Fulltech Fiber Glass (ROCO:1815) Interest Expense: NT$-187 Mil (TTM As of Dec. 2025)


ROCO:1815 Fulltech Fiber Glass Corp ROCO:1815
61 GF Score
Price NT$95.00
GF Value NT$35.96
Valuation Significantly Overvalued
! 1 Warning Sign
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What is Fulltech Fiber Glass Interest Expense?

Fulltech Fiber Glass ROCO:1815 61 Interest Expense is NT$-187 Mil as of Dec. 2025. GuruFocus rates ROCO:1815 with a GF Score™ of 61/100 and a GF Value™ of NT$35.96 (Significantly Overvalued). The stock has 1 warning sign investors should review.

Interest Expense is the amount reported by a company or individual as an expense for borrowed money. Fulltech Fiber Glass's interest expense for the three months ended in Dec. 2025 was NT$ -51 Mil. Its interest expense for the trailing twelve months (TTM) ended in Dec. 2025 was NT$-187 Mil.

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income(EBIT) by its Interest Expense. Fulltech Fiber Glass's Operating Income for the three months ended in Dec. 2025 was NT$ 199 Mil. Fulltech Fiber Glass's Interest Expense for the three months ended in Dec. 2025 was NT$ -51 Mil. Fulltech Fiber Glass's Interest Coverage for the quarter that ended in Dec. 2025 was 3.92. The higher the ratio, the stronger the company's financial strength is. Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.

Fulltech Fiber Glass  (ROCO:1815) Interest Expense Explanation

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income (EBIT) by its Interest Expense. The higher, the better.

Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.

Fulltech Fiber Glass's Interest Expense for the three months ended in Dec. 2025 was NT$-51 Mil. Its Operating Income for the three months ended in Dec. 2025 was NT$199 Mil. And its Long-Term Debt & Capital Lease Obligation for the three months ended in Dec. 2025 was NT$3,400 Mil.

Fulltech Fiber Glass's Interest Coverage for the quarter that ended in Dec. 2025 is calculated as

Interest Coverage=-1* Operating Income (Q: Dec. 2025 )/Interest Expense (Q: Dec. 2025 )
=-1*199.411/-50.811
=3.92

* 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.

The higher the ratio, the stronger the company's financial strength is.

Fulltech Fiber Glass Interest Expense Historical Data

* Premium members only.

The historical data trend for Fulltech Fiber Glass's Interest 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.

Fulltech Fiber Glass Interest Expense Chart

Fulltech Fiber Glass Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Interest Expense
Get a 7-Day Free Trial Premium Member Only Premium Member Only -129.47 -141.34 -187.65 -200.26 -187.03

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
Interest 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 -52.54 -44.64 -44.92 -46.67 -50.81
ROCO:1815
61GF Score
Fulltech Fiber Glass Corp ROCO:1815
Interest Expense is just one metric. See GF Score™, valuation, warning signs, and more.
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Fulltech Fiber Glass Interest Expense Calculation

Interest Expense is the amount reported by a company or individual as an expense for borrowed money.

Interest 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$-187 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.

Frequently Asked Questions Learn more about Interest Expense →
What does a Interest Expense of NT$-187 Mil mean?
Fulltech Fiber Glass (ROCO:1815) has a Interest Expense of NT$-187 Mil as of Dec. 2025. Interest Expense is the amount a company pays on its long-term debt. View historical data on Fulltech Fiber Glass and its competitors.
Is Fulltech Fiber Glass' Interest Expense too high?
Fulltech Fiber Glass' current Interest Expense is NT$-187 Mil. Overall, Fulltech Fiber Glass has a GF Score™ of 61/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Fulltech Fiber Glass' Interest Expense compare to APH and GLW?
Fulltech Fiber Glass' Interest Expense of NT$-187 Mil can be compared against companies in the Hardware industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Interest Expense for a Hardware company?
A good Interest Expense depends on the Hardware industry context. However, Interest 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 Interest Expense mean?
A high Interest Expense can signal that a stock is expensive relative to its fundamentals. Interest Expense is the amount a company pays on its long-term debt. View historical data on Fulltech Fiber Glass and its competitors. Fulltech Fiber Glass's current Interest Expense is NT$-187 Mil. 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$35.96, compared to a current price of NT$95.00 — trading 164.2% above its estimated fair value. The current Interest Expense is NT$-187 Mil. 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 Interest Expense calculated?
Interest Expense is calculated from a company's financial statements. For Fulltech Fiber Glass (ROCO:1815), the current Interest Expense is NT$-187 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 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$95.00 is trading 164.2% above its estimated GF Value™ of NT$35.96. GuruFocus considers Fulltech Fiber Glass to be Significantly Overvalued.

Key valuation signals for ROCO:1815:

  • Interest Expense: NT$-187 Mil
  • GF Value™: NT$35.96 vs. price of NT$95.00 (164.2% 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

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

NT$95.00
Price
NT$35.96
GF Value