Westpac Banking (ASX:WESSWG) Effective Interest Rate on Debt %: 15.13% (As of Mar. 2026)


What is Westpac Banking Effective Interest Rate on Debt %?

Westpac Banking ASX:WESSWG 67 Effective Interest Rate on Debt % is 15.13% as of Mar. 2026. GuruFocus rates ASX:WESSWG with a GF Score™ of 67/100. The stock has 3 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. Westpac Banking's annualized positive value of Interest Expense for the quarter that ended in Mar. 2026 was A$33,076.00 Mil. Westpac Banking's average total debt for the quarter that ended in Mar. 2026 was A$218,541.50 Mil. Therefore, Westpac Banking's annualized Effective Interest Rate on Debt % for the quarter that ended in Mar. 2026 was 15.13%.


Westpac Banking  (ASX:WESSWG) Effective Interest Rate on Debt % Explanation

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


Westpac Banking Effective Interest Rate on Debt % Related Terms


Westpac Banking Effective Interest Rate on Debt % Historical Data

* Premium members only.

The historical data trend for Westpac Banking'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.

Westpac Banking Effective Interest Rate on Debt % Chart

Westpac Banking Annual Data
Trend Sep16 Sep17 Sep18 Sep19 Sep20 Sep21 Sep22 Sep23 Sep24 Sep25
Effective Interest Rate on Debt %
Get a 7-Day Free Trial Premium Member Only Premium Member Only 3.26 3.65 13.90 17.94 17.04

Westpac Banking Semi-Annual Data
Sep16 Mar17 Sep17 Mar18 Sep18 Mar19 Sep19 Mar20 Sep20 Mar21 Sep21 Mar22 Sep22 Mar23 Sep23 Mar24 Sep24 Mar25 Sep25 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 18.01 17.99 17.85 15.97 15.13

ASX:WESSWG vs JPM, BAC, WFC: Effective Interest Rate on Debt % Comparison

For the Banks - Diversified subindustry, Westpac Banking'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.


Westpac Banking Effective Interest Rate on Debt % vs Banks Industry

For the Banks industry and Financial Services sector, Westpac Banking's Effective Interest Rate on Debt % distribution charts can be found below:

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



Westpac Banking Effective Interest Rate on Debt % Calculation

Westpac Banking's annualized Effective Interest Rate on Debt % for the fiscal year that ended in Sep. 2025 is calculated as

Effective Interest Rate on Debt %
=-1  *  Interest Expense/( (Total Debt  (A: Sep. 2024 )+Total Debt  (A: Sep. 2025 ))/ count )
=-1  *  -35662/( (207167+211374)/ 2 )
=-1  *  -35662/209270.5
=17.04 %

where

Total Debt  (A: Sep. 2024 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=183612 + 23555
=207167

Total Debt  (A: Sep. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=181402 + 29972
=211374

Westpac Banking'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: Sep. 2025 )+Total Debt  (Q: Mar. 2026 ))/ count )
=-1  *  -33076/( (211374+225709)/ 2 )
=-1  *  -33076/218541.5
=15.13 %

where

Total Debt  (Q: Sep. 2025 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=181402 + 29972
=211374

Total Debt  (Q: Mar. 2026 )
=Long-Term Debt & Capital Lease Obligation + Short-Term Debt & Capital Lease Obligation
=225709 + 0
=225709

* 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 (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 15.13% mean?
Westpac Banking (ASX:WESSWG) has a Effective Interest Rate on Debt % of 15.13% as of Mar. 2026. Effective interest rate on debt is the rate a company actually pays on its debt. View historical data on Westpac Banking and its competitors.
Is Westpac Banking's Effective Interest Rate on Debt % too high?
Westpac Banking's current Effective Interest Rate on Debt % is 15.13%. Overall, Westpac Banking has a GF Score™ of 67/100, reflecting its overall financial health beyond just this single metric.
How does Westpac Banking's Effective Interest Rate on Debt % compare to JPM and BAC?
Westpac Banking's Effective Interest Rate on Debt % of 15.13% 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 Effective Interest Rate on Debt % for a Banks company?
A good Effective Interest Rate on Debt % depends on the Banks 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 Westpac Banking and its competitors. Westpac Banking's current Effective Interest Rate on Debt % is 15.13%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Westpac Banking stock overvalued right now?
Westpac Banking (ASX:WESSWG) has a current Effective Interest Rate on Debt % of 15.13%. The current Effective Interest Rate on Debt % is 15.13%. Westpac Banking'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 Effective Interest Rate on Debt % calculated?
Effective Interest Rate on Debt % is calculated from a company's financial statements. For Westpac Banking (ASX:WESSWG), the current Effective Interest Rate on Debt % is 15.13% 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.

Westpac Banking Business Description

Address 275 Kent Street, Level 18, Sydney, NSW, AUS, 2000
Westpac is Australia's oldest bank and financial services group, with a significant franchise in Australia and New Zealand in the consumer, small business, corporate, and institutional sectors, in addition to its major presence in wealth management. Westpac is among a handful of banks around the globe currently retaining very high credit ratings. The bank benefits from a large national branch network and significant market share, particularly in home loans and retail deposits.