A Look At International Bancshares (IBOC) Valuation After Strong First Quarter Earnings

International Bancshares Corporation

International Bancshares Corporation

IBOC

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First quarter earnings put International Bancshares in focus

International Bancshares (IBOC) has moved into the spotlight after reporting first quarter results, with net interest income of US$165.63 million and net income of US$102.19 million, both higher than the same period last year.

Despite the solid first quarter earnings update, the recent share price has eased, with the stock down 1.2% over the last day and 2.9% over the past week. However, a 10.7% one year total shareholder return and a 71.6% three year total shareholder return show a much stronger longer term picture, suggesting recent momentum has cooled after a period of substantial value creation for shareholders.

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With earnings per share at US$1.64, a value score of 5, and the stock trading at a reported intrinsic discount of about 50%, investors may ask whether there is still an opportunity here or whether the current price already reflects expectations for future growth.

Price-to-Earnings of 10.5x: Is it justified?

On the latest numbers, International Bancshares trades on a P/E of 10.5x, which screens as good value compared both to peers and to the wider US Banks industry.

The P/E ratio compares the current share price with earnings per share and is a common way to see how much investors are paying for each dollar of profit. For a bank like International Bancshares, where earnings and return on equity matter more than rapid revenue expansion, P/E provides a straightforward snapshot of how the market is weighing its profit profile.

In this case, the 10.5x P/E sits below the US Banks industry average of 11.1x and well below the peer average of 20.9x, indicating a more modest earnings multiple than many comparable stocks. It is also close to the estimated fair P/E of 10.9x, which suggests the current valuation level is not stretched and could be an area the market gravitates toward if sentiment shifts.

Result: Price-to-Earnings of 10.5x (UNDERVALUED)

However, you still need to factor in that International Bancshares is a regional bank. Shifts in local credit conditions or funding costs could quickly change the story.

Another view on what the price might be missing

While a 10.5x P/E suggests good value compared with peers and the broader US Banks industry, the SWS DCF model paints an even starker picture. At a share price of $70.83 versus an estimated future cash flow value of $140.52, the stock screens as heavily undervalued. This raises a simple question: is the market underpricing its cash generation, or is the model too optimistic?

IBOC Discounted Cash Flow as at May 2026
IBOC Discounted Cash Flow as at May 2026

Simply Wall St performs a discounted cash flow (DCF) on every stock in the world every day (check out International Bancshares for example). We show the entire calculation in full. You can track the result in your watchlist or portfolio and be alerted when this changes, or use our stock screener to discover 51 high quality undervalued stocks. If you save a screener we even alert you when new companies match - so you never miss a potential opportunity.

Next Steps

With this mix of cautious signals and apparent value support, it makes sense to check the underlying data yourself and decide how compelling the setup feels. To see what investors are optimistic about, review the company's 4 key rewards

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.