Realtek Semiconductor (LUX:RTKSM) Effective Interest Rate on Debt %: 2.35% (As of Mar. 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

LUX:RTKSM Realtek Semiconductor Corp LUX:RTKSM
86 GF Score
Price $70.00
GF Value $57.08
! 4 Warning Signs
View Full Analysis

What is Realtek Semiconductor Effective Interest Rate on Debt %?

Realtek Semiconductor LUX:RTKSM 86 Effective Interest Rate on Debt % is 2.35% as of Mar. 2026. GuruFocus rates LUX:RTKSM with a GF Score™ of 86/100 and a GF Value™ of $57.08. The stock has 4 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. Realtek Semiconductor's annualized positive value of Interest Expense for the quarter that ended in Mar. 2026 was $8 Mil. Realtek Semiconductor's average total debt for the quarter that ended in Mar. 2026 was $359 Mil. Therefore, Realtek Semiconductor's annualized Effective Interest Rate on Debt % for the quarter that ended in Mar. 2026 was 2.35%.


Realtek Semiconductor  (LUX:RTKSM) Effective Interest Rate on Debt % Explanation

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


Realtek Semiconductor Effective Interest Rate on Debt % Related Terms


Realtek Semiconductor Effective Interest Rate on Debt % Historical Data

* Premium members only.

The historical data trend for Realtek Semiconductor'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.

Realtek Semiconductor Effective Interest Rate on Debt % Chart

Realtek Semiconductor 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 0.75 1.28 1.97 4.02 1.38

Realtek Semiconductor Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
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 2.03 2.22 2.40 3.02 2.35

LUX:RTKSM vs NVDA, AVGO, MU: Effective Interest Rate on Debt % Comparison

For the Semiconductors subindustry, Realtek Semiconductor'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.


Realtek Semiconductor Effective Interest Rate on Debt % vs Semiconductors Industry

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

* The bar in red indicates where Realtek Semiconductor's Effective Interest Rate on Debt % falls into.


LUX:RTKSM
86GF Score
Realtek Semiconductor Corp LUX:RTKSM
Effective Interest Rate on Debt % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Realtek Semiconductor Effective Interest Rate on Debt % Calculation

Realtek Semiconductor'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  *  -3.777/( (183.434+363.144)/ 2 )
=-1  *  -3.777/273.289
=1.38 %

where

Total Debt  (A: Dec. 2024 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=41.801 + 141.633
=183.434

Total Debt  (A: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=37.992 + 325.152
=363.144

Realtek Semiconductor's annualized Effective Interest Rate on Debt % for the quarter that ended in Mar. 2026 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (Q: Dec. 2025 )+Total Debt  (Q: Mar. 2026 ))/ count )
=-1  *  -8.436/( (363.144+354.057)/ 2 )
=-1  *  -8.436/358.6005
=2.35 %

where

Total Debt  (Q: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=37.992 + 325.152
=363.144

Total Debt  (Q: Mar. 2026 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=44.344 + 309.713
=354.057

* 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 (Mar. 2026) 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 2.35% mean?
Realtek Semiconductor (LUX:RTKSM) has a Effective Interest Rate on Debt % of 2.35% as of Mar. 2026. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Realtek Semiconductor and its competitors.
Is Realtek Semiconductor's Effective Interest Rate on Debt % too high?
Realtek Semiconductor's current Effective Interest Rate on Debt % is 2.35%. Overall, Realtek Semiconductor has a GF Score™ of 86/100, reflecting its overall financial health beyond just this single metric.
How does Realtek Semiconductor's Effective Interest Rate on Debt % compare to NVDA and AVGO?
Realtek Semiconductor's Effective Interest Rate on Debt % of 2.35% 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 Realtek Semiconductor and its competitors. Realtek Semiconductor's current Effective Interest Rate on Debt % is 2.35%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Realtek Semiconductor stock overvalued right now?
Realtek Semiconductor (LUX:RTKSM) has a current Effective Interest Rate on Debt % of 2.35%. The stock's GF Value™ is $57.08, compared to a current price of $70.00 — trading 22.6% above its estimated fair value. The current Effective Interest Rate on Debt % is 2.35%. Realtek Semiconductor's overall GF Score™ is 86/100 with 4 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 Realtek Semiconductor (LUX:RTKSM), the current Effective Interest Rate on Debt % is 2.35% as of Mar. 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 Realtek Semiconductor (LUX:RTKSM) Overvalued in 2026?

Based on GuruFocus' analysis, Realtek Semiconductor stock appears to be overvalued. The current stock price of $70.00 is trading 22.6% above its estimated GF Value™ of $57.08.

Key valuation signals for LUX:RTKSM:

  • Effective Interest Rate on Debt %: 2.35%
  • GF Value™: $57.08 vs. price of $70.00 (22.6% above fair value)
  • GF Score™: 86/100 with 4 warning signs

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


Realtek Semiconductor Business Description

Other Exchanges 2379:Taiwan
Address No. 2, Innovation Road II, Hsinchu Science Park, Hsinchu, TWN, 300
Realtek Semiconductor Corp is engaged in researching, developing, manufacturing, and selling various integrated circuits and related application software. The products of the company include Connected Media ICs, Communications Network ICs, Computer Peripheral ICs, Multimedia ICs, Smart Interconnect ICs and others. The company derives maximum revenue from the Asian region followed by Taiwan.
86GF Score

Get the complete analysis for LUX:RTKSM

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

$70.00
Price
$57.08
GF Value