Alformer Industrial Co (ROCO:4558) Days Inventory: 221.15 (As of Dec. 2025) — 108% Above Median

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ROCO:4558 Alformer Industrial Co Ltd ROCO:4558
47 GF Score
Price NT$16.85
GF Value NT$24.61
Valuation Possible Value Trap
! 7 Warning Signs
View Full Analysis

What is Alformer Industrial Co Days Inventory?

Alformer Industrial Co ROCO:4558 -0.88% 47 Days Inventory is 221.15 as of Dec. 2025, which is 108% above its 10-year median of 106.49. GuruFocus rates ROCO:4558 with a GF Score™ of 47/100 and a GF Value™ of NT$24.61 (Possible Value Trap). The stock has 7 warning signs investors should review. Among 685 Metals & Mining companies, Alformer Industrial Co ranks worse than 79.27% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Alformer Industrial Co's Average Total Inventories for the three months ended in Dec. 2025 was NT$663 Mil. Alformer Industrial Co's Cost of Goods Sold for the three months ended in Dec. 2025 was NT$274 Mil. Hence, Alformer Industrial Co's Days Inventory for the three months ended in Dec. 2025 was 221.15.

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

ROCO:4558' s Days Inventory Range Over the Past 10 Years
Min: 89.78   Med: 106.49   Max: 196.94
Current: 163.46

During the past 13 years, Alformer Industrial Co's highest Days Inventory was 196.94. The lowest was 89.78. And the median was 106.49.

ROCO:4558's Days Inventory is ranked worse than
79.27% of 685 companies
in the Metals & Mining industry
Industry Median: 86.51 vs ROCO:4558: 163.46

Alformer Industrial Co's Days Inventory increased from Dec. 2024 (192.41) to Dec. 2025 (221.15). It might indicate that Alformer Industrial Co's sales slowed down.

Inventory Turnover measures how fast the company turns over its inventory within a year. Alformer Industrial Co's Inventory Turnover for the three months ended in Dec. 2025 was 0.41.

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. Alformer Industrial Co's Inventory-to-Revenue for the three months ended in Dec. 2025 was 2.20.


Alformer Industrial Co  (ROCO:4558) 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.

Alformer Industrial 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.

Alformer Industrial 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.


Alformer Industrial Co Days Inventory Related Terms


Alformer Industrial Co Days Inventory Historical Data

* Premium members only.

The historical data trend for Alformer Industrial 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.

Alformer Industrial Co Days Inventory Chart

Alformer Industrial 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 103.19 161.83 186.51 196.94 185.05

Alformer Industrial 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 192.41 166.51 135.79 128.66 221.15

ROCO:4558 vs AA, CENX, CSTM: Days Inventory Comparison

For the Aluminum subindustry, Alformer Industrial 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.


Alformer Industrial Co Days Inventory vs Metals & Mining Industry

For the Metals & Mining industry and Basic Materials sector, Alformer Industrial Co's Days Inventory distribution charts can be found below:

* The bar in red indicates where Alformer Industrial Co's Days Inventory falls into.


ROCO:4558
47GF Score
Alformer Industrial Co Ltd ROCO:4558
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Alformer Industrial Co Days Inventory Calculation

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

Alformer Industrial 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
=( (775.733 + 701.357) / 2 ) / 1456.748*365
=738.545 / 1456.748*365
=185.05

Alformer Industrial 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
=( (625 + 701.357) / 2 ) / 273.632*365 / 4
=663.1785 / 273.632*365 / 4
=221.15

* 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 221.15 mean?
Alformer Industrial Co (ROCO:4558) has a Days Inventory of 221.15 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Alformer Industrial Co and its competitors. This is 108% above median its historical median of 106.49. Over the past decade, Alformer Industrial Co's Days Inventory has ranged from 89.78 to 196.94. According to the industry distribution chart, Alformer Industrial Co ranks #543 out of 685 companies in the Metals & Mining industry, placing it in the top 79.3%.
Is Alformer Industrial Co's Days Inventory too high?
Alformer Industrial Co's current Days Inventory of 221.15 is 108% above median its 10-year median of 106.49. Over the past 10 years, this metric has ranged from a low of 89.78 to a high of 196.94. The Metals & Mining industry median Days Inventory is 86.51. Alformer Industrial Co's value of 221.15 is 155.6% above this industry median. Based on the distribution chart, Alformer Industrial Co ranks #543 out of 685 companies in the Metals & Mining industry, which is in the bottom quartile relative to peers. Overall, Alformer Industrial Co has a GF Score™ of 47/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Alformer Industrial Co's Days Inventory compare to AA and CENX?
According to the Metals & Mining industry distribution chart, Alformer Industrial Co ranks #543 out of 685 companies for Days Inventory. This places Alformer Industrial Co in the lower half of its industry. The industry median Days Inventory is 86.51. Alformer Industrial Co's value of 221.15 is 155.6% above this benchmark. Historically, Alformer Industrial Co's own Days Inventory has ranged from 89.78 to 196.94 over the past decade. While the company's 10-year median is 106.49 vs. the industry median of 86.51, Alformer Industrial 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 Metals & Mining company?
The median Days Inventory among Metals & Mining companies is 86.51, based on 685 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. Alformer Industrial Co's current Days Inventory of 221.15 is 155.6% 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 Alformer Industrial Co and its competitors. For the Metals & Mining industry, the median Days Inventory is 86.51 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Alformer Industrial Co's current Days Inventory is 221.15, which is 108% above median its own 10-year median of 106.49. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Alformer Industrial Co stock overvalued right now?
Based on GuruFocus' analysis, Alformer Industrial Co (ROCO:4558) is currently considered Possible Value Trap. The stock's GF Value™ is NT$24.61, compared to a current price of NT$16.85 — trading 31.5% below its estimated fair value. The current Days Inventory is 221.15, which is 108% above median its 10-year median of 106.49 and 155.6% above the Metals & Mining industry median of 86.51. Alformer Industrial Co's overall GF Score™ is 47/100 with 7 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 Alformer Industrial Co (ROCO:4558), the current Days Inventory is 221.15 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 Alformer Industrial Co (ROCO:4558) Overvalued in 2026?

Based on GuruFocus' analysis, Alformer Industrial Co stock appears to be undervalued. The current stock price of NT$16.85 is trading 31.5% below its estimated GF Value™ of NT$24.61. GuruFocus considers Alformer Industrial Co to be Possible Value Trap.

Key valuation signals for ROCO:4558:

  • Days Inventory: 221.15 (108% above median its 10-year median of 106.49)
  • GF Value™: NT$24.61 vs. price of NT$16.85 (31.5% below fair value)
  • GF Score™: 47/100 with 7 warning signs
  • Industry Position: 155.6% above the Metals & Mining median (#543 of 685)

No single metric tells the full story. See the ROCO:4558 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Alformer Industrial Co Business Description

Address Number 30, Caishen Road, Changhua County, Beidou Township, Beidou, TWN, 521
Alformer Industrial Co Ltd is engaged in the manufacturing of aluminum extrusion products. Its products comprise of Aluminum Grilles, Curtain Walls, Aluminum Solar Frames, Green House, Bike Components and Furniture Components among others.
47GF Score

Get the complete analysis for ROCO:4558

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

NT$16.85
Price
NT$24.61
GF Value