National Aluminium Co (NSE:NATIONALUM) Interest Expense: ₹-243 Mil (TTM As of Jun. 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.

NSE:NATIONALUM National Aluminium Co Ltd NSE:NATIONALUM
82 GF Score
Price ₹376.00
GF Value ₹267.33
Valuation Significantly Overvalued
View Full Analysis

What is National Aluminium Co Interest Expense?

National Aluminium Co NSE:NATIONALUM -6.12% 82 Interest Expense is ₹-243 Mil as of Jun. 2026. GuruFocus rates NSE:NATIONALUM with a GF Score™ of 82/100 and a GF Value™ of ₹267.33 (Significantly Overvalued).

Interest Expense is the amount reported by a company or individual as an expense for borrowed money. National Aluminium Co's interest expense for the three months ended in Jun. 2026 was ₹ -96 Mil. Its interest expense for the trailing twelve months (TTM) ended in Jun. 2026 was ₹-243 Mil.

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income(EBIT) by its Interest Expense. National Aluminium Co's Operating Income for the three months ended in Jun. 2026 was ₹ 25,252 Mil. National Aluminium Co's Interest Expense for the three months ended in Jun. 2026 was ₹ -96 Mil. National Aluminium Co's Interest Coverage for the quarter that ended in Jun. 2026 was 264.41. The higher the ratio, the stronger the company's financial strength is. Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.


National Aluminium Co  (NSE:NATIONALUM) Interest Expense Explanation

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income (EBIT) by its Interest Expense. The higher, the better.

Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.

National Aluminium Co's Interest Expense for the three months ended in Jun. 2026 was ₹-96 Mil. Its Operating Income for the three months ended in Jun. 2026 was ₹25,252 Mil. And its Long-Term Debt & Capital Lease Obligation for the three months ended in Jun. 2026 was ₹0 Mil.

National Aluminium Co's Interest Coverage for the quarter that ended in Jun. 2026 is calculated as

Interest Coverage=-1* Operating Income (Q: Jun. 2026 )/Interest Expense (Q: Jun. 2026 )
=-1*25251.5/-95.5
=264.41

* 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.

The higher the ratio, the stronger the company's financial strength is.

Good Sign:

Ben Graham prefers companies' interest coverage to be at least 5. National Aluminium Co Ltd has enough cash to cover all of its debt. Its financial situation is stable.


National Aluminium Co Interest Expense Historical Data

* Premium members only.

The historical data trend for National Aluminium Co's Interest Expense 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.

National Aluminium Co Interest Expense Chart

National Aluminium Co Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Interest Expense
Get a 7-Day Free Trial Premium Member Only Premium Member Only -117.50 -40.80 -82.90 -423.20 -227.70

National Aluminium Co Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Interest Expense 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 -80.40 -83.60 -596.10 532.40 -95.50
NSE:NATIONALUM
82GF Score
National Aluminium Co Ltd NSE:NATIONALUM
Interest Expense is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

National Aluminium Co Interest Expense Calculation

Interest Expense is the amount reported by a company or individual as an expense for borrowed money.

Interest Expense for the trailing twelve months (TTM) ended in Jun. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was ₹-243 Mil.

* 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.

Frequently Asked Questions Learn more about Interest Expense →
What does a Interest Expense of ₹-243 Mil mean?
National Aluminium Co (NSE:NATIONALUM) has a Interest Expense of ₹-243 Mil as of Jun. 2026. Interest Expense is the amount a company pays on its long-term debt. View historical data on National Aluminium Co and its competitors.
Is National Aluminium Co's Interest Expense too high?
National Aluminium Co's current Interest Expense is ₹-243 Mil. Overall, National Aluminium Co has a GF Score™ of 82/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does National Aluminium Co's Interest Expense compare to AA?
National Aluminium Co's Interest Expense of ₹-243 Mil can be compared against companies in the Metals & Mining industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Interest Expense for a Metals & Mining company?
A good Interest Expense depends on the Metals & Mining industry context. However, Interest Expense 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 Interest Expense mean?
A high Interest Expense can signal that a stock is expensive relative to its fundamentals. Interest Expense is the amount a company pays on its long-term debt. View historical data on National Aluminium Co and its competitors. National Aluminium Co's current Interest Expense is ₹-243 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is National Aluminium Co stock overvalued right now?
Based on GuruFocus' analysis, National Aluminium Co (NSE:NATIONALUM) is currently considered Significantly Overvalued. The stock's GF Value™ is ₹267.33, compared to a current price of ₹376.00 — trading 40.7% above its estimated fair value. The current Interest Expense is ₹-243 Mil. National Aluminium Co's overall GF Score™ is 82/100. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Interest Expense calculated?
Interest Expense is calculated from a company's financial statements. For National Aluminium Co (NSE:NATIONALUM), the current Interest Expense is ₹-243 Mil as of Jun. 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 National Aluminium Co (NSE:NATIONALUM) Overvalued in 2026?

Based on GuruFocus' analysis, National Aluminium Co stock appears to be overvalued. The current stock price of ₹376.00 is trading 40.7% above its estimated GF Value™ of ₹267.33. GuruFocus considers National Aluminium Co to be Significantly Overvalued.

Key valuation signals for NSE:NATIONALUM:

  • Interest Expense: ₹-243 Mil
  • GF Value™: ₹267.33 vs. price of ₹376.00 (40.7% above fair value)
  • GF Score™: 82/100

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


National Aluminium Co Business Description

Other Exchanges 532234:India
Address Nalco Bhawan, Plot No. P/1, Nayapalli, Bhubaneswar, OR, IND, 751013
National Aluminium Co Ltd mines, produces and sells aluminum and alumina-based products in two segments: Aluminium and Chemicals. The company controls all stages of the aluminum process. The firm mines bauxite and refines it into alumina, then smelts maximum of the alumina into aluminum. The aluminum segment, which generates the majority of revenue, sells aluminum-based products. The chemicals segment sells calcinated alumina and alumina hydrate. The firm also owns and operates multiple power plants throughout India. The company derives maximum revenue from Aluminum segment.
82GF Score

Get the complete analysis for NSE:NATIONALUM

Interest Expense is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

₹376.00
Price
₹267.33
GF Value