry distribution chart, Keiyo Gas Co ranks #179 out of 452 companies for Days Inventory. This puts Keiyo Gas Co in the upper half of its industry. The industry median Days Inventory is 22.52. Historically, Keiyo Gas Co's own Days Inventory has ranged from 6.66 to 17.17 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 Keiyo Gas Co 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. Keiyo Gas Co'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 Keiyo Gas Co stock overvalued right now?
Based on GuruFocus' analysis, Keiyo Gas Co (TSE:9539) is currently considered Significantly Overvalued. The stock's GF Value™ is 円889.63, compared to a current price of 円1,476.00 — trading 65.9% above its estimated fair value. The current Days Inventory is 0.00. Keiyo Gas Co's overall GF Score™ is 66/100 with 8 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 Keiyo Gas Co (TSE:9539), 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 Keiyo Gas Co (TSE:9539) Overvalued in 2026?

Based on GuruFocus' analysis, Keiyo Gas Co stock appears to be overvalued. The current stock price of 円1,476.00 is trading 65.9% above its estimated GF Value™ of 円889.63. GuruFocus considers Keiyo Gas Co to be Significantly Overvalued.

Key valuation signals for TSE:9539:

  • Days Inventory: 0.00
  • GF Value™: 円889.63 vs. price of 円1,476.00 (65.9% above fair value)
  • GF Score™: 66/100 with 8 warning signs

No single metric tells the full story. See the TSE:9539 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Keiyo Gas Co Business Description

Address 2-8-8 Minami Ichikawa, Chiba Prefecture, Ichikawa, JPN, 272-8580
Keiyo Gas Co Ltd is engaged in gas business. The company produces, process and sells gas byproducts. It is also engaged in production, sales, rental, installation, repair, maintenance and management of gas appliances, kitchen equipment, water supply, and drainage equipment, air conditioning equipment and housing equipment.
66GF Score

Get the complete analysis for TSE:9539

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

円1,476.00
Price
円889.63
GF Value