Fulltech Fiber Glass (ROCO:1815) Net Debt Paydown Yield % : 0.21% (As of Jul. 20, 2026) — 11% Above Median

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ROCO:1815 Fulltech Fiber Glass Corp ROCO:1815
61 GF Score
Price NT$81.50
GF Value NT$35.99
Valuation Significantly Overvalued
! 1 Warning Sign
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What is Fulltech Fiber Glass Net Debt Paydown Yield %?

Fulltech Fiber Glass ROCO:1815 -8.53% 61 Net Debt Paydown Yield % is 0.21% as of Jul. 20, 2026, which is 11% above its 10-year median of 0.19. GuruFocus rates ROCO:1815 with a GF Score™ of 61/100 and a GF Value™ of NT$35.99 (Significantly Overvalued). The stock has 1 warning sign investors should review. Among 2,353 Hardware companies, Fulltech Fiber Glass ranks better than 59.54% on this metric.

Net Debt Paydown Yield % is a metric that evaluates the total amount of debt a company has paid in relation to its market capitalization. It is a measure of a company's willingness and ability to reduce its debt. As of today, Fulltech Fiber Glass's Net Debt Paydown Yield % was 0.21%.


Fulltech Fiber Glass  (ROCO:1815) Net Debt Paydown Yield % Explanation

Net Debt Paydown Yield % is the change in average of four quarters of company's total debt over a company's market cap. Assuming the total value of a company remains that same, shareholder value is increased as debt is reduced. In other words, it is a measure of the willingness and ability of a firm's management to pay down debt. Companies that have high debt paydown yields indicate that they are more aggressive with paying down debt.

In the calculation of Net Debt Paydown Yield %, we use the reductions of TTM average total debt one-year-ago and TTM average total debt at present, divided by its Market Cap.

We calculating the TTM average debt by adding up the total debt, calculated by the sum of Short-Term Debt & Capital Lease Obligation and Long-Term Debt & Capital Lease Obligation, in the trailing twelve months(TTM) divided by the counts of the total debt, accoring to the company's report frequency.


Fulltech Fiber Glass Net Debt Paydown Yield % Related Terms


Fulltech Fiber Glass Net Debt Paydown Yield % Historical Data

* Premium members only.

The historical data trend for Fulltech Fiber Glass's Net Debt Paydown 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 Net Debt Paydown Yield % Chart

Fulltech Fiber Glass Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Net Debt Paydown Yield %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 2.66 13.41 -1.13 -1.68 0.19

Fulltech Fiber Glass Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Net Debt Paydown 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 -1.68 -2.22 -2.04 -0.99 0.19

ROCO:1815 vs APH, GLW: Net Debt Paydown Yield % Comparison

For the Electronic Components subindustry, Fulltech Fiber Glass's Net Debt Paydown Yield %, along with its competitors' market caps and Net Debt Paydown 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 Net Debt Paydown Yield % vs Hardware Industry

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

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


ROCO:1815
61GF Score
Fulltech Fiber Glass Corp ROCO:1815
Net Debt Paydown Yield % is just one metric. See GF Score™, valuation, warning signs, and more.
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Fulltech Fiber Glass Net Debt Paydown Yield % Calculation

Fulltech Fiber Glass's Net Debt Paydown Yield % for the quarter that ended in Dec. 2025 is calculated as:

Net Debt Paydown Yield %
=( TTM Average Debt   (1-Year Ago))-TTM Average Debt )/Market Cap
=( 6316.9-6214.41 )/54777.6768
=0.19 %

* 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.

* All the data are calculated by TTM values. Note that if a companies is traded in several exchanges, then we calculate the company level data for Net Debt Paydown Yield % using the primary share class stock data. The calculation result in definition page is for demonstration purpose only, and it's showing the share class level data. Therefore, the numbers in the calculation may differ from elsewhere if the stock is not a primary share.

What does a Net Debt Paydown Yield % of 0.21% mean?
Fulltech Fiber Glass (ROCO:1815) has a Net Debt Paydown Yield % of 0.21% as of Jul. 20, 2026. Net Debt Paydown Yield is a metric that evaluates the total amount of debt a company has paid in relation to its market capitalization. This metric provides insight into a company's willingness and ability to reduce its debt using free cash flow. View historical data on Fulltech Fiber Glass and its competitors. This is 11% above median its historical median of 0.19. According to the industry distribution chart, Fulltech Fiber Glass ranks #952 out of 2353 companies in the Hardware industry, placing it in the top 40.5%.
Is Fulltech Fiber Glass' Net Debt Paydown Yield % too high?
Fulltech Fiber Glass' current Net Debt Paydown Yield % of 0.21% is 11% above median its 10-year median of 0.19. Based on the distribution chart, Fulltech Fiber Glass ranks #952 out of 2353 companies in the Hardware industry, which is above the industry midpoint. Overall, Fulltech Fiber Glass has a GF Score™ of 61/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Fulltech Fiber Glass' Net Debt Paydown Yield % compare to APH and GLW?
According to the Hardware industry distribution chart, Fulltech Fiber Glass ranks #952 out of 2353 companies for Net Debt Paydown Yield %. This puts Fulltech Fiber Glass in the upper 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 Net Debt Paydown Yield % for a Hardware company?
A good Net Debt Paydown Yield % depends on the Hardware industry context. However, Net Debt Paydown 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 Net Debt Paydown Yield % mean?
A high Net Debt Paydown Yield % can signal that a stock is expensive relative to its fundamentals. Net Debt Paydown Yield is a metric that evaluates the total amount of debt a company has paid in relation to its market capitalization. This metric provides insight into a company's willingness and ability to reduce its debt using free cash flow. View historical data on Fulltech Fiber Glass and its competitors. Fulltech Fiber Glass's current Net Debt Paydown Yield % is 0.21%, which is 11% above median its own 10-year median of 0.19. 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$35.99, compared to a current price of NT$81.50 — trading 126.5% above its estimated fair value. The current Net Debt Paydown Yield % is 0.21%, which is 11% above median its 10-year median of 0.19. Fulltech Fiber Glass' 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 Net Debt Paydown Yield % calculated?
Net Debt Paydown Yield % is calculated from a company's financial statements. For Fulltech Fiber Glass (ROCO:1815), the current Net Debt Paydown Yield % is 0.21% as of Jul. 20, 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$81.50 is trading 126.5% above its estimated GF Value™ of NT$35.99. GuruFocus considers Fulltech Fiber Glass to be Significantly Overvalued.

Key valuation signals for ROCO:1815:

  • Net Debt Paydown Yield %: 0.21% (11% above median its 10-year median of 0.19)
  • GF Value™: NT$35.99 vs. price of NT$81.50 (126.5% above fair value)
  • GF Score™: 61/100 with 1 warning sign

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.
61GF Score

Get the complete analysis for ROCO:1815

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

NT$81.50
Price
NT$35.99
GF Value