Fulltech Fiber Glass (ROCO:1815) FCF Yield %: -3.16 (As of Aug. 22, 2026)

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ROCO:1815 Fulltech Fiber Glass Corp ROCO:1815
60 GF Score
Price NT$112.00
GF Value NT$46.77
Valuation Significantly Overvalued
! 3 Warning Signs
View Full Analysis

What is Fulltech Fiber Glass FCF Yield %?

Fulltech Fiber Glass ROCO:1815 +4.67% 60 FCF Yield % is -3.16 as of Aug. 22, 2026. GuruFocus rates ROCO:1815 with a GF Score™ of 60/100 and a GF Value™ of NT$46.77 (Significantly Overvalued). The stock has 3 warning signs investors should review. Among 2,497 Hardware companies, Fulltech Fiber Glass ranks worse than 68.96% on this metric.

FCF Yield % is calculated as Free Cash Flow divided by Market Capitalization. It is a financial solvency ratio that compares the free cash flow a company is expected to earn against its market value.

As of today, Fulltech Fiber Glass's Trailing 12-Month Free Cash Flow is NT$-2,072 Mil, and Market Cap is NT$65,504 Mil. Therefore, Fulltech Fiber Glass's FCF Yield % for today is -3.16%.

The historical rank and industry rank for Fulltech Fiber Glass's FCF Yield % or its related term are showing as below:

ROCO:1815' s FCF Yield % Range Over the Past 10 Years
Min: -24.79   Med: -3.54   Max: 27.54
Current: -3.16


During the past 13 years, the highest FCF Yield % of Fulltech Fiber Glass was 27.54%. The lowest was -24.79%. And the median was -3.54%.

ROCO:1815's FCF Yield % is ranked worse than
68.96% of 2497 companies
in the Hardware industry
Industry Median: -0.11 vs ROCO:1815: -3.16

Fulltech Fiber Glass's FCF Margin % for the quarter that ended in Jun. 2026 was -20.15%.


Fulltech Fiber Glass FCF Yield % Explanation

Similar to Earnings Yield %, FCF Yield % is financial solvency ratio. A lower ratio suggests a less attractive investment, indicating that investors might not receive substantial returns in proportion to their investment. Conversely, a high free cash flow yield signals that a company generates sufficient cash to comfortably meet its debts, obligations, and dividend payments, making it a promising investment choice.


Fulltech Fiber Glass FCF Yield % Related Terms


Fulltech Fiber Glass FCF Yield % Historical Data

* Premium members only.

The historical data trend for Fulltech Fiber Glass's FCF Yield % 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.

Fulltech Fiber Glass FCF Yield % Chart

Fulltech Fiber Glass Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
FCF Yield %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 12.48 23.69 -7.84 -7.43 -3.12

Fulltech Fiber Glass Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
FCF Yield % 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 -1.34 -6.47 -3.94 -3.93 -2.65

ROCO:1815 vs APH, GLW, TEL: FCF Yield % Comparison

For the Electronic Components subindustry, Fulltech Fiber Glass's FCF Yield %, along with its competitors' market caps and FCF Yield % 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.


Fulltech Fiber Glass FCF Yield % vs Hardware Industry

For the Hardware industry and Technology sector, Fulltech Fiber Glass's FCF Yield % distribution charts can be found below:

* The bar in red indicates where Fulltech Fiber Glass's FCF Yield % falls into.


ROCO:1815
60GF Score
Fulltech Fiber Glass Corp ROCO:1815
FCF Yield % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Fulltech Fiber Glass FCF Yield % Calculation

FCF Yield % is a financial solvency ratio that compares the free cash flow a company is expected to earn against its market value.

Fulltech Fiber Glass's FCF Yield % for the fiscal year that ended in Dec. 2025 is calculated as

FCF Yield %=Free Cash Flow / Market Cap
=-1708.97 / 54777.6768
=-3.12%

Fulltech Fiber Glass's annualized FCF Yield % for the quarter that ended in Jun. 2026 is calculated as

FCF Yield %=Free Cash Flow * Annualized Factor / Market Cap
=-429.54 * 4 / 64921.569
=-2.65%

* 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 Yield % →
What does a FCF Yield % of -3.16 mean?
Fulltech Fiber Glass (ROCO:1815) has a FCF Yield % of -3.16 as of Aug. 22, 2026. FCF Yield is calculated as Free Cash Flow divided by Market Capitalization. View historical data on Fulltech Fiber Glass and its competitors. According to the industry distribution chart, Fulltech Fiber Glass ranks #1722 out of 2497 companies in the Hardware industry, placing it in the top 69%.
Is Fulltech Fiber Glass' FCF Yield % too high?
Fulltech Fiber Glass' current FCF Yield % is -3.16. Based on the distribution chart, Fulltech Fiber Glass ranks #1722 out of 2497 companies in the Hardware industry, which is below the industry midpoint. Overall, Fulltech Fiber Glass has a GF Score™ of 60/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Fulltech Fiber Glass' FCF Yield % compare to APH and GLW?
According to the Hardware industry distribution chart, Fulltech Fiber Glass ranks #1722 out of 2497 companies for FCF Yield %. This places Fulltech Fiber Glass in the lower half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Yield % for a Hardware company?
A good FCF Yield % depends on the Hardware industry context. However, FCF Yield % 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 Yield % mean?
A high FCF Yield % can signal that a stock is expensive relative to its fundamentals. FCF Yield is calculated as Free Cash Flow divided by Market Capitalization. View historical data on Fulltech Fiber Glass and its competitors. Fulltech Fiber Glass's current FCF Yield % is -3.16. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Fulltech Fiber Glass stock overvalued right now?
Based on GuruFocus' analysis, Fulltech Fiber Glass (ROCO:1815) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$46.77, compared to a current price of NT$112.00 — trading 139.5% above its estimated fair value. The current FCF Yield % is -3.16. Fulltech Fiber Glass' overall GF Score™ is 60/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Yield % calculated?
FCF Yield % is calculated from a company's financial statements. For Fulltech Fiber Glass (ROCO:1815), the current FCF Yield % is -3.16 as of Aug. 22, 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 Fulltech Fiber Glass (ROCO:1815) Overvalued in 2026?

Based on GuruFocus' analysis, Fulltech Fiber Glass stock appears to be overvalued. The current stock price of NT$112.00 is trading 139.5% above its estimated GF Value™ of NT$46.77. GuruFocus considers Fulltech Fiber Glass to be Significantly Overvalued.

Key valuation signals for ROCO:1815:

  • FCF Yield %: -3.16
  • GF Value™: NT$46.77 vs. price of NT$112.00 (139.5% above fair value)
  • GF Score™: 60/100 with 3 warning signs

No single metric tells the full story. See the ROCO:1815 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Fulltech Fiber Glass Business Description

Address No. 8, Dougong 16th Road, Yunlin County, Douliu, TWN
Fulltech Fiber Glass Corp is engaged in producing and selling fiberglass yarn and fiberglass fabric, which are the main upstream materials for Printed Circuit Boards. The reportable segments of the company are the Fiberglass Yarn and the Fiberglass Fabric segment. Geographically, the company generates a majority of its revenue from Taiwan and the rest from China.
60GF Score

Get the complete analysis for ROCO:1815

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

NT$112.00
Price
NT$46.77
GF Value