Environmental Control Center Co (TSE:4657) Days Inventory: 0.00 (As of Dec. 2025)

What is Environmental Control Center Co Days Inventory?

Environmental Control Center Co TSE:4657 -0.42% 65 Days Inventory is 0.00 as of Dec. 2025. GuruFocus rates TSE:4657 with a GF Score™ of 65/100 and a GF Value™ of 円566.83 (Modestly Undervalued). The stock has 9 warning signs investors should review. Among 213 Waste Management companies, Environmental Control Center Co ranks worse than 77.93% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Environmental Control Center Co's Average Total Inventories for the three months ended in Dec. 2025 was 円702 Mil. Environmental Control Center 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 Environmental Control Center Co's Days Inventory or its related term are showing as below:

TSE:4657' s Days Inventory Range Over the Past 10 Years
Min: 28.91 Med: 41.9 Max: 90.05
Current: 90.05

During the past 13 years, Environmental Control Center Co's highest Days Inventory was 90.05. The lowest was 28.91. And the median was 41.90.

TSE:4657's Days Inventory is ranked worse than
77.93% of 213 companies
in the Waste Management industry
Industry Median: 28.58 vs TSE:4657: 90.05

Environmental Control Center Co's Days Inventory declined from Jun. 2024 (43.05) to Dec. 2025 (0.00).

Inventory Turnover measures how fast the company turns over its inventory within a year. Environmental Control Center 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.

Environmental Control Center Co (TSE:4657) 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.

Environmental Control Center Co's Inventory Turnover for the three months ended in Dec. 2025 is calculated as

Inventory Turnover	=	Cost of Goods Sold	/	Average Total Inventories
	=	0	/	702.2925
	=	0.00

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.

Environmental Control Center Co's Inventory to Revenue for the three months ended in Dec. 2025 is calculated as

Inventory-to-Revenue	=	Average Total Inventories	/	Revenue
	=	702.2925	/	0
	=

* 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.

Environmental Control Center Co Days Inventory Related Terms

Environmental Control Center Co Days Inventory Historical Data

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The historical data trend for Environmental Control Center Co's Days Inventory can be seen below:

Environmental Control Center Co Days Inventory Chart

Environmental Control Center Co Annual Data

Trend

Jun16

Jun17

Jun18

Jun19

Jun20

Jun21

Jun22

Jun23

Jun24

Jun25

Days Inventory

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58.51

63.04

44.43

41.54

39.76

Environmental Control Center Co Quarterly Data
	Dec20	Mar21	Jun21	Sep21	Dec21	Mar22	Jun22	Sep22	Dec22	Mar23	Jun23	Sep23	Dec23	Mar24	Jun24	Dec24	Mar25	Jun25	Dec25	Mar26
Days Inventory	Get a 7-Day Free Trial															0.00	29.97	51.26	0.00	42.00

TSE:4657 vs WM, RSG, WCN: Days Inventory Comparison

For the Waste Management subindustry, Environmental Control Center 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.

Environmental Control Center Co Days Inventory vs Waste Management Industry

For the Waste Management industry and Industrials sector, Environmental Control Center Co's Days Inventory distribution charts can be found below:

* The bar in red indicates where Environmental Control Center Co's Days Inventory falls into.

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65GF Score

Environmental Control Center Co Ltd TSE:4657

Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.

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Environmental Control Center Co Days Inventory Calculation

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

Environmental Control Center Co's Days Inventory for the fiscal year that ended in Jun. 2025 is calculated as

	Days Inventory (A: Jun. 2025 )
=	Average Total Inventories					/	Cost of Goods Sold	*	Days in Period
=	( (Total Inventories (A: Jun. 2024 )	+	Total Inventories (A: Jun. 2025 ))	/	count )	/	Cost of Goods Sold (A: Jun. 2025 )	*	Days in Period
=	( (545.259	+	492.255)	/	2 )	/	4762.461	*	365
=	518.757					/	4762.461	*	365
=	39.76

Environmental Control Center 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: Jun. 2025 )	+	Total Inventories (Q: Dec. 2025 ))	/	count )	/	Cost of Goods Sold (Q: Dec. 2025 )	*	Days in Period
=	( (492.255	+	912.33)	/	2 )	/	0	*	365 / 4
=	702.2925					/	0	*	365 / 4
=	N/A

Frequently Asked Questions Learn more about Days Inventory →

What does a Days Inventory of 0.00 mean?

Environmental Control Center Co (TSE:4657) 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 Environmental Control Center Co and its competitors. Over the past decade, Environmental Control Center Co's Days Inventory has ranged from 28.91 to 90.05. According to the industry distribution chart, Environmental Control Center Co ranks #166 out of 213 companies in the Waste Management industry, placing it in the top 77.9%.

Is Environmental Control Center Co's Days Inventory too high?

Environmental Control Center Co's current Days Inventory is 0.00. Over the past 10 years, this metric has ranged from a low of 28.91 to a high of 90.05. Based on the distribution chart, Environmental Control Center Co ranks #166 out of 213 companies in the Waste Management industry, which is in the bottom quartile relative to peers. Overall, Environmental Control Center Co has a GF Score™ of 65/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.

How does Environmental Control Center Co's Days Inventory compare to WM and RSG?

According to the Waste Management industry distribution chart, Environmental Control Center Co ranks #166 out of 213 companies for Days Inventory. This places Environmental Control Center Co in the lower half of its industry. The industry median Days Inventory is 28.58. Historically, Environmental Control Center Co's own Days Inventory has ranged from 28.91 to 90.05 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 a Waste Management company?

The median Days Inventory among Waste Management companies is 28.58, based on 213 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 Environmental Control Center Co and its competitors. For the Waste Management industry, the median Days Inventory is 28.58 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Environmental Control Center 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 Environmental Control Center Co stock overvalued right now?

Based on GuruFocus' analysis, Environmental Control Center Co (TSE:4657) is currently considered Modestly Undervalued. The stock's GF Value™ is 円566.83, compared to a current price of 円469.00 — trading 17.3% below its estimated fair value. The current Days Inventory is 0.00. Environmental Control Center Co's overall GF Score™ is 65/100 with 9 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 Environmental Control Center Co (TSE:4657), 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 Environmental Control Center Co (TSE:4657) Overvalued in 2026?

Based on GuruFocus' analysis, Environmental Control Center Co stock appears to be undervalued. The current stock price of 円469.00 is trading 17.3% below its estimated GF Value™ of 円566.83. GuruFocus considers Environmental Control Center Co to be Modestly Undervalued.

Key valuation signals for TSE:4657:

Days Inventory: 0.00
GF Value™: 円566.83 vs. price of 円469.00 (17.3% below fair value)
GF Score™: 65/100 with 9 warning signs

No single metric tells the full story. See the TSE:4657 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Environmental Control Center Co Business Description

Industry Industrials Waste Management

Comparable Companies TSE:5699 TSE:2195 TSE:4245 WM RSG WCN XPAR:VIE CLH GFL XMAD:FCC CWST XBRU:UMI SZSE:002340 SHSE:603568 SHSE:603588 ASX:CWY HKSE:00257 TSX:SES OSL:TOM SZSE:300779

Address 3-7-23 Sanda-machi, Hachioji-shi, Tokyo, JPN, 193-0832

Website http://www.kankyo-kanri.co.jp

Environmental Control Center Co Ltd is a Japan based environmental consulting company with a focus on chemical analysis. It provides solutions for environmental problems by monitoring and consulting services for air, water, and soil in the general environment. In addition, it also offers environmental survey, analysis, consulting and designing services for environmental or waste management, environmental conservation and remediation of municipal, prefectural and national governments.

65GF Score

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

円469.00

Price

円566.83

GF Value

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