Westpac Banking (BUE:WBK) PEG Ratio: 0.02 (As of Jul. 17, 2026) — 100% Below Median

Author: Vera Yuan Vera Yuan
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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.
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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.

BUE:WBK Westpac Banking Corp BUE:WBK
64 GF Score
Price ARS1,085.00
GF Value ARS1,065.45
! 3 Warning Signs
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What is Westpac Banking PEG Ratio?

Westpac Banking BUE:WBK 64 PEG Ratio is 0.02 as of Jul. 17, 2026, which is 100% below its 10-year median of 6.17. GuruFocus rates BUE:WBK with a GF Score™ of 64/100 and a GF Value™ of ARS1,065.45. The stock has 3 warning signs investors should review. Among 1,228 Banks companies, Westpac Banking ranks worse than 90.55% on this metric.

PE Ratio without NRI / 5-Year Book Value Growth Rate*

PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The growth rate we use for banks is the 5-Year Book Value growth rate. As of today, Westpac Banking's PE Ratio without NRI is 0.04. Westpac Banking's 5-Year Book Value growth rate is 2.40%. Therefore, Westpac Banking's PEG Ratio for today is 0.02.

* The 5-Year Book Value Growth Rate is the 5-year average Book Value per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.


The historical rank and industry rank for Westpac Banking's PEG Ratio or its related term are showing as below:

BUE:WBK' s PEG Ratio Range Over the Past 10 Years
Min: 1.97   Med: 6.17   Max: 10.22
Current: 7.3


During the past 13 years, Westpac Banking's highest PEG Ratio was 10.22. The lowest was 1.97. And the median was 6.17.


BUE:WBK's PEG Ratio is ranked worse than
90.55% of 1228 companies
in the Banks industry
Industry Median: 1.555 vs BUE:WBK: 7.30

Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.


Westpac Banking  (BUE:WBK) PEG Ratio Explanation

To compare stocks with different growth rates, Peter Lynch invented a ratio called PEG Ratio. PEG Ratio is defined as the P/E ratio divided by the growth ratio. He thinks a company with a P/E ratio equal to its growth rate is fairly valued. Still he said he would rather buy a company growing 20% a year with a P/E of 20, instead of a company growing 10% a year with a P/E of 10.


Westpac Banking PEG Ratio Related Terms


Westpac Banking PEG Ratio Historical Data

* Premium members only.

The historical data trend for Westpac Banking's PEG Ratio 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 PEG Ratio Chart

Westpac Banking Annual Data
Trend Sep16 Sep17 Sep18 Sep19 Sep20 Sep21 Sep22 Sep23 Sep24 Sep25
PEG Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 7.89 6.02 4.95 6.73 8.22

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
PEG Ratio 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 0.00 6.73 0.00 8.22 0.00

BUE:WBK vs JPM, BAC, WFC: PEG Ratio Comparison

For the Banks - Diversified subindustry, Westpac Banking's PEG Ratio, along with its competitors' market caps and PEG Ratio 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 PEG Ratio vs Banks Industry

For the Banks industry and Financial Services sector, Westpac Banking's PEG Ratio distribution charts can be found below:

* The bar in red indicates where Westpac Banking's PEG Ratio falls into.


BUE:WBK
64GF Score
Westpac Banking Corp BUE:WBK
PEG Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Westpac Banking PEG Ratio Calculation

PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The ratio we use is the 5-Year Book Value growth rate.

Westpac Banking's PEG Ratio for today is calculated as

PEG Ratio=PE Ratio without NRI/5-Year Book Value Growth Rate*
=0.036920537271742/2.40
=0.02

* 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.

* Note: The 5-Year Book Value Growth Rate is the 5-year average Book Value per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.

Frequently Asked Questions Learn more about PEG Ratio →
What does a PEG Ratio of 0.02 mean?
Westpac Banking (BUE:WBK) has a PEG Ratio of 0.02 as of Jul. 17, 2026. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on Westpac Banking and its competitors. This is 100% below median its historical median of 6.17. Over the past decade, Westpac Banking's PEG Ratio has ranged from 1.97 to 10.22. According to the industry distribution chart, Westpac Banking ranks #1112 out of 1228 companies in the Banks industry, placing it in the top 90.6%.
Is Westpac Banking's PEG Ratio too high?
Westpac Banking's current PEG Ratio of 0.02 is 100% below median its 10-year median of 6.17. Over the past 10 years, this metric has ranged from a low of 1.97 to a high of 10.22. The Banks industry median PEG Ratio is 1.56. Westpac Banking's value of 0.02 is 98.7% below this industry median. Based on the distribution chart, Westpac Banking ranks #1112 out of 1228 companies in the Banks industry, which is in the bottom quartile relative to peers. Overall, Westpac Banking has a GF Score™ of 64/100, reflecting its overall financial health beyond just this single metric.
How does Westpac Banking's PEG Ratio compare to JPM and BAC?
According to the Banks industry distribution chart, Westpac Banking ranks #1112 out of 1228 companies for PEG Ratio. This places Westpac Banking in the lower half of its industry. The industry median PEG Ratio is 1.56. Westpac Banking's value of 0.02 is 98.7% below this benchmark. Historically, Westpac Banking's own PEG Ratio has ranged from 1.97 to 10.22 over the past decade. While the company's 10-year median is 6.17 vs. the industry median of 1.56, Westpac Banking has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PEG Ratio for a Banks company?
The median PEG Ratio among Banks companies is 1.56, based on 1,228 companies in the industry. Companies in the top quartile (top 25%) have a PEG Ratio significantly above this median, while those in the bottom quartile fall well below. However, PEG Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Westpac Banking's current PEG Ratio of 0.02 is 98.7% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high PEG Ratio mean?
A high PEG Ratio can signal that a stock is expensive relative to its fundamentals. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on Westpac Banking and its competitors. For the Banks industry, the median PEG Ratio is 1.56 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Westpac Banking's current PEG Ratio is 0.02, which is 100% below median its own 10-year median of 6.17. 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 (BUE:WBK) has a current PEG Ratio of 0.02. The stock's GF Value™ is ARS1,065.45, compared to a current price of ARS1,085.00 — trading 1.8% above its estimated fair value. The current PEG Ratio is 0.02, which is 100% below median its 10-year median of 6.17 and 98.7% below the Banks industry median of 1.56. Westpac Banking's overall GF Score™ is 64/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PEG Ratio calculated?
PEG Ratio is calculated from a company's financial statements. For Westpac Banking (BUE:WBK), the current PEG Ratio is 0.02 as of Jul. 17, 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 Westpac Banking (BUE:WBK) Overvalued in 2026?

Based on GuruFocus' analysis, Westpac Banking stock appears to be overvalued. The current stock price of ARS1,085.00 is trading 1.8% above its estimated GF Value™ of ARS1,065.45.

Key valuation signals for BUE:WBK:

  • PEG Ratio: 0.02 (100% below median its 10-year median of 6.17)
  • GF Value™: ARS1,065.45 vs. price of ARS1,085.00 (1.8% above fair value)
  • GF Score™: 64/100 with 3 warning signs
  • Industry Position: 98.7% below the Banks median (#1112 of 1228)

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


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.
64GF Score

Get the complete analysis for BUE:WBK

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

ARS1,085.00
Price
ARS1,065.45
GF Value