Formosa Sumco Technology (TPE:3532) Change In Inventory: NT$-674 Mil (TTM As of Dec. 2025)

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TPE:3532 Formosa Sumco Technology Corp TPE:3532
55 GF Score
Price NT$312.50
GF Value NT$122.54
Valuation Significantly Overvalued
! 9 Warning Signs
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What is Formosa Sumco Technology Change In Inventory?

Formosa Sumco Technology TPE:3532 -1.11% 55 Change In Inventory is NT$-674 Mil as of Dec. 2025. GuruFocus rates TPE:3532 with a GF Score™ of 55/100 and a GF Value™ of NT$122.54 (Significantly Overvalued). The stock has 9 warning signs investors should review.

Formosa Sumco Technology's change in inventory for the quarter that ended in Dec. 2025 was NT$-405 Mil. It means Formosa Sumco Technology's inventory increased by NT$405 Mil from Sep. 2025 to Dec. 2025 .

Formosa Sumco Technology's change in inventory for the fiscal year that ended in Dec. 2025 was NT$-674 Mil. It means Formosa Sumco Technology's inventory increased by NT$674 Mil from Dec. 2024 to Dec. 2025 .

Formosa Sumco Technology's Total Inventories for the quarter that ended in Dec. 2025 was NT$4,195 Mil.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. Formosa Sumco Technology's Days Inventory for the quarter that ended in Dec. 2025 was 127.40.

Inventory Turnover measures how fast the company turns over its inventory within a year. Formosa Sumco Technology's Inventory Turnover for the quarter that ended in Dec. 2025 was 0.72.

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. Formosa Sumco Technology's Inventory-to-Revenue for the quarter that ended in Dec. 2025 was 1.23.


Formosa Sumco Technology  (TPE:3532) Change In Inventory Explanation

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

Formosa Sumco Technology's Days Inventory for the quarter that ended in is calculated as:

Days Inventory=Average Total Inventories/Cost of Goods Sold*Days in Period
=4032.412/2888.096*365 / 4
=127.40

2. Inventory Turnover measures how fast the company turns over its inventory within a year.

Formosa Sumco Technology's Inventory Turnover for the quarter that ended in Dec. 2025 is calculated as

3. 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.

Formosa Sumco Technology's Inventory to Revenue for the quarter that 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.


Formosa Sumco Technology Change In Inventory Related Terms


Formosa Sumco Technology Change In Inventory Historical Data

* Premium members only.

The historical data trend for Formosa Sumco Technology's Change In 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.

Formosa Sumco Technology Change In Inventory Chart

Formosa Sumco Technology Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Change In Inventory
Get a 7-Day Free Trial Premium Member Only Premium Member Only 46.93 -617.39 -223.40 93.89 -673.58

Formosa Sumco Technology Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Change In 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 87.72 -244.05 -191.29 166.57 -404.81
TPE:3532
55GF Score
Formosa Sumco Technology Corp TPE:3532
Change In Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Formosa Sumco Technology Change In Inventory Calculation

Change In Inventory is the difference between last period's ending inventory and the current period's ending inventory.

Change In Inventory for the trailing twelve months (TTM) ended in Dec. 2025 adds up the quarterly data reported by the company within the most recent 12 months, which was NT$-674 Mil.

* 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 Change In Inventory →
What does a Change In Inventory of NT$-674 Mil mean?
Formosa Sumco Technology (TPE:3532) has a Change In Inventory of NT$-674 Mil as of Dec. 2025. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for Formosa Sumco Technology and its competitors.
Is Formosa Sumco Technology's Change In Inventory too high?
Formosa Sumco Technology's current Change In Inventory is NT$-674 Mil. Overall, Formosa Sumco Technology has a GF Score™ of 55/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Formosa Sumco Technology's Change In Inventory compare to AMAT and LRCX?
Formosa Sumco Technology's Change In Inventory of NT$-674 Mil can be compared against companies in the Semiconductors industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Change In Inventory for a Semiconductors company?
A good Change In Inventory depends on the Semiconductors industry context. However, Change In 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 Change In Inventory mean?
A high Change In Inventory can signal that a stock is expensive relative to its fundamentals. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for Formosa Sumco Technology and its competitors. Formosa Sumco Technology's current Change In Inventory is NT$-674 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Formosa Sumco Technology stock overvalued right now?
Based on GuruFocus' analysis, Formosa Sumco Technology (TPE:3532) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$122.54, compared to a current price of NT$312.50 — trading 155% above its estimated fair value. The current Change In Inventory is NT$-674 Mil. Formosa Sumco Technology's overall GF Score™ is 55/100 with 9 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Change In Inventory calculated?
Change In Inventory is calculated from a company's financial statements. For Formosa Sumco Technology (TPE:3532), the current Change In Inventory is NT$-674 Mil 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 Formosa Sumco Technology (TPE:3532) Overvalued in 2026?

Based on GuruFocus' analysis, Formosa Sumco Technology stock appears to be overvalued. The current stock price of NT$312.50 is trading 155% above its estimated GF Value™ of NT$122.54. GuruFocus considers Formosa Sumco Technology to be Significantly Overvalued.

Key valuation signals for TPE:3532:

  • Change In Inventory: NT$-674 Mil
  • GF Value™: NT$122.54 vs. price of NT$312.50 (155% above fair value)
  • GF Score™: 55/100 with 9 warning signs

No single metric tells the full story. See the TPE:3532 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Formosa Sumco Technology Business Description

Address Nanjing East Road, 8th Floor, A1 Building, No. 380, Section 6, Neihu District, Taipei, TWN
Formosa Sumco Technology Corp is a Taiwan-based manufacturer and seller of silicon wafer electronic products. The company operates in two principal geographical areas: Taiwan, China, and Japan, with the majority of revenue from Taiwan. The company's product range includes Polished Wafers, Annealed Wafers, Test Wafers, and Epitaxial Wafers.
55GF Score

Get the complete analysis for TPE:3532

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

NT$312.50
Price
NT$122.54
GF Value