National Australia Bank (ASX:NAB) 3-Year Share Buyback Ratio: 1.00% (As of Mar. 2026)

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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.

ASX:NAB National Australia Bank Ltd ASX:NAB
66 GF Score
Price A$39.27
GF Value A$42.34
Valuation Fairly Valued
! 3 Warning Signs
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What is National Australia Bank 3-Year Share Buyback Ratio?

National Australia Bank ASX:NAB +1.79% 66 3-Year Share Buyback Ratio is 1.00 as of Mar. 2026. GuruFocus rates ASX:NAB with a GF Score™ of 66/100 and a GF Value™ of A$42.34 (Fairly Valued). The stock has 3 warning signs investors should review. Among 1,036 Banks companies, National Australia Bank ranks better than 77.99% on this metric.

Shares Outstanding (EOP) are shares that have been authorized, issued, and purchased by investors and are held by them.

3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. A positive ratio may indicate share buybacks over the period, while a zero or negative ratio may reflect no repurchases or potential share issuance. National Australia Bank's current 3-Year Share Buyback Ratio was 1.00%.

The historical rank and industry rank for National Australia Bank's 3-Year Share Buyback Ratio or its related term are showing as below:

ASX:NAB' s 3-Year Share Buyback Ratio Range Over the Past 10 Years
Min: -15.9   Med: -2.4   Max: 2.1
Current: 1

During the past 13 years, National Australia Bank's highest 3-Year Share Buyback Ratio was 2.10%. The lowest was -15.90%. And the median was -2.40%.

ASX:NAB's 3-Year Share Buyback Ratio is ranked better than
77.99% of 1036 companies
in the Banks industry
Industry Median: -0.2 vs ASX:NAB: 1.00

National Australia Bank (ASX:NAB) 3-Year Share Buyback Ratio Explanation

A negative number means the company might be issuing new shares. A positive number indicates that the company is buying back shares.


Be Aware

Investors usually like share buybacks. But as pointed by Warren Buffett, only if a company buys back shares at the prices below the stock's intrinsic value, it rewards remaining shareholders. If a company buys its overvalued stocks back, it destroys shareholder value.


National Australia Bank 3-Year Share Buyback Ratio Related Terms


ASX:NAB vs JPM, BAC, WFC: 3-Year Share Buyback Ratio Comparison

For the Banks - Diversified subindustry, National Australia Bank's 3-Year Share Buyback Ratio, along with its competitors' market caps and 3-Year Share Buyback 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.


National Australia Bank 3-Year Share Buyback Ratio vs Banks Industry

For the Banks industry and Financial Services sector, National Australia Bank's 3-Year Share Buyback Ratio distribution charts can be found below:

* The bar in red indicates where National Australia Bank's 3-Year Share Buyback Ratio falls into.


ASX:NAB
66GF Score
National Australia Bank Ltd ASX:NAB
3-Year Share Buyback Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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National Australia Bank 3-Year Share Buyback Ratio Calculation

This is the annualized percentage change in shares outstanding from three years ago to the current year. The annualized percentage change is calculated with expontential compound based on the latest four years of annual data on Shares Outstanding (EOP).

Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average dividends per share growth rate.

What does a 3-Year Share Buyback Ratio of 1.00 mean?
National Australia Bank (ASX:NAB) has a 3-Year Share Buyback Ratio of 1.00 as of Mar. 2026. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for National Australia Bank and its competitors. According to the industry distribution chart, National Australia Bank ranks #228 out of 1036 companies in the Banks industry, placing it in the top 22%.
Is National Australia Bank's 3-Year Share Buyback Ratio too high?
National Australia Bank's current 3-Year Share Buyback Ratio is 1.00. Based on the distribution chart, National Australia Bank ranks #228 out of 1036 companies in the Banks industry, which is in the top quartile — a strong position relative to peers. Overall, National Australia Bank has a GF Score™ of 66/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does National Australia Bank's 3-Year Share Buyback Ratio compare to JPM and BAC?
According to the Banks industry distribution chart, National Australia Bank ranks #228 out of 1036 companies for 3-Year Share Buyback Ratio. This places National Australia Bank in the top 22% of its industry — outperforming the majority of peers. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Share Buyback Ratio for a Banks company?
A good 3-Year Share Buyback Ratio depends on the Banks industry context. However, 3-Year Share Buyback Ratio 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 3-Year Share Buyback Ratio mean?
A high 3-Year Share Buyback Ratio can signal that a stock is expensive relative to its fundamentals. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for National Australia Bank and its competitors. National Australia Bank's current 3-Year Share Buyback Ratio is 1.00. 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$42.34, compared to a current price of A$39.27 — trading 7.3% below its estimated fair value. The current 3-Year Share Buyback Ratio is 1.00. National Australia Bank's overall GF Score™ is 66/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Share Buyback Ratio calculated?
3-Year Share Buyback Ratio is calculated from a company's financial statements. For National Australia Bank (ASX:NAB), the current 3-Year Share Buyback Ratio is 1.00 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$39.27 is trading 7.3% below its estimated GF Value™ of A$42.34. GuruFocus considers National Australia Bank to be Fairly Valued.

Key valuation signals for ASX:NAB:

  • 3-Year Share Buyback Ratio: 1.00
  • GF Value™: A$42.34 vs. price of A$39.27 (7.3% below fair value)
  • GF Score™: 66/100 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.
66GF Score

Get the complete analysis for ASX:NAB

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

A$39.27
Price
A$42.34
GF Value