Chang Jia M&E Engineering (ROCO:4550) Days Inventory: 0.00 (As of Dec. 2025)

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ROCO:4550 Chang Jia M&E Engineering Corp ROCO:4550
58 GF Score
Price NT$25.00
GF Value NT$17.65
Valuation Significantly Overvalued
! 5 Warning Signs
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What is Chang Jia M&E Engineering Days Inventory?

Chang Jia M&E Engineering ROCO:4550 -0.20% 58 Days Inventory is 0.00 as of Dec. 2025. GuruFocus rates ROCO:4550 with a GF Score™ of 58/100 and a GF Value™ of NT$17.65 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 1,488 Construction companies, Chang Jia M&E Engineering ranks worse than 67204.23% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Chang Jia M&E Engineering's Average Total Inventories for the three months ended in Dec. 2025 was NT$0.0 Mil. Chang Jia M&E Engineering's Cost of Goods Sold for the three months ended in Dec. 2025 was NT$282.7 Mil. Hence, Chang Jia M&E Engineering's Days Inventory for the three months ended in Dec. 2025 was 0.00.

The historical rank and industry rank for Chang Jia M&E Engineering's Days Inventory or its related term are showing as below:

ROCO:4550's Days Inventory is not ranked *
in the Construction industry.
Industry Median: 49.76
* Ranked among companies with meaningful Days Inventory only.

Chang Jia M&E Engineering's Days Inventory stayed the same from Dec. 2024 (0.00) 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. Chang Jia M&E Engineering's Inventory-to-Revenue for the three months ended in Dec. 2025 was 0.00.


Chang Jia M&E Engineering  (ROCO:4550) 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.

Chang Jia M&E Engineering'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.

Chang Jia M&E Engineering'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.


Chang Jia M&E Engineering Days Inventory Related Terms


Chang Jia M&E Engineering Days Inventory Historical Data

* Premium members only.

The historical data trend for Chang Jia M&E Engineering'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.

Chang Jia M&E Engineering Days Inventory Chart

Chang Jia M&E Engineering 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 0.00 0.00 0.00

Chang Jia M&E Engineering 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 0.00 0.00 0.00 0.00 0.00

ROCO:4550 vs PWR, FIX, EME: Days Inventory Comparison

For the Engineering & Construction subindustry, Chang Jia M&E Engineering'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.


Chang Jia M&E Engineering Days Inventory vs Construction Industry

For the Construction industry and Industrials sector, Chang Jia M&E Engineering's Days Inventory distribution charts can be found below:

* The bar in red indicates where Chang Jia M&E Engineering's Days Inventory falls into.


ROCO:4550
58GF Score
Chang Jia M&E Engineering Corp ROCO:4550
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Chang Jia M&E Engineering Days Inventory Calculation

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

Chang Jia M&E Engineering'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 ) / 778.664*365
=0 / 778.664*365
=0.00

Chang Jia M&E Engineering'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
=( (0 + 0) / 1 ) / 282.742*365 / 4
=0 / 282.742*365 / 4
=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?
Chang Jia M&E Engineering (ROCO:4550) 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 Chang Jia M&E Engineering and its competitors. According to the industry distribution chart, Chang Jia M&E Engineering ranks #999999 out of 1488 companies in the Construction industry.
Is Chang Jia M&E Engineering's Days Inventory too high?
Chang Jia M&E Engineering's current Days Inventory is 0.00. Based on the distribution chart, Chang Jia M&E Engineering ranks #999999 out of 1488 companies in the Construction industry, which is in the bottom quartile relative to peers. Overall, Chang Jia M&E Engineering has a GF Score™ of 58/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Chang Jia M&E Engineering's Days Inventory compare to PWR and FIX?
According to the Construction industry distribution chart, Chang Jia M&E Engineering ranks #999999 out of 1488 companies for Days Inventory. This places Chang Jia M&E Engineering in the lower half of its industry. The industry median Days Inventory is 49.76. 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 Construction company?
The median Days Inventory among Construction companies is 49.76, based on 1,488 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 Chang Jia M&E Engineering and its competitors. For the Construction industry, the median Days Inventory is 49.76 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Chang Jia M&E Engineering'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 Chang Jia M&E Engineering stock overvalued right now?
Based on GuruFocus' analysis, Chang Jia M&E Engineering (ROCO:4550) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$17.65, compared to a current price of NT$25.00 — trading 41.6% above its estimated fair value. The current Days Inventory is 0.00. Chang Jia M&E Engineering's overall GF Score™ is 58/100 with 5 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 Chang Jia M&E Engineering (ROCO:4550), 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 Chang Jia M&E Engineering (ROCO:4550) Overvalued in 2026?

Based on GuruFocus' analysis, Chang Jia M&E Engineering stock appears to be overvalued. The current stock price of NT$25.00 is trading 41.6% above its estimated GF Value™ of NT$17.65. GuruFocus considers Chang Jia M&E Engineering to be Significantly Overvalued.

Key valuation signals for ROCO:4550:

  • Days Inventory: 0.00
  • GF Value™: NT$17.65 vs. price of NT$25.00 (41.6% above fair value)
  • GF Score™: 58/100 with 5 warning signs

No single metric tells the full story. See the ROCO:4550 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Chang Jia M&E Engineering Business Description

Address Number 1, Lane 10, Jihu Road, 8th Floor, Neihu District, Taipei, TWN, 114
Chang Jia M&E Engineering Corp is a Taiwan-based company engaged in the planning, design and engineering contracting of electrical, drainage and air conditioning equipment for various commercial buildings and factories, as well as the operation of sports centers and the import and export of the above-mentioned equipment.
58GF Score

Get the complete analysis for ROCO:4550

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

NT$25.00
Price
NT$17.65
GF Value