Northrop Grumman (MEX:NOC) Effective Interest Rate on Debt %: 3.89% (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.

MEX:NOC Northrop Grumman Corp MEX:NOC
87 GF Score
Price MXN9,415.00
GF Value MXN10,159.81
! 2 Warning Signs
View Full Analysis

What is Northrop Grumman Effective Interest Rate on Debt %?

Northrop Grumman MEX:NOC 87 Effective Interest Rate on Debt % is 3.89% as of Mar. 2026. GuruFocus rates MEX:NOC with a GF Score™ of 87/100 and a GF Value™ of MXN10,159.81. 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. Northrop Grumman's annualized positive value of Interest Expense for the quarter that ended in Mar. 2026 was MXN11,685 Mil. Northrop Grumman's average total debt for the quarter that ended in Mar. 2026 was MXN300,330 Mil. Therefore, Northrop Grumman's annualized Effective Interest Rate on Debt % for the quarter that ended in Mar. 2026 was 3.89%.


Northrop Grumman  (MEX:NOC) Effective Interest Rate on Debt % Explanation

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


Northrop Grumman Effective Interest Rate on Debt % Related Terms


Northrop Grumman Effective Interest Rate on Debt % Historical Data

* Premium members only.

The historical data trend for Northrop Grumman'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.

Northrop Grumman Effective Interest Rate on Debt % Chart

Northrop Grumman 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 3.68 3.52 3.48 4.25 3.68

Northrop Grumman 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 3.80 4.03 3.75 4.08 3.89

MEX:NOC vs HONAV, TDG, LHX: Effective Interest Rate on Debt % Comparison

For the Aerospace & Defense subindustry, Northrop Grumman'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.


Northrop Grumman Effective Interest Rate on Debt % vs Aerospace & Defense Industry

For the Aerospace & Defense industry and Industrials sector, Northrop Grumman's Effective Interest Rate on Debt % distribution charts can be found below:

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


MEX:NOC
87GF Score
Northrop Grumman Corp MEX:NOC
Effective Interest Rate on Debt % is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Northrop Grumman Effective Interest Rate on Debt % Calculation

Northrop Grumman'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  *  -11973.791/( (343910.493+306439.008)/ 2 )
=-1  *  -11973.791/325174.7505
=3.68 %

where

Total Debt  (A: Dec. 2024 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=343910.493 + 0
=343910.493

Total Debt  (A: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=306439.008 + 0
=306439.008

Northrop Grumman'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  *  -11685.188/( (306439.008+294221.533)/ 2 )
=-1  *  -11685.188/300330.2705
=3.89 %

where

Total Debt  (Q: Dec. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=306439.008 + 0
=306439.008

Total Debt  (Q: Mar. 2026 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=294221.533 + 0
=294221.533

* 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 3.89% mean?
Northrop Grumman (MEX:NOC) has a Effective Interest Rate on Debt % of 3.89% as of Mar. 2026. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Northrop Grumman and its competitors.
Is Northrop Grumman's Effective Interest Rate on Debt % too high?
Northrop Grumman's current Effective Interest Rate on Debt % is 3.89%. Overall, Northrop Grumman has a GF Score™ of 87/100, reflecting its overall financial health beyond just this single metric.
How does Northrop Grumman's Effective Interest Rate on Debt % compare to HONAV and TDG?
Northrop Grumman's Effective Interest Rate on Debt % of 3.89% can be compared against companies in the Aerospace & Defense 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 an Aerospace & Defense company?
A good Effective Interest Rate on Debt % depends on the Aerospace & Defense 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 Northrop Grumman and its competitors. Northrop Grumman's current Effective Interest Rate on Debt % is 3.89%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Northrop Grumman stock overvalued right now?
Northrop Grumman (MEX:NOC) has a current Effective Interest Rate on Debt % of 3.89%. The stock's GF Value™ is MXN10,159.81, compared to a current price of MXN9,415.00 — trading 7.3% below its estimated fair value. The current Effective Interest Rate on Debt % is 3.89%. Northrop Grumman's overall GF Score™ is 87/100 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 Northrop Grumman (MEX:NOC), the current Effective Interest Rate on Debt % is 3.89% 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 Northrop Grumman (MEX:NOC) Overvalued in 2026?

Based on GuruFocus' analysis, Northrop Grumman stock appears to be undervalued. The current stock price of MXN9,415.00 is trading 7.3% below its estimated GF Value™ of MXN10,159.81.

Key valuation signals for MEX:NOC:

  • Effective Interest Rate on Debt %: 3.89%
  • GF Value™: MXN10,159.81 vs. price of MXN9,415.00 (7.3% below fair value)
  • GF Score™: 87/100 with 2 warning signs

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


Northrop Grumman Business Description

Address 2980 Fairview Park Drive, Falls Church, VA, USA, 22042
Northrop Grumman is a diversified defense contractor providing aeronautics, defense, and space systems. The company's aerospace segment produces autonomous and piloted aircraft such as Global Hawk drones and the new B-21 bomber, creates the fuselage for the massive F-35 program, and maintains and upgrades numerous other military aircraft. Defense systems makes artillery and missile ammunition and guidance systems, long-range missiles, and missile defense systems. Mission systems creates and integrates a variety of radar, navigation, and communication systems for avionics, weapons control, and countermeasures on a range of platforms from helicopters to destroyers. Space systems produces satellites, sensors, space structures, and rocket motors.
87GF Score

Get the complete analysis for MEX:NOC

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

MXN9,415.00
Price
MXN10,159.81
GF Value