Grand Green Energy (ROCO:6639) Days Inventory: 0.00 (As of Dec. 2025)

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ROCO:6639 Grand Green Energy Corp ROCO:6639
52 GF Score
Price NT$4.30
GF Value NT$4.27
Valuation Fairly Valued
! 4 Warning Signs
View Full Analysis

What is Grand Green Energy Days Inventory?

Grand Green Energy ROCO:6639 -1.15% 52 Days Inventory is 0.00 as of Dec. 2025. GuruFocus rates ROCO:6639 with a GF Score™ of 52/100 and a GF Value™ of NT$4.27 (Fairly Valued). The stock has 4 warning signs investors should review. Among 2,968 Industrial Products companies, Grand Green Energy ranks better than 99.87% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Grand Green Energy's Average Total Inventories for the six months ended in Dec. 2025 was NT$0.0 Mil. Grand Green Energy's Cost of Goods Sold for the six months ended in Dec. 2025 was NT$49.5 Mil. Hence, Grand Green Energy's Days Inventory for the six months ended in Dec. 2025 was 0.00.

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

ROCO:6639' s Days Inventory Range Over the Past 10 Years
Min: 0.06   Med: 5.39   Max: 14.99
Current: 0.42

During the past 11 years, Grand Green Energy's highest Days Inventory was 14.99. The lowest was 0.06. And the median was 5.39.

ROCO:6639's Days Inventory is ranked better than
99.87% of 2968 companies
in the Industrial Products industry
Industry Median: 118.625 vs ROCO:6639: 0.42

Grand Green Energy's Days Inventory declined from Dec. 2024 (0.36) to Dec. 2025 (0.00).

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

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. Grand Green Energy's Inventory-to-Revenue for the six months ended in Dec. 2025 was 0.00.


Grand Green Energy  (ROCO:6639) 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.

Grand Green Energy's Inventory Turnover for the six 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.

Grand Green Energy's Inventory to Revenue for the six 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.


Grand Green Energy Days Inventory Related Terms


Grand Green Energy Days Inventory Historical Data

* Premium members only.

The historical data trend for Grand Green Energy'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.

Grand Green Energy Days Inventory Chart

Grand Green Energy 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 0.00 0.00 0.06 0.14 0.00

Grand Green Energy Semi-Annual Data
Dec15 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 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 0.05 0.20 0.36 0.00 0.00

ROCO:6639 vs GEV, ETN, PH: Days Inventory Comparison

For the Specialty Industrial Machinery subindustry, Grand Green Energy'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.


Grand Green Energy Days Inventory vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Grand Green Energy's Days Inventory distribution charts can be found below:

* The bar in red indicates where Grand Green Energy's Days Inventory falls into.


ROCO:6639
52GF Score
Grand Green Energy Corp ROCO:6639
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Grand Green Energy Days Inventory Calculation

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

Grand Green Energy'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
=( (0 + 0) / 1 ) / 103.931*365
=0 / 103.931*365
=0.00

Grand Green Energy'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
=( (0 + 0) / 1 ) / 49.492*365 / 2
=0 / 49.492*365 / 2
=0.00

* 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?
Grand Green Energy (ROCO:6639) 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 Grand Green Energy and its competitors. Over the past decade, Grand Green Energy's Days Inventory has ranged from 0.06 to 14.99. According to the industry distribution chart, Grand Green Energy ranks #4 out of 2968 companies in the Industrial Products industry, placing it in the top 0.099999999999994%.
Is Grand Green Energy's Days Inventory too high?
Grand Green Energy's current Days Inventory is 0.00. Over the past 10 years, this metric has ranged from a low of 0.06 to a high of 14.99. Based on the distribution chart, Grand Green Energy ranks #4 out of 2968 companies in the Industrial Products industry, which is in the top quartile — a strong position relative to peers. Overall, Grand Green Energy has a GF Score™ of 52/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Grand Green Energy's Days Inventory compare to GEV and ETN?
According to the Industrial Products industry distribution chart, Grand Green Energy ranks #4 out of 2968 companies for Days Inventory. This places Grand Green Energy in the top 0% of its industry — outperforming the majority of peers. The industry median Days Inventory is 118.63. Historically, Grand Green Energy's own Days Inventory has ranged from 0.06 to 14.99 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 Industrial Products company?
The median Days Inventory among Industrial Products companies is 118.63, based on 2,968 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 Grand Green Energy and its competitors. For the Industrial Products industry, the median Days Inventory is 118.63 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Grand Green Energy'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 Grand Green Energy stock overvalued right now?
Based on GuruFocus' analysis, Grand Green Energy (ROCO:6639) is currently considered Fairly Valued. The stock's GF Value™ is NT$4.27, compared to a current price of NT$4.30 — trading 0.7% above its estimated fair value. The current Days Inventory is 0.00. Grand Green Energy's overall GF Score™ is 52/100 with 4 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 Grand Green Energy (ROCO:6639), 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 Grand Green Energy (ROCO:6639) Overvalued in 2026?

Based on GuruFocus' analysis, Grand Green Energy stock appears to be overvalued. The current stock price of NT$4.30 is trading 0.7% above its estimated GF Value™ of NT$4.27. GuruFocus considers Grand Green Energy to be Fairly Valued.

Key valuation signals for ROCO:6639:

  • Days Inventory: 0.00
  • GF Value™: NT$4.27 vs. price of NT$4.30 (0.7% above fair value)
  • GF Score™: 52/100 with 4 warning signs

No single metric tells the full story. See the ROCO:6639 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Grand Green Energy Business Description

Address No.192, Jinshan Street, Yangmei District, Taoyuan City, TWN, 326
Grand Green Energy Corp is mainly engaged in the development and sale of thermal energy supply system and other thermal equipment. The company caters to textile, food, chemical, and paper industry. It also offers air pollution emission equipment.
52GF Score

Get the complete analysis for ROCO:6639

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

NT$4.30
Price
NT$4.27
GF Value