Jiin Yeeh Ding Enterprise Co (ROCO:8390) Days Inventory: 95.28 (As of Dec. 2025) — Near Median

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ROCO:8390 Jiin Yeeh Ding Enterprise Co Ltd ROCO:8390
78 GF Score
Price NT$94.00
GF Value NT$68.66
Valuation Significantly Overvalued
! 2 Warning Signs
View Full Analysis

What is Jiin Yeeh Ding Enterprise Co Days Inventory?

Jiin Yeeh Ding Enterprise Co ROCO:8390 -0.84% 78 Days Inventory is 95.28 as of Dec. 2025, which is 4% above its 10-year median of 91.22. GuruFocus rates ROCO:8390 with a GF Score™ of 78/100 and a GF Value™ of NT$68.66 (Significantly Overvalued). The stock has 2 warning signs investors should review. Among 211 Waste Management companies, Jiin Yeeh Ding Enterprise Co ranks worse than 80.09% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Jiin Yeeh Ding Enterprise Co's Average Total Inventories for the three months ended in Dec. 2025 was NT$981 Mil. Jiin Yeeh Ding Enterprise Co's Cost of Goods Sold for the three months ended in Dec. 2025 was NT$940 Mil. Hence, Jiin Yeeh Ding Enterprise Co's Days Inventory for the three months ended in Dec. 2025 was 95.28.

The historical rank and industry rank for Jiin Yeeh Ding Enterprise Co's Days Inventory or its related term are showing as below:

ROCO:8390' s Days Inventory Range Over the Past 10 Years
Min: 80.08   Med: 91.22   Max: 106.58
Current: 94.44

During the past 13 years, Jiin Yeeh Ding Enterprise Co's highest Days Inventory was 106.58. The lowest was 80.08. And the median was 91.22.

ROCO:8390's Days Inventory is ranked worse than
80.09% of 211 companies
in the Waste Management industry
Industry Median: 28.49 vs ROCO:8390: 94.44

Jiin Yeeh Ding Enterprise Co's Days Inventory increased from Dec. 2024 (93.40) to Dec. 2025 (95.28). It might indicate that Jiin Yeeh Ding Enterprise Co's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. Jiin Yeeh Ding Enterprise Co's Inventory Turnover for the three months ended in Dec. 2025 was 0.96.

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. Jiin Yeeh Ding Enterprise Co's Inventory-to-Revenue for the three months ended in Dec. 2025 was 0.79.


Jiin Yeeh Ding Enterprise Co  (ROCO:8390) 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.

Jiin Yeeh Ding Enterprise 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.

Jiin Yeeh Ding Enterprise 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.


Jiin Yeeh Ding Enterprise Co Days Inventory Related Terms


Jiin Yeeh Ding Enterprise Co Days Inventory Historical Data

* Premium members only.

The historical data trend for Jiin Yeeh Ding Enterprise 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.

Jiin Yeeh Ding Enterprise Co Days Inventory Chart

Jiin Yeeh Ding Enterprise 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 92.22 89.11 93.72 80.08 103.12

Jiin Yeeh Ding Enterprise Co Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
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 93.40 92.86 78.59 105.93 95.28

ROCO:8390 vs WM, RSG, WCN: Days Inventory Comparison

For the Waste Management subindustry, Jiin Yeeh Ding Enterprise 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.


Jiin Yeeh Ding Enterprise Co Days Inventory vs Waste Management Industry

For the Waste Management industry and Industrials sector, Jiin Yeeh Ding Enterprise Co's Days Inventory distribution charts can be found below:

* The bar in red indicates where Jiin Yeeh Ding Enterprise Co's Days Inventory falls into.


ROCO:8390
78GF Score
Jiin Yeeh Ding Enterprise Co Ltd ROCO:8390
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Jiin Yeeh Ding Enterprise Co Days Inventory Calculation

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

Jiin Yeeh Ding Enterprise 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
=( (1023.979 + 1064.456) / 2 ) / 3696.238*365
=1044.2175 / 3696.238*365
=103.12

Jiin Yeeh Ding Enterprise 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
=( (897.775 + 1064.456) / 2 ) / 939.667*365 / 4
=981.1155 / 939.667*365 / 4
=95.28

* 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 95.28 mean?
Jiin Yeeh Ding Enterprise Co (ROCO:8390) has a Days Inventory of 95.28 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Jiin Yeeh Ding Enterprise Co and its competitors. This is near median its historical median of 91.22. Over the past decade, Jiin Yeeh Ding Enterprise Co's Days Inventory has ranged from 80.08 to 106.58. According to the industry distribution chart, Jiin Yeeh Ding Enterprise Co ranks #169 out of 211 companies in the Waste Management industry, placing it in the top 80.1%.
Is Jiin Yeeh Ding Enterprise Co's Days Inventory too high?
Jiin Yeeh Ding Enterprise Co's current Days Inventory of 95.28 is near median its 10-year median of 91.22. Over the past 10 years, this metric has ranged from a low of 80.08 to a high of 106.58. The Waste Management industry median Days Inventory is 28.49. Jiin Yeeh Ding Enterprise Co's value of 95.28 is 234.4% above this industry median. Based on the distribution chart, Jiin Yeeh Ding Enterprise Co ranks #169 out of 211 companies in the Waste Management industry, which is in the bottom quartile relative to peers. Overall, Jiin Yeeh Ding Enterprise Co has a GF Score™ of 78/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Jiin Yeeh Ding Enterprise Co's Days Inventory compare to WM and RSG?
According to the Waste Management industry distribution chart, Jiin Yeeh Ding Enterprise Co ranks #169 out of 211 companies for Days Inventory. This places Jiin Yeeh Ding Enterprise Co in the lower half of its industry. The industry median Days Inventory is 28.49. Jiin Yeeh Ding Enterprise Co's value of 95.28 is 234.4% above this benchmark. Historically, Jiin Yeeh Ding Enterprise Co's own Days Inventory has ranged from 80.08 to 106.58 over the past decade. While the company's 10-year median is 91.22 vs. the industry median of 28.49, Jiin Yeeh Ding Enterprise Co 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 a Waste Management company?
The median Days Inventory among Waste Management companies is 28.49, based on 211 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. Jiin Yeeh Ding Enterprise Co's current Days Inventory of 95.28 is 234.4% 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 Jiin Yeeh Ding Enterprise Co and its competitors. For the Waste Management industry, the median Days Inventory is 28.49 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Jiin Yeeh Ding Enterprise Co's current Days Inventory is 95.28, which is near median its own 10-year median of 91.22. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Jiin Yeeh Ding Enterprise Co stock overvalued right now?
Based on GuruFocus' analysis, Jiin Yeeh Ding Enterprise Co (ROCO:8390) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$68.66, compared to a current price of NT$94.00 — trading 36.9% above its estimated fair value. The current Days Inventory is 95.28, which is near median its 10-year median of 91.22 and 234.4% above the Waste Management industry median of 28.49. Jiin Yeeh Ding Enterprise Co's overall GF Score™ is 78/100 with 2 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 Jiin Yeeh Ding Enterprise Co (ROCO:8390), the current Days Inventory is 95.28 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 Jiin Yeeh Ding Enterprise Co (ROCO:8390) Overvalued in 2026?

Based on GuruFocus' analysis, Jiin Yeeh Ding Enterprise Co stock appears to be overvalued. The current stock price of NT$94.00 is trading 36.9% above its estimated GF Value™ of NT$68.66. GuruFocus considers Jiin Yeeh Ding Enterprise Co to be Significantly Overvalued.

Key valuation signals for ROCO:8390:

  • Days Inventory: 95.28 (near median its 10-year median of 91.22)
  • GF Value™: NT$68.66 vs. price of NT$94.00 (36.9% above fair value)
  • GF Score™: 78/100 with 2 warning signs
  • Industry Position: 234.4% above the Waste Management median (#169 of 211)

No single metric tells the full story. See the ROCO:8390 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Jiin Yeeh Ding Enterprise Co Business Description

Address Xibin Road, Section 6, No. 599, Xiangshan District, Hsinchu, TWN, 300
Jiin Yeeh Ding Enterprise Co Ltd is engaged in metal recycling and processing, scrap metal trading, and electronic waste removal and processing. The group generates maximum revenue from the sale of recycled copper, followed by gold and mixed metal, including gold, and other products. Geographically, it derives maximum revenue from Taiwan, and the rest from China, Northeast Asia, Europe, and Southeast Asia.
78GF Score

Get the complete analysis for ROCO:8390

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

NT$94.00
Price
NT$68.66
GF Value