National Australia Bank (ASX:NAB) Interest Expense: A$-35,935 Mil (TTM As of Mar. 2026)


ASX:NAB National Australia Bank Ltd ASX:NAB
67 GF Score
Price A$38.65
GF Value A$42.26
Valuation Fairly Valued
! 3 Warning Signs
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What is National Australia Bank Interest Expense?

National Australia Bank ASX:NAB +0.21% 67 Interest Expense is A$-35,935 Mil as of Mar. 2026. GuruFocus rates ASX:NAB with a GF Score™ of 67/100 and a GF Value™ of A$42.26 (Fairly Valued). The stock has 3 warning signs investors should review.

Interest Expense is the amount reported by a company or individual as an expense for borrowed money. National Australia Bank's interest expense for the six months ended in Mar. 2026 was A$ -17,297 Mil. Its interest expense for the trailing twelve months (TTM) ended in Mar. 2026 was A$-35,935 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 Australia Bank's Operating Income for the six months ended in Mar. 2026 was A$ Mil. National Australia Bank's Interest Expense for the six months ended in Mar. 2026 was A$ Mil. 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 Australia Bank Interest Expense Historical Data

* Premium members only.

The historical data trend for National Australia Bank'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 Australia Bank Interest Expense Chart

National Australia Bank Annual Data
Trend Sep16 Sep17 Sep18 Sep19 Sep20 Sep21 Sep22 Sep23 Sep24 Sep25
Interest Expense
Get a 7-Day Free Trial Premium Member Only Premium Member Only -4,241.00 -7,538.00 -31,265.00 -41,540.00 -39,376.00

National Australia Bank Semi-Annual Data
Sep16 Mar17 Sep17 Mar18 Sep18 Mar19 Sep19 Mar20 Sep20 Mar21 Sep21 Mar22 Sep22 Mar23 Sep23 Mar24 Sep24 Mar25 Sep25 Mar26
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 -20,290.00 -21,250.00 -20,738.00 -18,638.00 -17,297.00
ASX:NAB
67GF Score
National Australia Bank Ltd ASX:NAB
Interest Expense is just one metric. See GF Score™, valuation, warning signs, and more.
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National Australia Bank 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 Mar. 2026 adds up the semi-annually data reported by the company within the most recent 12 months, which was A$-35,935 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 A$-35,935 Mil mean?
National Australia Bank (ASX:NAB) has a Interest Expense of A$-35,935 Mil as of Mar. 2026. Interest Expense is the amount a company pays on its long-term debt. View historical data on National Australia Bank and its competitors.
Is National Australia Bank's Interest Expense too high?
National Australia Bank's current Interest Expense is A$-35,935 Mil. Overall, National Australia Bank has a GF Score™ of 67/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does National Australia Bank's Interest Expense compare to JPM and BAC?
National Australia Bank's Interest Expense of A$-35,935 Mil can be compared against companies in the Banks 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 Banks company?
A good Interest Expense depends on the Banks 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 Australia Bank and its competitors. National Australia Bank's current Interest Expense is A$-35,935 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is National Australia Bank stock overvalued right now?
Based on GuruFocus' analysis, National Australia Bank (ASX:NAB) is currently considered Fairly Valued. The stock's GF Value™ is A$42.26, compared to a current price of A$38.65 — trading 8.5% below its estimated fair value. The current Interest Expense is A$-35,935 Mil. National Australia Bank's overall GF Score™ is 67/100 with 3 warning signs to review. 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 Australia Bank (ASX:NAB), the current Interest Expense is A$-35,935 Mil 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 National Australia Bank (ASX:NAB) Overvalued in 2026?

Based on GuruFocus' analysis, National Australia Bank stock appears to be undervalued. The current stock price of A$38.65 is trading 8.5% below its estimated GF Value™ of A$42.26. GuruFocus considers National Australia Bank to be Fairly Valued.

Key valuation signals for ASX:NAB:

  • Interest Expense: A$-35,935 Mil
  • GF Value™: A$42.26 vs. price of A$38.65 (8.5% below fair value)
  • GF Score™: 67/100 with 3 warning signs

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

National Australia Bank Business Description

Address 395 Bourke Street, Level 28, Melbourne, VIC, AUS, 3000
National Australia Bank is the most business-focused of the four major banks, holding the largest share of business loans and the number-three spot in home loans. National Australia Bank is currently the second-largest bank by market capitalization, with the franchise covering consumer, small business, corporate, and institutional sectors. Under the UBank brand the bank also owns one of Australia's largest digital-only banks. Offshore operations in New Zealand round out the group.
67GF Score

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

A$38.65
Price
A$42.26
GF Value