Formosa Sumco Technology (TPE:3532) Effective Interest Rate on Debt %: 0.46% (As of Dec. 2025)

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TPE:3532 Formosa Sumco Technology Corp TPE:3532
62 GF Score
Price NT$379.50
GF Value NT$117.68
Valuation Significantly Overvalued
! 10 Warning Signs
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What is Formosa Sumco Technology Effective Interest Rate on Debt %?

Formosa Sumco Technology TPE:3532 -9.96% 62 Effective Interest Rate on Debt % is 0.46% as of Dec. 2025. GuruFocus rates TPE:3532 with a GF Score™ of 62/100 and a GF Value™ of NT$117.68 (Significantly Overvalued). The stock has 10 warning signs investors should review.

Effective Interest Rate on Debt % is the usage rate that a borrower actually pays on a debt. It is calculated as the positive value of Interest Expense divided by its average total debt. Total debt equals to Long-Term Debt & Capital Lease Obligation plus Short-Term Debt & Capital Lease Obligation. Formosa Sumco Technology's annualized positive value of Interest Expense for the quarter that ended in Dec. 2025 was NT$94 Mil. Formosa Sumco Technology's average total debt for the quarter that ended in Dec. 2025 was NT$20,525 Mil. Therefore, Formosa Sumco Technology's annualized Effective Interest Rate on Debt % for the quarter that ended in Dec. 2025 was 0.46%.


Formosa Sumco Technology  (TPE:3532) Effective Interest Rate on Debt % Explanation

Effective Interest Rate on Debt % measures the usage rate that a borrower actually pays on a debt.


Formosa Sumco Technology Effective Interest Rate on Debt % Related Terms


Formosa Sumco Technology Effective Interest Rate on Debt % Historical Data

* Premium members only.

The historical data trend for Formosa Sumco Technology's Effective Interest Rate on Debt % 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.

Formosa Sumco Technology Effective Interest Rate on Debt % Chart

Formosa Sumco Technology Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Effective Interest Rate on Debt %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1.65 2.50 0.63 1.02 0.42

Formosa Sumco Technology Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Effective Interest Rate on Debt % 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 0.99 0.56 0.54 0.20 0.46

TPE:3532 vs AMAT, LRCX, KLAC: Effective Interest Rate on Debt % Comparison

For the Semiconductor Equipment & Materials subindustry, Formosa Sumco Technology's Effective Interest Rate on Debt %, along with its competitors' market caps and Effective Interest Rate on Debt % 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.


Formosa Sumco Technology Effective Interest Rate on Debt % vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Formosa Sumco Technology's Effective Interest Rate on Debt % distribution charts can be found below:

* The bar in red indicates where Formosa Sumco Technology's Effective Interest Rate on Debt % falls into.


TPE:3532
62GF Score
Formosa Sumco Technology Corp TPE:3532
Effective Interest Rate on Debt % is just one metric. See GF Score™, valuation, warning signs, and more.
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Formosa Sumco Technology Effective Interest Rate on Debt % Calculation

Formosa Sumco Technology's annualized Effective Interest Rate on Debt % for the fiscal year that ended in Dec. 2025 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (A: Dec. 2024 )+Total Debt  (A: Dec. 2025 ))/ count )
=-1  *  -88.841/( (21349.15+20523.587)/ 2 )
=-1  *  -88.841/20936.3685
=0.42 %

where

Total Debt  (A: Dec. 2024 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=19272.275 + 2076.875
=21349.15

Total Debt  (A: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=20516.396 + 7.191
=20523.587

Formosa Sumco Technology's annualized Effective Interest Rate on Debt % for the quarter that ended in Dec. 2025 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (Q: Sep. 2025 )+Total Debt  (Q: Dec. 2025 ))/ count )
=-1  *  -94.304/( (20525.671+20523.587)/ 2 )
=-1  *  -94.304/20524.629
=0.46 %

where

Total Debt  (Q: Sep. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=20518.436 + 7.235
=20525.671

Total Debt  (Q: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=20516.396 + 7.191
=20523.587

* 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.

In the calculation of annual Effective Interest Rate on Debt %, the Interest Expense of the last fiscal year and the average total debt over the fiscal year are used. In calculating the quarterly data, the Interest Expense data used here is four times the quarterly (Dec. 2025) interest expense data. Effective Interest Rate on Debt % is displayed in the 30-year financial page.

What does a Effective Interest Rate on Debt % of 0.46% mean?
Formosa Sumco Technology (TPE:3532) has a Effective Interest Rate on Debt % of 0.46% as of Dec. 2025. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Formosa Sumco Technology and its competitors.
Is Formosa Sumco Technology's Effective Interest Rate on Debt % too high?
Formosa Sumco Technology's current Effective Interest Rate on Debt % is 0.46%. Overall, Formosa Sumco Technology has a GF Score™ of 62/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Formosa Sumco Technology's Effective Interest Rate on Debt % compare to AMAT and LRCX?
Formosa Sumco Technology's Effective Interest Rate on Debt % of 0.46% 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 Effective Interest Rate on Debt % for a Semiconductors company?
A good Effective Interest Rate on Debt % depends on the Semiconductors industry context. However, Effective Interest Rate on Debt % 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 Effective Interest Rate on Debt % mean?
A high Effective Interest Rate on Debt % can signal that a stock is expensive relative to its fundamentals. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Formosa Sumco Technology and its competitors. Formosa Sumco Technology's current Effective Interest Rate on Debt % is 0.46%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Formosa Sumco Technology stock overvalued right now?
Based on GuruFocus' analysis, Formosa Sumco Technology (TPE:3532) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$117.68, compared to a current price of NT$379.50 — trading 222.5% above its estimated fair value. The current Effective Interest Rate on Debt % is 0.46%. Formosa Sumco Technology's overall GF Score™ is 62/100 with 10 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Effective Interest Rate on Debt % calculated?
Effective Interest Rate on Debt % is calculated from a company's financial statements. For Formosa Sumco Technology (TPE:3532), the current Effective Interest Rate on Debt % is 0.46% 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 Formosa Sumco Technology (TPE:3532) Overvalued in 2026?

Based on GuruFocus' analysis, Formosa Sumco Technology stock appears to be overvalued. The current stock price of NT$379.50 is trading 222.5% above its estimated GF Value™ of NT$117.68. GuruFocus considers Formosa Sumco Technology to be Significantly Overvalued.

Key valuation signals for TPE:3532:

  • Effective Interest Rate on Debt %: 0.46%
  • GF Value™: NT$117.68 vs. price of NT$379.50 (222.5% above fair value)
  • GF Score™: 62/100 with 10 warning signs

No single metric tells the full story. See the TPE:3532 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Formosa Sumco Technology Business Description

Address Nanjing East Road, 8th Floor, A1 Building, No. 380, Section 6, Neihu District, Taipei, TWN
Formosa Sumco Technology Corp is a Taiwan-based manufacturer and seller of silicon wafer electronic products. The company operates in two principal geographical areas: Taiwan, China, and Japan, with the majority of revenue from Taiwan. The company's product range includes Polished Wafers, Annealed Wafers, Test Wafers, and Epitaxial Wafers.
62GF Score

Get the complete analysis for TPE:3532

Effective Interest Rate on Debt % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$379.50
Price
NT$117.68
GF Value