Mostostal Warszawa (WAR:MSW) Effective Interest Rate on Debt %: 13.22% (As of Mar. 2026)

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WAR:MSW Mostostal Warszawa SA WAR:MSW
58 GF Score
Price zł3.61
GF Value zł5.12
Valuation Modestly Undervalued
! 6 Warning Signs
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What is Mostostal Warszawa Effective Interest Rate on Debt %?

Mostostal Warszawa WAR:MSW 58 Effective Interest Rate on Debt % is 13.22% as of Mar. 2026. GuruFocus rates WAR:MSW with a GF Score™ of 58/100 and a GF Value™ of zł5.12 (Modestly Undervalued). The stock has 6 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. Mostostal Warszawa's annualized positive value of Interest Expense for the quarter that ended in Mar. 2026 was zł32 Mil. Mostostal Warszawa's average total debt for the quarter that ended in Mar. 2026 was zł246 Mil. Therefore, Mostostal Warszawa's annualized Effective Interest Rate on Debt % for the quarter that ended in Mar. 2026 was 13.22%.


Mostostal Warszawa  (WAR:MSW) Effective Interest Rate on Debt % Explanation

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


Mostostal Warszawa Effective Interest Rate on Debt % Related Terms


Mostostal Warszawa Effective Interest Rate on Debt % Historical Data

* Premium members only.

The historical data trend for Mostostal Warszawa'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.

Mostostal Warszawa Effective Interest Rate on Debt % Chart

Mostostal Warszawa 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 4.83 6.75 7.31 8.79 12.33

Mostostal Warszawa 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 9.88 22.30 15.53 4.05 13.22

WAR:MSW vs PWR, FIX, EME: Effective Interest Rate on Debt % Comparison

For the Engineering & Construction subindustry, Mostostal Warszawa'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.


Mostostal Warszawa Effective Interest Rate on Debt % vs Construction Industry

For the Construction industry and Industrials sector, Mostostal Warszawa's Effective Interest Rate on Debt % distribution charts can be found below:

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


WAR:MSW
58GF Score
Mostostal Warszawa SA WAR:MSW
Effective Interest Rate on Debt % is just one metric. See GF Score™, valuation, warning signs, and more.
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Mostostal Warszawa Effective Interest Rate on Debt % Calculation

Mostostal Warszawa'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  *  -26.384/( (222.749+205.319)/ 2 )
=-1  *  -26.384/214.034
=12.33 %

where

Total Debt  (A: Dec. 2024 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=69.346 + 153.403
=222.749

Total Debt  (A: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=105.341 + 99.978
=205.319

Mostostal Warszawa'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  *  -32.468/( (205.319+285.883)/ 2 )
=-1  *  -32.468/245.601
=13.22 %

where

Total Debt  (Q: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=105.341 + 99.978
=205.319

Total Debt  (Q: Mar. 2026 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=105.09 + 180.793
=285.883

* 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 13.22% mean?
Mostostal Warszawa (WAR:MSW) has a Effective Interest Rate on Debt % of 13.22% as of Mar. 2026. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Mostostal Warszawa and its competitors.
Is Mostostal Warszawa's Effective Interest Rate on Debt % too high?
Mostostal Warszawa's current Effective Interest Rate on Debt % is 13.22%. Overall, Mostostal Warszawa has a GF Score™ of 58/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Mostostal Warszawa's Effective Interest Rate on Debt % compare to PWR and FIX?
Mostostal Warszawa's Effective Interest Rate on Debt % of 13.22% can be compared against companies in the Construction 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 Construction company?
A good Effective Interest Rate on Debt % depends on the Construction 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 Mostostal Warszawa and its competitors. Mostostal Warszawa's current Effective Interest Rate on Debt % is 13.22%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Mostostal Warszawa stock overvalued right now?
Based on GuruFocus' analysis, Mostostal Warszawa (WAR:MSW) is currently considered Modestly Undervalued. The stock's GF Value™ is zł5.12, compared to a current price of zł3.61 — trading 29.5% below its estimated fair value. The current Effective Interest Rate on Debt % is 13.22%. Mostostal Warszawa's overall GF Score™ is 58/100 with 6 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 Mostostal Warszawa (WAR:MSW), the current Effective Interest Rate on Debt % is 13.22% 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 Mostostal Warszawa (WAR:MSW) Overvalued in 2026?

Based on GuruFocus' analysis, Mostostal Warszawa stock appears to be undervalued. The current stock price of zł3.61 is trading 29.5% below its estimated GF Value™ of zł5.12. GuruFocus considers Mostostal Warszawa to be Modestly Undervalued.

Key valuation signals for WAR:MSW:

  • Effective Interest Rate on Debt %: 13.22%
  • GF Value™: zł5.12 vs. price of zł3.61 (29.5% below fair value)
  • GF Score™: 58/100 with 6 warning signs

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


Mostostal Warszawa Business Description

Address Ul. Konstruktorska 12A, Warszawa, POL, 02-673
Mostostal Warszawa SA is a Poland based construction company. It operates as the general contractor and undertakes construction activities in the areas of general, industrial, environmental, energy, infrastructural and road. General construction includes commercial construction like residential buildings and housing developments, office facilities, public buildings, production halls, and warehouses. Industrial construction encompasses the development of large-scale industrial projects. Infrastructural and road construction consists of the construction of bridges, overpasses, multi-level crossings and underground structures. Environmental construction consists of the execution and supply of equipment related to environmental protection, including turnkey energy facilities.
58GF Score

Get the complete analysis for WAR:MSW

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

zł3.61
Price
zł5.12
GF Value