FeedBack Tech (ROCO:8091) Other Operating Expense: NT$0 Mil (TTM As of Mar. 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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
68 GF Score
Price NT$230.00
GF Value NT$141.33
Valuation Significantly Overvalued
! 5 Warning Signs
View Full Analysis

What is FeedBack Tech Other Operating Expense?

FeedBack Tech ROCO:8091 -1.29% 68 Other Operating Expense is NT$0 Mil as of Mar. 2026. GuruFocus rates ROCO:8091 with a GF Score™ of 68/100 and a GF Value™ of NT$141.33 (Significantly Overvalued). The stock has 5 warning signs investors should review.

FeedBack Tech's Other Operating Expense for the three months ended in Mar. 2026 was NT$-0 Mil. Its Other Operating Expense for the trailing twelve months (TTM) ended in Mar. 2026 was NT$0 Mil.

FeedBack Tech's quarterly Other Operating Expense increased from Sep. 2025 (NT$-0 Mil) to Dec. 2025 (NT$0 Mil) but then declined from Dec. 2025 (NT$0 Mil) to Mar. 2026 (NT$-0 Mil).

FeedBack Tech's annual Other Operating Expense increased from Dec. 2023 (NT$-0 Mil) to Dec. 2024 (NT$0 Mil) but then stayed the same from Dec. 2024 (NT$0 Mil) to Dec. 2025 (NT$0 Mil).


FeedBack Tech Other Operating Expense Historical Data

* Premium members only.

The historical data trend for FeedBack Tech's Other Operating Expense 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 Other Operating Expense Chart

FeedBack Tech Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Other Operating Expense
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 -0.00 0.00 0.00

FeedBack Tech Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Other Operating Expense 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 -0.00 0.00 -0.00 0.00 -0.00
ROCO:8091
68GF Score
FeedBack Tech Corp ROCO:8091
Other Operating Expense is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

FeedBack Tech Other Operating Expense Calculation

GuruFocus uses a standardized financial statement format for all companies. For non-financial companies, GuruFocus lists Selling, General, & Admin. Expense, , Research & Development, and Other Operating Expense under the "Total Operating Expense" section.

Other Operating Expense sometimes includes:
Restructuring, and merger
Acquisition related and other
Litigation settlement charge
Other (too numerous to list)

Some companies can and do choose to report each of these items separately. Yet, there are a variety of Other Operating Expense which are simply too numerous to list.

Other Operating Expense for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was NT$0 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.

What does a Other Operating Expense of NT$0 Mil mean?
FeedBack Tech (ROCO:8091) has a Other Operating Expense of NT$0 Mil as of Mar. 2026. Other operating expenses that a company records on its income statement. View historical data on FeedBack Tech and its competitors.
Is FeedBack Tech's Other Operating Expense too high?
FeedBack Tech's current Other Operating Expense is NT$0 Mil. Overall, FeedBack Tech has a GF Score™ of 68/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does FeedBack Tech's Other Operating Expense compare to NVDA and AVGO?
FeedBack Tech's Other Operating Expense of NT$0 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 Other Operating Expense for a Semiconductors company?
A good Other Operating Expense depends on the Semiconductors industry context. However, Other Operating Expense 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 Other Operating Expense mean?
A high Other Operating Expense can signal that a stock is expensive relative to its fundamentals. Other operating expenses that a company records on its income statement. View historical data on FeedBack Tech and its competitors. FeedBack Tech's current Other Operating Expense is NT$0 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$141.33, compared to a current price of NT$230.00 — trading 62.7% above its estimated fair value. The current Other Operating Expense is NT$0 Mil. FeedBack Tech's overall GF Score™ is 68/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Other Operating Expense calculated?
Other Operating Expense is calculated from a company's financial statements. For FeedBack Tech (ROCO:8091), the current Other Operating Expense is NT$0 Mil as of Mar. 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$230.00 is trading 62.7% above its estimated GF Value™ of NT$141.33. GuruFocus considers FeedBack Tech to be Significantly Overvalued.

Key valuation signals for ROCO:8091:

  • Other Operating Expense: NT$0 Mil
  • GF Value™: NT$141.33 vs. price of NT$230.00 (62.7% above fair value)
  • GF Score™: 68/100 with 5 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.
68GF Score

Get the complete analysis for ROCO:8091

Other Operating Expense is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$230.00
Price
NT$141.33
GF Value