Greenrock Energy Co (ROCO:7833) Days Inventory: 6.27 (As of Dec. 2025) — 1691% Above Median

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ROCO:7833 Greenrock Energy Co Ltd ROCO:7833
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Price NT$21.50
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What is Greenrock Energy Co Days Inventory?

Greenrock Energy Co ROCO:7833 -2.71% 7 Days Inventory is 6.27 as of Dec. 2025, which is 1691% above its 10-year median of 0.35. GuruFocus rates ROCO:7833 with a GF Score™ of 7/100. The stock has 6 warning signs investors should review. Among 334 Utilities - Independent Power Producers companies, Greenrock Energy Co ranks better than 88.02% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Greenrock Energy Co's Average Total Inventories for the six months ended in Dec. 2025 was NT$10.9 Mil. Greenrock Energy Co's Cost of Goods Sold for the six months ended in Dec. 2025 was NT$317.9 Mil. Hence, Greenrock Energy Co's Days Inventory for the six months ended in Dec. 2025 was 6.27.

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

ROCO:7833' s Days Inventory Range Over the Past 10 Years
Min: 0.14   Med: 0.35   Max: 5.48
Current: 5.48

During the past 3 years, Greenrock Energy Co's highest Days Inventory was 5.48. The lowest was 0.14. And the median was 0.35.

ROCO:7833's Days Inventory is ranked better than
88.02% of 334 companies
in the Utilities - Independent Power Producers industry
Industry Median: 27.9 vs ROCO:7833: 5.48

Greenrock Energy Co's Days Inventory increased from Dec. 2024 (0.00) to Dec. 2025 (6.27). It might indicate that Greenrock Energy Co's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. Greenrock Energy Co's Inventory Turnover for the six months ended in Dec. 2025 was 29.10.

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. Greenrock Energy Co's Inventory-to-Revenue for the six months ended in Dec. 2025 was 0.03.


Greenrock Energy Co  (ROCO:7833) 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.

Greenrock Energy Co'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.

Greenrock Energy Co'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.


Greenrock Energy Co Days Inventory Related Terms


Greenrock Energy Co Days Inventory Historical Data

* Premium members only.

The historical data trend for Greenrock Energy 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.

Greenrock Energy Co Days Inventory Chart

Greenrock Energy Co Annual Data
Trend Dec23 Dec24 Dec25
Days Inventory
0.35 0.14 5.48

Greenrock Energy Co Semi-Annual Data
Dec23 Jun24 Dec24 Jun25 Dec25
Days Inventory 0.00 0.28 0.00 0.00 6.27

Greenrock Energy Co Days Inventory Competitor Comparison

For the Utilities - Renewable subindustry, Greenrock Energy 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.


Greenrock Energy Co Days Inventory vs Utilities - Independent Power Producers Industry

For the Utilities - Independent Power Producers industry and Utilities sector, Greenrock Energy Co's Days Inventory distribution charts can be found below:

* The bar in red indicates where Greenrock Energy Co's Days Inventory falls into.


ROCO:7833
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Greenrock Energy Co Ltd ROCO:7833
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Greenrock Energy Co Days Inventory Calculation

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

Greenrock Energy 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
=( (0 + 10.923) / 1 ) / 727.17*365
=10.923 / 727.17*365
=5.48

Greenrock Energy 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
=( (0 + 10.923) / 1 ) / 317.906*365 / 2
=10.923 / 317.906*365 / 2
=6.27

* 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 6.27 mean?
Greenrock Energy Co (ROCO:7833) has a Days Inventory of 6.27 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Greenrock Energy Co and its competitors. This is 1691% above median its historical median of 0.35. Over the past decade, Greenrock Energy Co's Days Inventory has ranged from 0.14 to 5.48. According to the industry distribution chart, Greenrock Energy Co ranks #40 out of 334 companies in the Utilities - Independent Power Producers industry, placing it in the top 12%.
Is Greenrock Energy Co's Days Inventory too high?
Greenrock Energy Co's current Days Inventory of 6.27 is 1691% above median its 10-year median of 0.35. Over the past 10 years, this metric has ranged from a low of 0.14 to a high of 5.48. The Utilities - Independent Power Producers industry median Days Inventory is 27.90. Greenrock Energy Co's value of 6.27 is 77.5% below this industry median. Based on the distribution chart, Greenrock Energy Co ranks #40 out of 334 companies in the Utilities - Independent Power Producers industry, which is in the top quartile — a strong position relative to peers. Overall, Greenrock Energy Co has a GF Score™ of 7/100, reflecting its overall financial health beyond just this single metric.
How does Greenrock Energy Co's Days Inventory compare to competitors?
According to the Utilities - Independent Power Producers industry distribution chart, Greenrock Energy Co ranks #40 out of 334 companies for Days Inventory. This places Greenrock Energy Co in the top 12% of its industry — outperforming the majority of peers. The industry median Days Inventory is 27.90. Greenrock Energy Co's value of 6.27 is 77.5% below this benchmark. Historically, Greenrock Energy Co's own Days Inventory has ranged from 0.14 to 5.48 over the past decade. While the company's 10-year median is 0.35 vs. the industry median of 27.90, Greenrock Energy Co 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 an Utilities - Independent Power Producers company?
The median Days Inventory among Utilities - Independent Power Producers companies is 27.90, based on 334 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. Greenrock Energy Co's current Days Inventory of 6.27 is 77.5% 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 Greenrock Energy Co and its competitors. For the Utilities - Independent Power Producers industry, the median Days Inventory is 27.90 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Greenrock Energy Co's current Days Inventory is 6.27, which is 1691% above median its own 10-year median of 0.35. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Greenrock Energy Co stock overvalued right now?
Greenrock Energy Co (ROCO:7833) has a current Days Inventory of 6.27. The current Days Inventory is 6.27, which is 1691% above median its 10-year median of 0.35 and 77.5% below the Utilities - Independent Power Producers industry median of 27.90. Greenrock Energy Co's overall GF Score™ is 7/100 with 6 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 Greenrock Energy Co (ROCO:7833), the current Days Inventory is 6.27 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.

Greenrock Energy Co Business Description

Address Ciyun Road, 13th Floor, 6-8, No.118, East District, Hsinchu, TWN
Greenrock Energy Co Ltd is engaged in the development of renewable and clean energy. The core business of the company includes energy generation (power plant development and investment), EPC services (engineering, procurement, and construction), and energy storage solutions. The company provides comprehensive renewable energy services, covering solar power plant development, EPC project execution, integrated system operations and maintenance, and green energy trading platform development.
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