Is National Australia Bank (ASX:NAB) Undervalued? A Deep Dive into Valuation Ahead of S&P/ASX200 Shifts

3 min read | May 19, 2025 11:52 AM AEST | By Team Kalkine Media

Highlights 

  • NAB shares trading slightly below a sector-adjusted valuation. 
  • Dividend discount model suggests value potential with fully franked dividends. 
  • omparative metrics hint at possible upside for long-term income-focused investors. 

The share price of National Australia Bank (ASX:NAB) is currently hovering around the $37 mark, prompting questions about how this aligns with its true valuation. For those tracking financial giants on the S&P/ASX200, NAB remains a staple in many income-focused portfolios, particularly among those following popular ASX dividend stocks. 

Understanding a stock's value requires more than just checking today's market quote—it involves exploring various financial models that reflect the company’s performance and investor expectations. Two commonly used models—Price-to-Earnings (P/E) and Dividend Discount Model (DDM)—offer useful insights into where NAB might stand in comparison to peers such as Westpac Banking Corp (ASX:WBC) and ANZ Group Holdings Ltd (ASX:ANZ). 

Valuation Through the P/E Lens 

The P/E ratio compares a company’s share price to its earnings per share. For NAB, the FY24 earnings per share stand at $2.26, translating to a P/E ratio of around 16.4x at the current share price of $37.01. When compared to the average sector P/E of 18x, this suggests that NAB may be trading at a slight discount. 

By applying mean reversion—multiplying NAB’s EPS by the sector average P/E—the implied valuation becomes $40.97. This represents a modest potential upside, assuming sector conditions hold steady and earnings remain consistent. 

Dividend Discount Model Adds Further Insight 

Another tool that proves useful, especially for ASX dividend stocks enthusiasts, is the Dividend Discount Model. Using NAB’s previous year dividend of $1.69 and applying a range of risk rates between 6% and 11%, the resulting average valuation lands at $35.74. If adjusted slightly for a higher dividend assumption of $1.71, that estimate rises to $36.16. 

Factoring in the grossed-up dividend (including franking credits), based on a forecast of $2.44, the DDM valuation climbs significantly to $51.66—offering a different lens through which to assess long-term value. 

Final Thoughts 

While valuations using P/E and DDM can offer guidance, it's important to consider these as part of a wider research framework. NAB, like other major banks in the Australian market, operates within a tightly regulated environment and benefits from its place in an oligopolistic sector. Given the complexity of the financial system, tools like these provide foundational insights, especially for those tracking opportunities within high-yield ASX dividend stocks. 

With multiple valuation models pointing to a range of outcomes, National Australia Bank remains a closely watched name on the S&P/ASX200 index. 


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