TSG Development Co (ROCO:3521) Days Inventory: 1,693.63 (As of Dec. 2025) — 143% Above Median

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ROCO:3521 TSG Development Co Ltd ROCO:3521
57 GF Score
Price NT$12.20
GF Value NT$9.98
Valuation Modestly Overvalued
! 2 Warning Signs
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What is TSG Development Co Days Inventory?

TSG Development Co ROCO:3521 57 Days Inventory is 1,693.63 as of Dec. 2025, which is 143% above its 10-year median of 696.79. GuruFocus rates ROCO:3521 with a GF Score™ of 57/100 and a GF Value™ of NT$9.98 (Modestly Overvalued). The stock has 2 warning signs investors should review. Among 1,489 Construction companies, TSG Development Co ranks worse than 96.04% on this metric.

Days Inventory is also known as Days Sales of Inventory (DSI). TSG Development Co's Average Total Inventories for the three months ended in Dec. 2025 was NT$291.0 Mil. TSG Development Co's Cost of Goods Sold for the three months ended in Dec. 2025 was NT$15.7 Mil. Hence, TSG Development Co's Days Inventory for the three months ended in Dec. 2025 was 1,693.63.

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

ROCO:3521' s Days Inventory Range Over the Past 10 Years
Min: 278.73   Med: 696.79   Max: 1103.34
Current: 648.45

During the past 13 years, TSG Development Co's highest Days Inventory was 1103.34. The lowest was 278.73. And the median was 696.79.

ROCO:3521's Days Inventory is ranked worse than
96.04% of 1489 companies
in the Construction industry
Industry Median: 49.78 vs ROCO:3521: 648.45

TSG Development Co's Days Inventory declined from Dec. 2024 (3,770.72) to Dec. 2025 (1,693.63).

Inventory Turnover measures how fast the company turns over its inventory within a year. TSG Development Co's Inventory Turnover for the three months ended in Dec. 2025 was 0.05.

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. TSG Development Co's Inventory-to-Revenue for the three months ended in Dec. 2025 was 26.03.


TSG Development Co  (ROCO:3521) 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.

TSG Development 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.

TSG Development 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.


TSG Development Co Days Inventory Related Terms


TSG Development Co Days Inventory Historical Data

* Premium members only.

The historical data trend for TSG 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.

TSG Development Co Days Inventory Chart

TSG Development 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 693.86 1,103.34 863.51 976.81 636.75

TSG Development 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 3,770.72 1,496.99 294.70 773.29 1,693.63

ROCO:3521 vs PWR, FIX, EME: Days Inventory Comparison

For the Engineering & Construction subindustry, TSG 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.


TSG Development Co Days Inventory vs Construction Industry

For the Construction industry and Industrials sector, TSG Development Co's Days Inventory distribution charts can be found below:

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


ROCO:3521
57GF Score
TSG Development Co Ltd ROCO:3521
Days Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

TSG Development Co Days Inventory Calculation

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

TSG 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
=( (412.661 + 284.16) / 2 ) / 199.716*365
=348.4105 / 199.716*365
=636.75

TSG 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: Sep. 2025 ) + Total Inventories (Q: Dec. 2025 )) / count ) / Cost of Goods Sold (Q: Dec. 2025 )*Days in Period
=( (297.78 + 284.16) / 2 ) / 15.677*365 / 4
=290.97 / 15.677*365 / 4
=1,693.63

* 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 1,693.63 mean?
TSG Development Co (ROCO:3521) has a Days Inventory of 1,693.63 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on TSG Development Co and its competitors. This is 143% above median its historical median of 696.79. Over the past decade, TSG Development Co's Days Inventory has ranged from 278.73 to 1,103.34. According to the industry distribution chart, TSG Development Co ranks #1430 out of 1489 companies in the Construction industry, placing it in the top 96%.
Is TSG Development Co's Days Inventory too high?
TSG Development Co's current Days Inventory of 1,693.63 is 143% above median its 10-year median of 696.79. Over the past 10 years, this metric has ranged from a low of 278.73 to a high of 1,103.34. The Construction industry median Days Inventory is 49.78. TSG Development Co's value of 1,693.63 is 3302.2% above this industry median. Based on the distribution chart, TSG Development Co ranks #1430 out of 1489 companies in the Construction industry, which is in the bottom quartile relative to peers. Overall, TSG Development Co has a GF Score™ of 57/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does TSG Development Co's Days Inventory compare to PWR and FIX?
According to the Construction industry distribution chart, TSG Development Co ranks #1430 out of 1489 companies for Days Inventory. This places TSG Development Co in the lower half of its industry. The industry median Days Inventory is 49.78. TSG Development Co's value of 1,693.63 is 3302.2% above this benchmark. Historically, TSG Development Co's own Days Inventory has ranged from 278.73 to 1,103.34 over the past decade. While the company's 10-year median is 696.79 vs. the industry median of 49.78, TSG Development 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 Construction company?
The median Days Inventory among Construction companies is 49.78, based on 1,489 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. TSG Development Co's current Days Inventory of 1,693.63 is 3302.2% 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 TSG Development Co and its competitors. For the Construction industry, the median Days Inventory is 49.78 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. TSG Development Co's current Days Inventory is 1,693.63, which is 143% above median its own 10-year median of 696.79. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is TSG Development Co stock overvalued right now?
Based on GuruFocus' analysis, TSG Development Co (ROCO:3521) is currently considered Modestly Overvalued. The stock's GF Value™ is NT$9.98, compared to a current price of NT$12.20 — trading 22.2% above its estimated fair value. The current Days Inventory is 1,693.63, which is 143% above median its 10-year median of 696.79 and 3302.2% above the Construction industry median of 49.78. TSG Development Co's overall GF Score™ is 57/100 with 2 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 TSG Development Co (ROCO:3521), the current Days Inventory is 1,693.63 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 TSG Development Co (ROCO:3521) Overvalued in 2026?

Based on GuruFocus' analysis, TSG Development Co stock appears to be overvalued. The current stock price of NT$12.20 is trading 22.2% above its estimated GF Value™ of NT$9.98. GuruFocus considers TSG Development Co to be Modestly Overvalued.

Key valuation signals for ROCO:3521:

  • Days Inventory: 1,693.63 (143% above median its 10-year median of 696.79)
  • GF Value™: NT$9.98 vs. price of NT$12.20 (22.2% above fair value)
  • GF Score™: 57/100 with 2 warning signs
  • Industry Position: 3302.2% above the Construction median (#1430 of 1489)

No single metric tells the full story. See the ROCO:3521 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


TSG Development Co Business Description

Address 25th Floor, No. 502, Jiuru 1st Road, Sanmin District, Kaohsiung City, Taipei, TWN, 235
TSG Development Co Ltd Formerly Datavan International Corp is engaged in the research and development, design, manufacture and sale of endpoint sales system software and hardware, import and export of computer information equipment and its peripheral equipment parts and accessories, and development and sale of residential and buildings for lease, investment in construction of public works and real estate trading. It operates in two reportable operating segments: Technology Business Division; and Construction Business Division, which earns majority of the revenue from real estate construction and related sales management services and other businesses. Geographically, its operations are spread across Asia, Europe, Americas and Other with majority of the revenue generating from Asia.
57GF Score

Get the complete analysis for ROCO:3521

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

NT$12.20
Price
NT$9.98
GF Value