Tung Mung Development Co (ROCO:1480) Days Inventory: 63.31 (As of Dec. 2025) — 28% Below Median

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ROCO:1480 Tung Mung Development Co Ltd ROCO:1480
32 GF Score
Price NT$8.50
! 4 Warning Signs
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What is Tung Mung Development Co Days Inventory?

Tung Mung Development Co ROCO:1480 -3.74% 32 Days Inventory is 63.31 as of Dec. 2025, which is 28% below its 10-year median of 87.83. GuruFocus rates ROCO:1480 with a GF Score™ of 32/100. The stock has 4 warning signs investors should review. Among 582 Steel companies, Tung Mung Development Co ranks better than 63.23% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). Tung Mung Development Co's Average Total Inventories for the six months ended in Dec. 2025 was NT$1,617 Mil. Tung Mung Development Co's Cost of Goods Sold for the six months ended in Dec. 2025 was NT$4,661 Mil. Hence, Tung Mung Development Co's Days Inventory for the six months ended in Dec. 2025 was 63.31.

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

ROCO:1480' s Days Inventory Range Over the Past 10 Years
Min: 68.05   Med: 87.83   Max: 104.78
Current: 69.06

During the past 6 years, Tung Mung Development Co's highest Days Inventory was 104.78. The lowest was 68.05. And the median was 87.83.

ROCO:1480's Days Inventory is ranked better than
63.23% of 582 companies
in the Steel industry
Industry Median: 86.57 vs ROCO:1480: 69.06

Tung Mung Development Co's Days Inventory declined from Dec. 2024 (99.21) to Dec. 2025 (63.31).

Inventory Turnover measures how fast the company turns over its inventory within a year. Tung Mung Development Co's Inventory Turnover for the six months ended in Dec. 2025 was 2.88.

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. Tung Mung Development Co's Inventory-to-Revenue for the six months ended in Dec. 2025 was 0.35.


Tung Mung Development Co  (ROCO:1480) 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.

Tung Mung Development 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.

Tung Mung Development 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.


Tung Mung Development Co Days Inventory Related Terms


Tung Mung Development Co Days Inventory Historical Data

* Premium members only.

The historical data trend for Tung Mung Development 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.

Tung Mung Development Co Days Inventory Chart

Tung Mung Development Co Annual Data
Trend Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Days Inventory
Get a 7-Day Free Trial 72.64 80.46 100.03 104.78 68.05

Tung Mung Development Co Semi-Annual Data
Dec20 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
Days Inventory Get a 7-Day Free Trial Premium Member Only Premium Member Only 115.05 89.24 99.21 74.82 63.31

ROCO:1480 vs NUE, STLD, RS: Days Inventory Comparison

For the Steel subindustry, Tung Mung Development 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.


Tung Mung Development Co Days Inventory vs Steel Industry

For the Steel industry and Basic Materials sector, Tung Mung Development Co's Days Inventory distribution charts can be found below:

* The bar in red indicates where Tung Mung Development Co's Days Inventory falls into.


ROCO:1480
32GF Score
Tung Mung Development Co Ltd ROCO:1480
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Tung Mung Development Co Days Inventory Calculation

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

Tung Mung Development 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
=( (2552.126 + 1249.053) / 2 ) / 10193.631*365
=1900.5895 / 10193.631*365
=68.05

Tung Mung Development 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
=( (1984.599 + 1249.053) / 2 ) / 4660.926*365 / 2
=1616.826 / 4660.926*365 / 2
=63.31

* 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 63.31 mean?
Tung Mung Development Co (ROCO:1480) has a Days Inventory of 63.31 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Tung Mung Development Co and its competitors. This is 28% below median its historical median of 87.83. Over the past decade, Tung Mung Development Co's Days Inventory has ranged from 68.05 to 104.78. According to the industry distribution chart, Tung Mung Development Co ranks #214 out of 582 companies in the Steel industry, placing it in the top 36.8%.
Is Tung Mung Development Co's Days Inventory too high?
Tung Mung Development Co's current Days Inventory of 63.31 is 28% below median its 10-year median of 87.83. Over the past 10 years, this metric has ranged from a low of 68.05 to a high of 104.78. The Steel industry median Days Inventory is 86.57. Tung Mung Development Co's value of 63.31 is 26.9% below this industry median. Based on the distribution chart, Tung Mung Development Co ranks #214 out of 582 companies in the Steel industry, which is above the industry midpoint. Overall, Tung Mung Development Co has a GF Score™ of 32/100, reflecting its overall financial health beyond just this single metric.
How does Tung Mung Development Co's Days Inventory compare to NUE and STLD?
According to the Steel industry distribution chart, Tung Mung Development Co ranks #214 out of 582 companies for Days Inventory. This puts Tung Mung Development Co in the upper half of its industry. The industry median Days Inventory is 86.57. Tung Mung Development Co's value of 63.31 is 26.9% below this benchmark. Historically, Tung Mung Development Co's own Days Inventory has ranged from 68.05 to 104.78 over the past decade. While the company's 10-year median is 87.83 vs. the industry median of 86.57, Tung Mung Development 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 a Steel company?
The median Days Inventory among Steel companies is 86.57, based on 582 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. Tung Mung Development Co's current Days Inventory of 63.31 is 26.9% 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 Tung Mung Development Co and its competitors. For the Steel industry, the median Days Inventory is 86.57 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Tung Mung Development Co's current Days Inventory is 63.31, which is 28% below median its own 10-year median of 87.83. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tung Mung Development Co stock overvalued right now?
Tung Mung Development Co (ROCO:1480) has a current Days Inventory of 63.31. The current Days Inventory is 63.31, which is 28% below median its 10-year median of 87.83 and 26.9% below the Steel industry median of 86.57. Tung Mung Development Co's overall GF Score™ is 32/100 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 Tung Mung Development Co (ROCO:1480), the current Days Inventory is 63.31 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.

Tung Mung Development Co Business Description

Address No. 90, Sec. 1, Hsin-Tai 5th Road, Tower C, 24th Floor, Hsichih District, New Taipei City, TWN
Tung Mung Development Co Ltd engages in manufacturing stainless steel products. The firm produces steel grades, stainless steel coils, and stainless steel sheets.
32GF Score

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