Good Will Instrument Co (TPE:2423) Change In Inventory: NT$-228 Mil (TTM As of Jun. 2026)

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TPE:2423 Good Will Instrument Co Ltd TPE:2423
75 GF Score
Price NT$73.40
GF Value NT$50.09
Valuation Significantly Overvalued
! 1 Warning Sign
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What is Good Will Instrument Co Change In Inventory?

Good Will Instrument Co TPE:2423 -2.91% 75 Change In Inventory is NT$-228 Mil as of Jun. 2026. GuruFocus rates TPE:2423 with a GF Score™ of 75/100 and a GF Value™ of NT$50.09 (Significantly Overvalued). The stock has 1 warning sign investors should review.

Good Will Instrument Co's change in inventory for the quarter that ended in Jun. 2026 was NT$-148 Mil. It means Good Will Instrument Co's inventory increased by NT$148 Mil from Mar. 2026 to Jun. 2026 .

Good Will Instrument Co's change in inventory for the fiscal year that ended in Dec. 2025 was NT$-192 Mil. It means Good Will Instrument Co's inventory increased by NT$192 Mil from Dec. 2024 to Dec. 2025 .

Good Will Instrument Co's Total Inventories for the quarter that ended in Jun. 2026 was NT$1,166 Mil.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. Good Will Instrument Co's Days Inventory for the quarter that ended in Jun. 2026 was 251.43.

Inventory Turnover measures how fast the company turns over its inventory within a year. Good Will Instrument Co's Inventory Turnover for the quarter that ended in Jun. 2026 was 0.36.

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. Good Will Instrument Co's Inventory-to-Revenue for the quarter that ended in Jun. 2026 was 1.23.

Good Will Instrument Co  (TPE:2423) Change In Inventory Explanation

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

Good Will Instrument Co's Days Inventory for the quarter that ended in is calculated as:

Days Inventory=Average Total Inventories/Cost of Goods Sold*Days in Period
=1092.38/396.449*365 / 4
=251.43

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

Good Will Instrument Co's Inventory Turnover for the quarter that ended in Jun. 2026 is calculated as

Inventory Turnover=Cost of Goods Sold / Average Total Inventories
=396.449 / 1092.38
=0.36

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.

Good Will Instrument Co's Inventory to Revenue for the quarter that ended in Jun. 2026 is calculated as

Inventory-to-Revenue=Average Total Inventories / Revenue
=1092.38 / 887.777
=1.23

* 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.

Good Will Instrument Co Change In Inventory Related Terms

Good Will Instrument Co Change In Inventory Historical Data

* Premium members only.

The historical data trend for Good Will Instrument Co'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.

Good Will Instrument Co Change In Inventory Chart

Good Will Instrument Co 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 -197.57 -336.76 177.37 175.21 -191.80

Good Will Instrument Co 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 -35.05 -121.14 57.68 -16.83 -148.01
TPE:2423
75GF Score
Good Will Instrument Co Ltd TPE:2423
Change In Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Good Will Instrument Co 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$-228 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$-228 Mil mean?
Good Will Instrument Co (TPE:2423) has a Change In Inventory of NT$-228 Mil as of Jun. 2026. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for Good Will Instrument Co and its competitors.
Is Good Will Instrument Co's Change In Inventory too high?
Good Will Instrument Co's current Change In Inventory is NT$-228 Mil. Overall, Good Will Instrument Co has a GF Score™ of 75/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Good Will Instrument Co's Change In Inventory compare to COHR and KEYS?
Good Will Instrument Co's Change In Inventory of NT$-228 Mil can be compared against companies in the Hardware 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 Hardware company?
A good Change In Inventory depends on the Hardware 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 Good Will Instrument Co and its competitors. Good Will Instrument Co's current Change In Inventory is NT$-228 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Good Will Instrument Co stock overvalued right now?
Based on GuruFocus' analysis, Good Will Instrument Co (TPE:2423) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$50.09, compared to a current price of NT$73.40 — trading 46.5% above its estimated fair value. The current Change In Inventory is NT$-228 Mil. Good Will Instrument Co's overall GF Score™ is 75/100 with 1 warning sign 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 Good Will Instrument Co (TPE:2423), the current Change In Inventory is NT$-228 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 Good Will Instrument Co (TPE:2423) Overvalued in 2026?

Based on GuruFocus' analysis, Good Will Instrument Co stock appears to be overvalued. The current stock price of NT$73.40 is trading 46.5% above its estimated GF Value™ of NT$50.09. GuruFocus considers Good Will Instrument Co to be Significantly Overvalued.

Key valuation signals for TPE:2423:

  • Change In Inventory: NT$-228 Mil
  • GF Value™: NT$50.09 vs. price of NT$73.40 (46.5% above fair value)
  • GF Score™: 75/100 with 1 warning sign

No single metric tells the full story. See the TPE:2423 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Good Will Instrument Co Business Description

Address Jhongsing Road, No. 7-1, Tucheng District, New Taipei City, TWN, 236
Good Will Instrument Co Ltd manufactures and sells electrical testing instruments, communication equipment, and related products. Its products include oscilloscopes, spectrum analyzers, signal sources, power supplies, public broadcasting and video monitoring systems, environmental testing equipment, constant temperature and humidity equipment, and vibration test equipment, among others. Geographically, the company generates a majority of its revenue from China and the rest from Japan, Taiwan, America, Europe, and other countries.
75GF Score

Get the complete analysis for TPE:2423

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

NT$73.40
Price
NT$50.09
GF Value