Prince Pharmaceutical Co (ROCO:6935) Effective Interest Rate on Debt %: 2.19% (As of Dec. 2025)

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.

ROCO:6935 Prince Pharmaceutical Co Ltd ROCO:6935
59 GF Score
Price NT$31.25
GF Value NT$42.42
Valuation Modestly Undervalued
! 2 Warning Signs
View Full Analysis

What is Prince Pharmaceutical Co Effective Interest Rate on Debt %?

Prince Pharmaceutical Co ROCO:6935 -0.48% 59 Effective Interest Rate on Debt % is 2.19% as of Dec. 2025. GuruFocus rates ROCO:6935 with a GF Score™ of 59/100 and a GF Value™ of NT$42.42 (Modestly Undervalued). The stock has 2 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. Prince Pharmaceutical Co's annualized positive value of Interest Expense for the quarter that ended in Dec. 2025 was NT$9 Mil. Prince Pharmaceutical Co's average total debt for the quarter that ended in Dec. 2025 was NT$431 Mil. Therefore, Prince Pharmaceutical Co's annualized Effective Interest Rate on Debt % for the quarter that ended in Dec. 2025 was 2.19%.


Prince Pharmaceutical Co  (ROCO:6935) Effective Interest Rate on Debt % Explanation

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


Prince Pharmaceutical Co Effective Interest Rate on Debt % Related Terms


Prince Pharmaceutical Co Effective Interest Rate on Debt % Historical Data

* Premium members only.

The historical data trend for Prince Pharmaceutical Co'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.

Prince Pharmaceutical Co Effective Interest Rate on Debt % Chart

Prince Pharmaceutical Co Annual Data
Trend Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Effective Interest Rate on Debt %
Get a 7-Day Free Trial 1.38 1.64 2.06 2.16 2.17

Prince Pharmaceutical Co Semi-Annual Data
Dec19 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
Effective Interest Rate on Debt % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only 2.11 2.13 2.18 2.16 2.19

ROCO:6935 vs ZTS: Effective Interest Rate on Debt % Comparison

For the Drug Manufacturers - Specialty & Generic subindustry, Prince Pharmaceutical Co'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.


Prince Pharmaceutical Co Effective Interest Rate on Debt % vs Drug Manufacturers Industry

For the Drug Manufacturers industry and Healthcare sector, Prince Pharmaceutical Co's Effective Interest Rate on Debt % distribution charts can be found below:

* The bar in red indicates where Prince Pharmaceutical Co's Effective Interest Rate on Debt % falls into.


ROCO:6935
59GF Score
Prince Pharmaceutical Co Ltd ROCO:6935
Effective Interest Rate on Debt % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Prince Pharmaceutical Co Effective Interest Rate on Debt % Calculation

Prince Pharmaceutical Co'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  *  -9.583/( (460.795+422.029)/ 2 )
=-1  *  -9.583/441.412
=2.17 %

where

Total Debt  (A: Dec. 2024 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=390.379 + 70.416
=460.795

Total Debt  (A: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=353.961 + 68.068
=422.029

Prince Pharmaceutical Co'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: Jun. 2025 )+Total Debt  (Q: Dec. 2025 ))/ count )
=-1  *  -9.426/( (440.713+422.029)/ 2 )
=-1  *  -9.426/431.371
=2.19 %

where

Total Debt  (Q: Jun. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=371.008 + 69.705
=440.713

Total Debt  (Q: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=353.961 + 68.068
=422.029

* 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 two times the semi-annual (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 2.19% mean?
Prince Pharmaceutical Co (ROCO:6935) has a Effective Interest Rate on Debt % of 2.19% as of Dec. 2025. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Prince Pharmaceutical Co and its competitors.
Is Prince Pharmaceutical Co's Effective Interest Rate on Debt % too high?
Prince Pharmaceutical Co's current Effective Interest Rate on Debt % is 2.19%. Overall, Prince Pharmaceutical Co has a GF Score™ of 59/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Prince Pharmaceutical Co's Effective Interest Rate on Debt % compare to ZTS?
Prince Pharmaceutical Co's Effective Interest Rate on Debt % of 2.19% can be compared against companies in the Drug Manufacturers 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 Drug Manufacturers company?
A good Effective Interest Rate on Debt % depends on the Drug Manufacturers 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 Prince Pharmaceutical Co and its competitors. Prince Pharmaceutical Co's current Effective Interest Rate on Debt % is 2.19%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Prince Pharmaceutical Co stock overvalued right now?
Based on GuruFocus' analysis, Prince Pharmaceutical Co (ROCO:6935) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$42.42, compared to a current price of NT$31.25 — trading 26.3% below its estimated fair value. The current Effective Interest Rate on Debt % is 2.19%. Prince Pharmaceutical Co's overall GF Score™ is 59/100 with 2 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 Prince Pharmaceutical Co (ROCO:6935), the current Effective Interest Rate on Debt % is 2.19% 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 Prince Pharmaceutical Co (ROCO:6935) Overvalued in 2026?

Based on GuruFocus' analysis, Prince Pharmaceutical Co stock appears to be undervalued. The current stock price of NT$31.25 is trading 26.3% below its estimated GF Value™ of NT$42.42. GuruFocus considers Prince Pharmaceutical Co to be Modestly Undervalued.

Key valuation signals for ROCO:6935:

  • Effective Interest Rate on Debt %: 2.19%
  • GF Value™: NT$42.42 vs. price of NT$31.25 (26.3% below fair value)
  • GF Score™: 59/100 with 2 warning signs

No single metric tells the full story. See the ROCO:6935 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Prince Pharmaceutical Co Business Description

Address Number 168, Keyunnan Road, Huwei Town, Yunlin, TWN, 632
Prince Pharmaceutical Co Ltd is engaged in the manufacturing, packaging, processing, and trading of various active pharmaceutical ingredients and health supplements. The company supplies its products to Taiwan, Japan, Spain, Europe and other regions.
59GF Score

Get the complete analysis for ROCO:6935

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

NT$31.25
Price
NT$42.42
GF Value