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Cross Border Banking Advisors
SKN  | Bank of America Valuation Supported by Excess Returns as AI Investment Accelerates

Banking

SKN  | Bank of America Valuation Supported by Excess Returns as AI Investment Accelerates

By Or Sushan

•

September 30, 2026

Key Takeaways:

  • Bank of America shares have gained approximately 127.9% over three years, putting greater focus on whether the bank’s valuation remains supported by its returns on capital.
  • An Excess Returns model using a 12.64% average return on equity and a $3.47 per-share cost of equity estimates positive excess returns of $2.02 per share and intrinsic value substantially above the supplied $54.96 share price.
  • Bank of America’s planned increase in AI investment, including initiatives involving Erica, AskGPS and CashPro, could influence efficiency, customer engagement and fee generation, although the supplied analysis does not establish the financial impact.

Bank of America’s Strong Share Performance Raises the Valuation Question

Bank of America has generated approximately 127.9% in share-price gains over the past three years, creating a more important question for long-term investors: whether the bank’s current valuation remains aligned with the returns it generates on its capital.

For a large financial institution, share-price appreciation alone does not establish whether a valuation is supported by underlying profitability. The relationship between earnings, equity capital and the return required by shareholders provides another framework for assessing value.

The supplied Excess Returns analysis approaches that question by examining whether Bank of America generates returns on equity above the model’s required cost of equity.

Excess Returns Model Points to Positive Economic Returns

The Excess Returns framework uses Bank of America’s book value of $39.34 per share and an average return on equity of 12.64%. The analysis assigns a cost of equity of $3.47 per share, while stable earnings are estimated at $5.48 per share and stable book value at $43.38 per share.

Those stable earnings and book-value assumptions are based on future estimates from 13 analysts, according to the supplied analysis.

The resulting excess return is $2.02 per share, indicating that the model expects Bank of America to earn more on its equity base than the required charge for shareholder risk.

Based on those assumptions, the model places estimated intrinsic value substantially above the supplied current share price of $54.96.

The valuation framework therefore relies primarily on the persistence of surplus returns on capital rather than aggressive assumptions about future growth.

AI Investment Could Influence Efficiency and Fee Generation

Bank of America’s increasing investment in artificial intelligence adds another dimension to the valuation discussion.

The bank is expanding AI applications across platforms including Erica, as well as treasury tools such as AskGPS and CashPro. The supplied analysis argues that increasing AI investment could affect how efficiently the bank deploys capital and how much additional return it generates from its existing asset base.

The analysis also states that Bank of America plans to double its AI budget next year.

For a financial institution of Bank of America’s scale, the potential economic value of AI extends beyond technology expenditure itself. Improvements in customer engagement, operating efficiency and treasury services could influence revenue and margins over time.

However, the supplied material does not provide a quantified forecast for the incremental revenue, cost savings or return on investment expected from the higher AI budget.

Valuation Depends on Sustaining Returns Rather Than Price Momentum

The central issue in the Excess Returns framework is whether Bank of America’s profitability can remain sufficiently strong to generate returns above the required cost of equity.

That makes the bank’s future operating performance important to the valuation thesis. If returns on equity remain durable, the model’s excess-return component can continue to support intrinsic value. If profitability weakens, the valuation framework would change accordingly.

The supplied analysis also references a separate community narrative that estimates Bank of America as 19% undervalued, citing potential benefits from digital engagement and AI-driven efficiencies. That figure is a separate community assessment rather than part of the Excess Returns calculation and should therefore be treated independently.

What Matters for Long-Term Wealth Investors

For HNW investors evaluating a major U.S. bank, the relevant question extends beyond whether the stock has already appreciated significantly.

Bank of America’s ability to convert its capital base into sustainable earnings remains central to the valuation framework. AI investment adds a potential source of operating leverage, but the economic value of that spending will ultimately depend on how effectively the technology affects customer relationships, efficiency and revenue generation.

The supplied analysis does not provide sufficient information to determine how those AI investments will affect future earnings or whether the current valuation will ultimately converge with the model’s estimated intrinsic value.

Closing Insights

Bank of America’s approximately 127.9% three-year share-price gain has increased the importance of evaluating the stock through underlying returns on capital rather than historical price performance alone.

The supplied Excess Returns model produces $2.02 per share of excess returns and estimates intrinsic value substantially above the stated $54.96 share price, based on assumptions including a 12.64% average ROE and $3.47 per-share cost of equity.

AI investment across Erica, AskGPS and CashPro introduces another potential driver of efficiency and revenue. The key issue for long-term investors is whether those investments translate into durable improvements in the bank’s financial returns.

For a confidential discussion regarding retail banking strategy, insurance distribution models, customer loyalty ecosystems, digital financial services, or cross-border financial innovation opportunities, contact our senior advisory team.

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