Zilltek Technology (ROCO:6679) Change In Inventory: NT$78 Mil (TTM As of Jun. 2026)

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ROCO:6679 Zilltek Technology Corp ROCO:6679
81 GF Score
Price NT$206.00
GF Value NT$301.86
Valuation Possible Value Trap
! 2 Warning Signs
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What is Zilltek Technology Change In Inventory?

Zilltek Technology ROCO:6679 -1.20% 81 Change In Inventory is NT$78 Mil as of Jun. 2026. GuruFocus rates ROCO:6679 with a GF Score™ of 81/100 and a GF Value™ of NT$301.86 (Possible Value Trap). The stock has 2 warning signs investors should review.

Zilltek Technology's change in inventory for the quarter that ended in Jun. 2026 was NT$-3 Mil. It means Zilltek Technology's inventory increased by NT$3 Mil from Mar. 2026 to Jun. 2026 .

Zilltek Technology's change in inventory for the fiscal year that ended in Dec. 2025 was NT$171 Mil. It means Zilltek Technology's inventory declined by NT$171 Mil from Dec. 2024 to Dec. 2025 .

Zilltek Technology's Total Inventories for the quarter that ended in Jun. 2026 was NT$759 Mil.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. Zilltek Technology's Days Inventory for the quarter that ended in Jun. 2026 was 255.84.

Inventory Turnover measures how fast the company turns over its inventory within a year. Zilltek Technology'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. Zilltek Technology's Inventory-to-Revenue for the quarter that ended in Jun. 2026 was 1.38.

Zilltek Technology  (ROCO:6679) Change In Inventory Explanation

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

Zilltek 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
=755.306/269.391*365 / 4
=255.84

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

Zilltek Technology's Inventory Turnover for the quarter that ended in Jun. 2026 is calculated as

Inventory Turnover=Cost of Goods Sold / Average Total Inventories
=269.391 / 755.306
=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.

Zilltek Technology's Inventory to Revenue for the quarter that ended in Jun. 2026 is calculated as

Inventory-to-Revenue=Average Total Inventories / Revenue
=755.306 / 547.167
=1.38

* 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.

Zilltek Technology Change In Inventory Related Terms

Zilltek Technology Change In Inventory Historical Data

* Premium members only.

The historical data trend for Zilltek 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.

Zilltek Technology Change In Inventory Chart

Zilltek 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 -151.49 -361.08 51.10 -71.20 171.27

Zilltek Technology 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 52.83 77.41 -7.19 10.93 -2.90
ROCO:6679
81GF Score
Zilltek Technology Corp ROCO:6679
Change In Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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Zilltek 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 Jun. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was NT$78 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$78 Mil mean?
Zilltek Technology (ROCO:6679) has a Change In Inventory of NT$78 Mil as of Jun. 2026. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for Zilltek Technology and its competitors.
Is Zilltek Technology's Change In Inventory too high?
Zilltek Technology's current Change In Inventory is NT$78 Mil. Overall, Zilltek Technology has a GF Score™ of 81/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Zilltek Technology's Change In Inventory compare to NVDA and AVGO?
Zilltek Technology's Change In Inventory of NT$78 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 Zilltek Technology and its competitors. Zilltek Technology's current Change In Inventory is NT$78 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Zilltek Technology stock overvalued right now?
Based on GuruFocus' analysis, Zilltek Technology (ROCO:6679) is currently considered Possible Value Trap. The stock's GF Value™ is NT$301.86, compared to a current price of NT$206.00 — trading 31.8% below its estimated fair value. The current Change In Inventory is NT$78 Mil. Zilltek Technology's overall GF Score™ is 81/100 with 2 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 Zilltek Technology (ROCO:6679), the current Change In Inventory is NT$78 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 Zilltek Technology (ROCO:6679) Overvalued in 2026?

Based on GuruFocus' analysis, Zilltek Technology stock appears to be undervalued. The current stock price of NT$206.00 is trading 31.8% below its estimated GF Value™ of NT$301.86. GuruFocus considers Zilltek Technology to be Possible Value Trap.

Key valuation signals for ROCO:6679:

  • Change In Inventory: NT$78 Mil
  • GF Value™: NT$301.86 vs. price of NT$206.00 (31.8% below fair value)
  • GF Score™: 81/100 with 2 warning signs

No single metric tells the full story. See the ROCO:6679 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Zilltek Technology Business Description

Address No. 6-1, Duxing Road, 5th Floor, Hsinchu Science Park, Hsinchu City, TWN, 30078
Zilltek Technology Corp engaged in the manufacturing of electronic components, buying/selling services, research and development, manufacturing, and sales of sensor and application chipsets. Company focuses on developing compact, energy-saving, and high-performance MEMS technologies to meet a variety of acoustic applications, including but not limited to laptops, TVs, tablets, smartphones, smart watches, smart speakers, drones, hearing aids, IoT devices, TWS headphones, sports equipment, and mobile infotainment systems. It operates in Taiwan, China and Other countries. Majority of revenue is from Taiwan.
81GF Score

Get the complete analysis for ROCO:6679

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

NT$206.00
Price
NT$301.86
GF Value