G-Tech Optoelectronics (TPE:3149) FCF Margin %: -40.77% (As of Dec. 2025)

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TPE:3149 G-Tech Optoelectronics Corp TPE:3149
51 GF Score
Price NT$87.30
GF Value NT$21.98
Valuation Significantly Overvalued
! 6 Warning Signs
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What is G-Tech Optoelectronics FCF Margin %?

G-Tech Optoelectronics TPE:3149 -5.42% 51 FCF Margin % is -40.77% as of Dec. 2025. GuruFocus rates TPE:3149 with a GF Score™ of 51/100 and a GF Value™ of NT$21.98 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 2,477 Hardware companies, G-Tech Optoelectronics ranks worse than 90.39% on this metric.

FCF Margin % is calculated as Free Cash Flow divided by its Revenue. G-Tech Optoelectronics's Free Cash Flow for the three months ended in Dec. 2025 was NT$-267 Mil. G-Tech Optoelectronics's Revenue for the three months ended in Dec. 2025 was NT$654 Mil. Therefore, G-Tech Optoelectronics's FCF Margin % for the quarter that ended in Dec. 2025 was -40.77%.

As of today, G-Tech Optoelectronics's current FCF Yield % is -3.85%.

The historical rank and industry rank for G-Tech Optoelectronics's FCF Margin % or its related term are showing as below:

TPE:3149' s FCF Margin % Range Over the Past 10 Years
Min: -33.27   Med: -2.22   Max: 8.7
Current: -33.27


During the past 13 years, the highest FCF Margin % of G-Tech Optoelectronics was 8.70%. The lowest was -33.27%. And the median was -2.22%.

TPE:3149's FCF Margin % is ranked worse than
90.39% of 2477 companies
in the Hardware industry
Industry Median: 0.63 vs TPE:3149: -33.27


G-Tech Optoelectronics FCF Margin % Related Terms


G-Tech Optoelectronics FCF Margin % Historical Data

* Premium members only.

The historical data trend for G-Tech Optoelectronics's FCF Margin % 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.

G-Tech Optoelectronics FCF Margin % Chart

G-Tech Optoelectronics Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
FCF Margin %
Get a 7-Day Free Trial Premium Member Only Premium Member Only -1.41 -2.22 -0.98 -4.14 -33.27

G-Tech Optoelectronics Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
FCF Margin % 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 -5.87 -44.77 -20.95 -27.63 -40.77

TPE:3149 vs APH, GLW: FCF Margin % Comparison

For the Electronic Components subindustry, G-Tech Optoelectronics's FCF Margin %, along with its competitors' market caps and FCF Margin % data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


G-Tech Optoelectronics FCF Margin % vs Hardware Industry

For the Hardware industry and Technology sector, G-Tech Optoelectronics's FCF Margin % distribution charts can be found below:

* The bar in red indicates where G-Tech Optoelectronics's FCF Margin % falls into.


TPE:3149
51GF Score
G-Tech Optoelectronics Corp TPE:3149
FCF Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

G-Tech Optoelectronics FCF Margin % Calculation

FCF margin is the ratio of Free Cash Flow divided by net sales or Revenue, usually presented in percent.

G-Tech Optoelectronics's FCF Margin for the fiscal year that ended in Dec. 2025 is calculated as

FCF Margin=Free Cash Flow (A: Dec. 2025 )/Revenue (A: Dec. 2025 )
=-759.483/2282.748
=-33.27 %

G-Tech Optoelectronics's FCF Margin for the quarter that ended in Dec. 2025 is calculated as

FCF Margin=Free Cash Flow (Q: Dec. 2025 )/Revenue (Q: Dec. 2025 )
=-266.673/654.146
=-40.77 %

* 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 FCF Margin % →
What does a FCF Margin % of -40.77% mean?
G-Tech Optoelectronics (TPE:3149) has a FCF Margin % of -40.77% as of Dec. 2025. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on G-Tech Optoelectronics and its competitors. According to the industry distribution chart, G-Tech Optoelectronics ranks #2239 out of 2477 companies in the Hardware industry, placing it in the top 90.4%.
Is G-Tech Optoelectronics' FCF Margin % too high?
G-Tech Optoelectronics' current FCF Margin % is -40.77%. Based on the distribution chart, G-Tech Optoelectronics ranks #2239 out of 2477 companies in the Hardware industry, which is in the bottom quartile relative to peers. Overall, G-Tech Optoelectronics has a GF Score™ of 51/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does G-Tech Optoelectronics' FCF Margin % compare to APH and GLW?
According to the Hardware industry distribution chart, G-Tech Optoelectronics ranks #2239 out of 2477 companies for FCF Margin %. This places G-Tech Optoelectronics in the lower half of its industry. The industry median FCF Margin % is 0.63. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Margin % for a Hardware company?
The median FCF Margin % among Hardware companies is 0.63, based on 2,477 companies in the industry. Companies in the top quartile (top 25%) have a FCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, FCF Margin % 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 FCF Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on G-Tech Optoelectronics and its competitors. For the Hardware industry, the median FCF Margin % is 0.63 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. G-Tech Optoelectronics's current FCF Margin % is -40.77%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is G-Tech Optoelectronics stock overvalued right now?
Based on GuruFocus' analysis, G-Tech Optoelectronics (TPE:3149) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$21.98, compared to a current price of NT$87.30 — trading 297.2% above its estimated fair value. The current FCF Margin % is -40.77%. G-Tech Optoelectronics' overall GF Score™ is 51/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For G-Tech Optoelectronics (TPE:3149), the current FCF Margin % is -40.77% 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 G-Tech Optoelectronics (TPE:3149) Overvalued in 2026?

Based on GuruFocus' analysis, G-Tech Optoelectronics stock appears to be overvalued. The current stock price of NT$87.30 is trading 297.2% above its estimated GF Value™ of NT$21.98. GuruFocus considers G-Tech Optoelectronics to be Significantly Overvalued.

Key valuation signals for TPE:3149:

  • FCF Margin %: -40.77%
  • GF Value™: NT$21.98 vs. price of NT$87.30 (297.2% above fair value)
  • GF Score™: 51/100 with 6 warning signs

No single metric tells the full story. See the TPE:3149 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


G-Tech Optoelectronics Business Description

Address No. 99, Zhongxing Road, Tongluo Township, Miaoli, TWN, 36647
G-Tech Optoelectronics Corp operates in an optoelectronic glass processing market. The company manufactures and markets optical glass products and electronic components. The segments of the company are Smart optoelectronics, that is revenue-generating segment; Smart buildings, and Smart cars. The Smart optoelectronics is in charge of designing, manufacturing, and selling general consumer electronics vehicle glass as well as protective touch control glass for industrial control computers.
51GF Score

Get the complete analysis for TPE:3149

FCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$87.30
Price
NT$21.98
GF Value