LuxNet (ROCO:4979) Total Operating Expense: NT$184 Mil (TTM As of Dec. 2025)

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:4979 LuxNet Corp ROCO:4979
61 GF Score
Price NT$410.00
GF Value NT$261.95
Valuation Significantly Overvalued
! 1 Warning Sign
View Full Analysis

What is LuxNet Total Operating Expense?

LuxNet ROCO:4979 +1.74% 61 Total Operating Expense is NT$184 Mil as of Dec. 2025. GuruFocus rates ROCO:4979 with a GF Score™ of 61/100 and a GF Value™ of NT$261.95 (Significantly Overvalued). The stock has 1 warning sign investors should review.

LuxNet's Total Operating Expense for the three months ended in Dec. 2025 was NT$51 Mil. LuxNet's Total Operating Expense for the trailing twelve months (TTM) ended in Dec. 2025 was NT$184 Mil.

LuxNet Total Operating Expense Related Terms

LuxNet Total Operating Expense Historical Data

* Premium members only.

The historical data trend for LuxNet's Total 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.

LuxNet Total Operating Expense Chart

LuxNet Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Total Operating Expense
Get a 7-Day Free Trial Premium Member Only Premium Member Only 188.24 127.96 130.78 146.89 183.51

LuxNet Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Total 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 43.08 42.50 38.16 51.98 50.87
ROCO:4979
61GF Score
LuxNet Corp ROCO:4979
Total Operating Expense is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

LuxNet Total Operating Expense Calculation

Total Operating Expense is the primary recurring expense associated with central operations that are incurred in order to generate sales.


Total Operating Expense for the trailing twelve months (TTM) ended in Dec. 2025 adds up the quarterly data reported by the company within the most recent 12 months, which was NT$184 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 Total Operating Expense of NT$184 Mil mean?
LuxNet (ROCO:4979) has a Total Operating Expense of NT$184 Mil as of Dec. 2025. Total operating expense is the primary recurring expense associated with central operations. View historical data on LuxNet and its competitors.
Is LuxNet's Total Operating Expense too high?
LuxNet's current Total Operating Expense is NT$184 Mil. Overall, LuxNet has a GF Score™ of 61/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does LuxNet's Total Operating Expense compare to NVDA and AVGO?
LuxNet's Total Operating Expense of NT$184 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 Total Operating Expense for a Semiconductors company?
A good Total Operating Expense depends on the Semiconductors industry context. However, Total 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 Total Operating Expense mean?
A high Total Operating Expense can signal that a stock is expensive relative to its fundamentals. Total operating expense is the primary recurring expense associated with central operations. View historical data on LuxNet and its competitors. LuxNet's current Total Operating Expense is NT$184 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is LuxNet stock overvalued right now?
Based on GuruFocus' analysis, LuxNet (ROCO:4979) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$261.95, compared to a current price of NT$410.00 — trading 56.5% above its estimated fair value. The current Total Operating Expense is NT$184 Mil. LuxNet's overall GF Score™ is 61/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Total Operating Expense calculated?
Total Operating Expense is calculated from a company's financial statements. For LuxNet (ROCO:4979), the current Total Operating Expense is NT$184 Mil as of Dec. 2025. 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 LuxNet (ROCO:4979) Overvalued in 2026?

Based on GuruFocus' analysis, LuxNet stock appears to be overvalued. The current stock price of NT$410.00 is trading 56.5% above its estimated GF Value™ of NT$261.95. GuruFocus considers LuxNet to be Significantly Overvalued.

Key valuation signals for ROCO:4979:

  • Total Operating Expense: NT$184 Mil
  • GF Value™: NT$261.95 vs. price of NT$410.00 (56.5% above fair value)
  • GF Score™: 61/100 with 1 warning sign

No single metric tells the full story. See the ROCO:4979 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

LuxNet Business Description

Address No. 6, Hejiang Road, Zhongli District, Taoyuan, TWN, 32061
LuxNet Corp is engaged in the manufacturing, processing and sale of electronic components and active components for optical communication and the retail sale of electronic materials. Its products include CHIP, TO-CAN and OPTICAL SUB-ASSEMBLY, and its main product is active components for optical communication and modules. It also provides OEM services including Contract Manufacturing Service, Module Manufacturing Service and Optical Engine Manufacturing Service. The Group's revenues are mainly from active components for optical communication and are recognized when control of the goods is transferred to the customer. It operates in Taiwan, China, North America and other regions, with North America generating maximum revenue.
61GF Score

Get the complete analysis for ROCO:4979

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

NT$410.00
Price
NT$261.95
GF Value