Power Master Energy Co (ROCO:6839) Days Inventory: 116.15 (As of Dec. 2025) — 151% Above Median

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ROCO:6839 Power Master Energy Co Ltd ROCO:6839
64 GF Score
Price NT$12.25
GF Value NT$15.60
Valuation Modestly Undervalued
! 6 Warning Signs
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What is Power Master Energy Co Days Inventory?

Power Master Energy Co ROCO:6839 +0.82% 64 Days Inventory is 116.15 as of Dec. 2025, which is 151% above its 10-year median of 46.19. GuruFocus rates ROCO:6839 with a GF Score™ of 64/100 and a GF Value™ of NT$15.60 (Modestly Undervalued). The stock has 6 warning signs investors should review. Among 983 Semiconductors companies, Power Master Energy Co ranks worse than 52.19% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Power Master Energy Co's Average Total Inventories for the six months ended in Dec. 2025 was NT$522 Mil. Power Master Energy Co's Cost of Goods Sold for the six months ended in Dec. 2025 was NT$820 Mil. Hence, Power Master Energy Co's Days Inventory for the six months ended in Dec. 2025 was 116.15.

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

ROCO:6839' s Days Inventory Range Over the Past 10 Years
Min: 8.75   Med: 46.19   Max: 164.31
Current: 117.92

During the past 8 years, Power Master Energy Co's highest Days Inventory was 164.31. The lowest was 8.75. And the median was 46.19.

ROCO:6839's Days Inventory is ranked worse than
52.19% of 983 companies
in the Semiconductors industry
Industry Median: 112.13 vs ROCO:6839: 117.92

Power Master Energy Co's Days Inventory increased from Dec. 2024 (111.72) to Dec. 2025 (116.15). It might indicate that Power Master Energy Co's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. Power Master Energy Co's Inventory Turnover for the six months ended in Dec. 2025 was 1.57.

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. Power Master Energy Co's Inventory-to-Revenue for the six months ended in Dec. 2025 was 0.70.


Power Master Energy Co  (ROCO:6839) 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.

Power Master 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.

Power Master 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.


Power Master Energy Co Days Inventory Related Terms


Power Master Energy Co Days Inventory Historical Data

* Premium members only.

The historical data trend for Power Master 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.

Power Master Energy Co Days Inventory Chart

Power Master Energy Co Annual Data
Trend Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
Get a 7-Day Free Trial 38.24 54.13 164.31 149.22 114.95

Power Master Energy Co Semi-Annual Data
Dec18 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 234.13 217.25 111.72 122.55 116.15

ROCO:6839 vs FSLR, NXT, ENPH: Days Inventory Comparison

For the Solar subindustry, Power Master 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.


Power Master Energy Co Days Inventory vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Power Master Energy Co's Days Inventory distribution charts can be found below:

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


ROCO:6839
64GF Score
Power Master Energy Co Ltd ROCO:6839
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Power Master Energy Co Days Inventory Calculation

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

Power Master 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
=( (576.262 + 476.546) / 2 ) / 1671.522*365
=526.404 / 1671.522*365
=114.95

Power Master 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
=( (567.267 + 476.546) / 2 ) / 820.033*365 / 2
=521.9065 / 820.033*365 / 2
=116.15

* 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 116.15 mean?
Power Master Energy Co (ROCO:6839) has a Days Inventory of 116.15 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Power Master Energy Co and its competitors. This is 151% above median its historical median of 46.19. Over the past decade, Power Master Energy Co's Days Inventory has ranged from 8.75 to 164.31. According to the industry distribution chart, Power Master Energy Co ranks #513 out of 983 companies in the Semiconductors industry, placing it in the top 52.2%.
Is Power Master Energy Co's Days Inventory too high?
Power Master Energy Co's current Days Inventory of 116.15 is 151% above median its 10-year median of 46.19. Over the past 10 years, this metric has ranged from a low of 8.75 to a high of 164.31. The Semiconductors industry median Days Inventory is 112.13. Power Master Energy Co's value of 116.15 is 3.6% above this industry median. Based on the distribution chart, Power Master Energy Co ranks #513 out of 983 companies in the Semiconductors industry, which is below the industry midpoint. Overall, Power Master Energy Co has a GF Score™ of 64/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Power Master Energy Co's Days Inventory compare to FSLR and NXT?
According to the Semiconductors industry distribution chart, Power Master Energy Co ranks #513 out of 983 companies for Days Inventory. This places Power Master Energy Co in the lower half of its industry. The industry median Days Inventory is 112.13. Power Master Energy Co's value of 116.15 is 3.6% above this benchmark. Historically, Power Master Energy Co's own Days Inventory has ranged from 8.75 to 164.31 over the past decade. While the company's 10-year median is 46.19 vs. the industry median of 112.13, Power Master Energy 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 Semiconductors company?
The median Days Inventory among Semiconductors companies is 112.13, based on 983 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. Power Master Energy Co's current Days Inventory of 116.15 is 3.6% 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 Power Master Energy Co and its competitors. For the Semiconductors industry, the median Days Inventory is 112.13 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Power Master Energy Co's current Days Inventory is 116.15, which is 151% above median its own 10-year median of 46.19. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Power Master Energy Co stock overvalued right now?
Based on GuruFocus' analysis, Power Master Energy Co (ROCO:6839) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$15.60, compared to a current price of NT$12.25 — trading 21.5% below its estimated fair value. The current Days Inventory is 116.15, which is 151% above median its 10-year median of 46.19 and 3.6% above the Semiconductors industry median of 112.13. Power Master Energy Co's overall GF Score™ is 64/100 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 Power Master Energy Co (ROCO:6839), the current Days Inventory is 116.15 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 Power Master Energy Co (ROCO:6839) Overvalued in 2026?

Based on GuruFocus' analysis, Power Master Energy Co stock appears to be undervalued. The current stock price of NT$12.25 is trading 21.5% below its estimated GF Value™ of NT$15.60. GuruFocus considers Power Master Energy Co to be Modestly Undervalued.

Key valuation signals for ROCO:6839:

  • Days Inventory: 116.15 (151% above median its 10-year median of 46.19)
  • GF Value™: NT$15.60 vs. price of NT$12.25 (21.5% below fair value)
  • GF Score™: 64/100 with 6 warning signs
  • Industry Position: 3.6% above the Semiconductors median (#513 of 983)

No single metric tells the full story. See the ROCO:6839 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Power Master Energy Co Business Description

Address 3, Zhongzheng Road, 8th Floor, No. 651, Xinzhuang District, New Taipei City, TWN
Power Master Energy Co Ltd Formerly Power Master II Holdings Co Ltd is a professional solar power system provider in Taiwan. The business scope is divided into the four main axes of the solar power systems: Engineering Contract EPC, Power Plant Investment, Maintenance Operation Management, and Energy Storage System. It also develops solar photovoltaic components such as modules, brackets, and inverters.
64GF Score

Get the complete analysis for ROCO:6839

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

NT$12.25
Price
NT$15.60
GF Value