Wafer Works (ROCO:6182) Change In Inventory: NT$-624 Mil (TTM As of Jun. 2026)

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ROCO:6182 Wafer Works Corp ROCO:6182
60 GF Score
Price NT$110.50
GF Value NT$32.58
Valuation Significantly Overvalued
! 8 Warning Signs
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What is Wafer Works Change In Inventory?

Wafer Works ROCO:6182 +1.38% 60 Change In Inventory is NT$-624 Mil as of Jun. 2026. GuruFocus rates ROCO:6182 with a GF Score™ of 60/100 and a GF Value™ of NT$32.58 (Significantly Overvalued). The stock has 8 warning signs investors should review.

Wafer Works's change in inventory for the quarter that ended in Jun. 2026 was NT$-19 Mil. It means Wafer Works's inventory increased by NT$19 Mil from Mar. 2026 to Jun. 2026 .

Wafer Works's change in inventory for the fiscal year that ended in Dec. 2025 was NT$-243 Mil. It means Wafer Works's inventory increased by NT$243 Mil from Dec. 2024 to Dec. 2025 .

Wafer Works's Total Inventories for the quarter that ended in Jun. 2026 was NT$3,114 Mil.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. Wafer Works's Days Inventory for the quarter that ended in Jun. 2026 was 135.02.

Inventory Turnover measures how fast the company turns over its inventory within a year. Wafer Works's Inventory Turnover for the quarter that ended in Jun. 2026 was 0.68.

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. Wafer Works's Inventory-to-Revenue for the quarter that ended in Jun. 2026 was 1.14.


Wafer Works  (ROCO:6182) Change In Inventory Explanation

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

Wafer Works's Days Inventory for the quarter that ended in is calculated as:

Days Inventory=Average Total Inventories/Cost of Goods Sold*Days in Period
=3104.683/2098.229*365 / 4
=135.02

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

Wafer Works's Inventory Turnover for the quarter that ended in Jun. 2026 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.

Wafer Works's Inventory to Revenue for the quarter that ended in Jun. 2026 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.


Wafer Works Change In Inventory Related Terms


Wafer Works Change In Inventory Historical Data

* Premium members only.

The historical data trend for Wafer Works'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.

Wafer Works Change In Inventory Chart

Wafer Works 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 -55.85 -729.61 310.05 23.25 -243.44

Wafer Works Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 190.59 -130.04 -379.14 -95.79 -18.80
ROCO:6182
60GF Score
Wafer Works Corp ROCO:6182
Change In Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Wafer Works 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 Jun. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was NT$-624 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$-624 Mil mean?
Wafer Works (ROCO:6182) has a Change In Inventory of NT$-624 Mil as of Jun. 2026. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for Wafer Works and its competitors.
Is Wafer Works' Change In Inventory too high?
Wafer Works' current Change In Inventory is NT$-624 Mil. Overall, Wafer Works has a GF Score™ of 60/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Wafer Works' Change In Inventory compare to LRCX and AMAT?
Wafer Works' Change In Inventory of NT$-624 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 Wafer Works and its competitors. Wafer Works's current Change In Inventory is NT$-624 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Wafer Works stock overvalued right now?
Based on GuruFocus' analysis, Wafer Works (ROCO:6182) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$32.58, compared to a current price of NT$110.50 — trading 239.2% above its estimated fair value. The current Change In Inventory is NT$-624 Mil. Wafer Works' overall GF Score™ is 60/100 with 8 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 Wafer Works (ROCO:6182), the current Change In Inventory is NT$-624 Mil as of Jun. 2026. 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 Wafer Works (ROCO:6182) Overvalued in 2026?

Based on GuruFocus' analysis, Wafer Works stock appears to be overvalued. The current stock price of NT$110.50 is trading 239.2% above its estimated GF Value™ of NT$32.58. GuruFocus considers Wafer Works to be Significantly Overvalued.

Key valuation signals for ROCO:6182:

  • Change In Inventory: NT$-624 Mil
  • GF Value™: NT$32.58 vs. price of NT$110.50 (239.2% above fair value)
  • GF Score™: 60/100 with 8 warning signs

No single metric tells the full story. See the ROCO:6182 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Wafer Works Business Description

Address No. 100, Longyuan 1st Road, Longtan Science Park, Taoyuan, TWN, 32542
Wafer Works Corp is a Taiwan-based company principally engaged in the R&D, design, manufacturing, and sales of semiconductor materials; the technique consulting business, service business, and trading for the above items. Its customized silicon wafer services are Polished wafers, Leijingjingyuan, SOI wafers, Gallium nitride epitaxial wafers, and Custom wafers. Its geographical segments include Taiwan, China (including Hong Kong), the United States, and Other countries. It generates the majority of its revenue from Taiwan. The Group's revenue is derived from the manufacture and sale of semiconductor wafers.
60GF Score

Get the complete analysis for ROCO:6182

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

NT$110.50
Price
NT$32.58
GF Value