FeedBack Tech (ROCO:8091) Change In Inventory: NT$-94 Mil (TTM As of Jun. 2026)

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Vera Yuan
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Director of Data and Quant Analytics at GuruFocus
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Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

ROCO:8091 FeedBack Tech Corp ROCO:8091
72 GF Score
Price NT$215.00
GF Value NT$158.12
Valuation Significantly Overvalued
! 3 Warning Signs
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What is FeedBack Tech Change In Inventory?

FeedBack Tech ROCO:8091 -0.46% 72 Change In Inventory is NT$-94 Mil as of Jun. 2026. GuruFocus rates ROCO:8091 with a GF Score™ of 72/100 and a GF Value™ of NT$158.12 (Significantly Overvalued). The stock has 3 warning signs investors should review.

FeedBack Tech's change in inventory for the quarter that ended in Jun. 2026 was NT$-67 Mil. It means FeedBack Tech's inventory increased by NT$67 Mil from Mar. 2026 to Jun. 2026 .

FeedBack Tech's change in inventory for the fiscal year that ended in Dec. 2025 was NT$39 Mil. It means FeedBack Tech's inventory declined by NT$39 Mil from Dec. 2024 to Dec. 2025 .

FeedBack Tech's Total Inventories for the quarter that ended in Jun. 2026 was NT$659 Mil.

Days Inventory indicates the number of days of goods in sales that a company has in the inventory. FeedBack Tech's Days Inventory for the quarter that ended in Jun. 2026 was 99.64.

Inventory Turnover measures how fast the company turns over its inventory within a year. FeedBack Tech's Inventory Turnover for the quarter that ended in Jun. 2026 was 0.92.

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. FeedBack Tech's Inventory-to-Revenue for the quarter that ended in Jun. 2026 was 0.70.


FeedBack Tech  (ROCO:8091) Change In Inventory Explanation

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

FeedBack Tech's Days Inventory for the quarter that ended in is calculated as:

Days Inventory=Average Total Inventories/Cost of Goods Sold*Days in Period
=626.8475/574.037*365 / 4
=99.64

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

FeedBack Tech'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.

FeedBack Tech'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.


FeedBack Tech Change In Inventory Related Terms


FeedBack Tech Change In Inventory Historical Data

* Premium members only.

The historical data trend for FeedBack Tech'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.

FeedBack Tech Change In Inventory Chart

FeedBack Tech 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 -48.71 -74.29 -63.27 -39.93 39.15

FeedBack Tech 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 35.53 -3.49 21.51 -44.37 -67.42
ROCO:8091
72GF Score
FeedBack Tech Corp ROCO:8091
Change In Inventory is just one metric. See GF Score™, valuation, warning signs, and more.
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FeedBack Tech 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$-94 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$-94 Mil mean?
FeedBack Tech (ROCO:8091) has a Change In Inventory of NT$-94 Mil as of Jun. 2026. Change in Inventory is the difference between current-period inventory and past-period inventory. View historical data for FeedBack Tech and its competitors.
Is FeedBack Tech's Change In Inventory too high?
FeedBack Tech's current Change In Inventory is NT$-94 Mil. Overall, FeedBack Tech has a GF Score™ of 72/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does FeedBack Tech's Change In Inventory compare to NVDA and AVGO?
FeedBack Tech's Change In Inventory of NT$-94 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 FeedBack Tech and its competitors. FeedBack Tech's current Change In Inventory is NT$-94 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is FeedBack Tech stock overvalued right now?
Based on GuruFocus' analysis, FeedBack Tech (ROCO:8091) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$158.12, compared to a current price of NT$215.00 — trading 36% above its estimated fair value. The current Change In Inventory is NT$-94 Mil. FeedBack Tech's overall GF Score™ is 72/100 with 3 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 FeedBack Tech (ROCO:8091), the current Change In Inventory is NT$-94 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 FeedBack Tech (ROCO:8091) Overvalued in 2026?

Based on GuruFocus' analysis, FeedBack Tech stock appears to be overvalued. The current stock price of NT$215.00 is trading 36% above its estimated GF Value™ of NT$158.12. GuruFocus considers FeedBack Tech to be Significantly Overvalued.

Key valuation signals for ROCO:8091:

  • Change In Inventory: NT$-94 Mil
  • GF Value™: NT$158.12 vs. price of NT$215.00 (36% above fair value)
  • GF Score™: 72/100 with 3 warning signs

No single metric tells the full story. See the ROCO:8091 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


FeedBack Tech Business Description

Address Number 221, Nioupu South Road, Xiangshan District, Hsinchu, TWN, 30091
FeedBack Tech Corp is a Taiwan-based company engaged in the manufacture of semiconductor key components. The company offers ion implanters, vacuum equipment, byproduct solutions, and metal-organic vapor phase epitaxies. It also engaged in the trading of electronic machinery and parts. Its products include turbo pumps, welded bellows, source bushing, and gauge controllers.
72GF Score

Get the complete analysis for ROCO:8091

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

NT$215.00
Price
NT$158.12
GF Value