INTERNATIONAL BANCSHARES CORPORATION (IBOC): what the price assumes

In the published model solve dated 2026-Q2, anchored at $70.93, INTERNATIONAL BANCSHARES CORPORATION (IBOC) is priced for 11.1% return on equity. boothcheck publishes no house fair value, target price, or buy/sell rating; individual model outputs and user-controlled scenarios are analytical inputs, not Boothcheck targets. Narrative composed 2026-06-27.

Generated: 2026-08-30 · Source: https://boothcheck.com/report/IBOC

Headline

What The Price Assumes (Inversion)

The assumption today's price embeds, recovered by inverting the valuation.

Solve inputs: computed at a 9.5% cost of equity with 4% terminal growth over a 10-year stage, on common book equity (FY2026).

How unusual the bet is: within-range

Valuation X-Ray

The price is supported by asset-based and earnings-power value. A value/asset-supported name, not a pure growth bet.

How the valuation models price the stock relative to the market price. Price/FV above 1.0 means the market pays more than that lens defends (expensive); at or below 1.0 the lens can defend the price.

Families that justify the price: Asset, Earnings

The models below discount at their own flat-beta convention rates (cost of equity 9.3%, WACC 5.8%); the inversion above states its own rate.

Per-Model Detail (n=4)

Solvency

Deposit/float-funded balance sheet: debt is funding, not corporate leverage, and GAAP operating cash flow follows loan flows. Net-debt, interest-coverage, and cash-burn lenses do not apply. The solvency frame for a financial is regulatory capital and payout capacity (CET1, stress buffer, dividends plus buybacks against earnings).

Bullet Takeaways

• International Bancshares is one of the largest independent bank holding companies in Texas, with a deposit-funded franchise concentrated along the Texas-Mexico border, and it earns a solid return on equity of about 12.7% on a tangible book of $48.28 per share.
• The defining risk is credit, not capital: a slice of soured loans surfaced recently, and for a regional bank the question is always whether the loan book holds up if the local economy slows, with the allowance running near 1.7% of loans.
• Watch capital return: the bank carries a $150 million buyback authorization it has used cautiously, so how aggressively it returns capital is the swing factor for a stock the methods already read as fairly valued.

Bull Case

The market is pricing International Bancshares roughly where its fundamentals say it belongs, and that is the quiet case for owning it. At $73.59 (June 27, 2026) the stock trades near the value the asset, earnings-power, and peer-multiple methods all assign, which means a buyer is not paying up for optimism. The bank earns a return on equity of about 12.7%, comfortably above its roughly 9.3% cost of equity, and that spread is what creates value for a bank: each year it earns more on its equity than that equity costs, so book value compounds. The bank-specific valuation, price to tangible book value, lands near $81 on a tangible book of $48.28 per share and a price-to-tangible-book multiple of about 1.68 times, slightly above today's price.

The earnings engine is steady and improving at the margin. In the first quarter of 2026, net income rose 5.5% to $102.2 million and diluted earnings per share rose 5.1% to $1.64, supported by higher interest income on the loan and investment portfolios and lower interest expense on deposits. Net interest income, the core of a bank's profitability, grew 2.7% to $165.6 million. The funding side is the franchise's real asset: deposits reached $12.62 billion, up 1.5% from year-end, and a large, sticky, low-cost deposit base is exactly what lets a regional bank earn an above-cost return without reaching for risky loans. The bank also pointed to AI-driven efficiency initiatives as a contributor, which is the right lever for a mature bank: hold the spread, lower the cost of running the branch network.

The capital position supports both the dividend and continued returns. The share count has been edging down at about 0.5% a year, and the bank holds a $150 million buyback authorization, which at today's valuation retires stock near tangible book and adds to per-share value. For a Texas franchise with a defensible deposit base, an above-cost return on equity, and a price that the methods say is fair rather than stretched, the bull case does not require heroics. It requires the bank to keep doing what it does, and to deploy its capital authorization into a stock trading close to its intrinsic worth.

Bear Case

The capital-allocation question is the one a holder should press, because International Bancshares is a long-controlled, conservatively run bank, and conservative can shade into passive. The company holds a $150 million buyback authorization but has executed it cautiously, which is a choice: at a price near tangible book, aggressive repurchase would be accretive, and reluctance to use the authorization leaves capital sitting on the balance sheet earning a bank's modest return rather than retiring undervalued shares. For a bank whose growth is slow, capital return is the main lever for per-share value creation, and a management that returns capital reluctantly caps the upside even when the underlying franchise is sound. The market tends to apply a discount to banks where capital deployment is unhurried, and that discount is part of why the stock sits below the price-to-tangible-book value the model assigns.

The credit cycle is the structural risk under every regional bank, and IBOC just gave a small reminder. A slice of soured loans surfaced in recent results, and while the allowance for credit losses runs near 1.7% of loans, a buffer that looks adequate today, the loan book is concentrated in a specific Texas and border-region economy. Concentration is a double-edged trait: it is the source of the franchise's deep local relationships and its low-cost deposits, but it also means a downturn in that regional economy, in energy, trade, or cross-border commerce, would hit loan quality and deposit growth at the same time. A bank cannot diversify away its home market, and IBOC's home market carries its own cyclical and policy exposures.

The valuation leaves little room for the growth that is not there. Earnings growth has been modest, in the low-to-mid single digits, and the methods reflect that: the peer-multiple lens lands near $69 on a sector earnings multiple of about 10 times, and the dividend-discount and growth-tapered methods land in the $50-to-$53 range, below the price, precisely because they refuse to credit much growth. The price is supported by the asset and earnings-power lenses but not cheap on the growth-sensitive ones. That is the bear's arithmetic: a holder is buying a slow-growing bank at a fair price, where the return depends on a steady dividend, gradual book-value compounding, and a buyback management seems reluctant to press. If credit deteriorates or the regional economy softens, the same return on equity that supports the price today compresses, and a fairly-valued bank becomes an ordinary one.

Valuation

For a bank, the right lens is return on equity against the cost of that equity, not a margin or a multiple of sales, and on that lens International Bancshares is squarely fair. It earns about 12.7% on equity against a cost of equity near 9.3%, a positive spread that lets tangible book value compound and justifies a price modestly above book. The implied assumption in the price is undemanding: the methods read this as a value-and-asset-supported name, not a growth bet, which is the correct frame for a mature regional bank growing earnings in the low single digits.

Where the price sits against the methods is a tight cluster around fair value. The bank-specific price-to-tangible-book method lands near $81 on a tangible book of $48.28 per share and a multiple of about 1.68 times, derived from the return-on-equity-to-cost-of-equity spread and adjusted down slightly for credit metrics. The excess-return and earnings-yield methods land near $72, essentially at the price. The peer-multiple method lands near $69 on a roughly 10-times sector earnings multiple. The methods that pull lower are the growth-sensitive ones, the dividend-discount model near $50, because IBOC simply does not grow fast. The spread across the methods is narrow, which is itself the signal: this is a fairly-priced bank, not a mispriced one, and the upside comes from execution and capital return rather than from a valuation gap closing.

The solvency frame for a bank is regulatory capital and payout capacity, not the net-debt and coverage math that applies to an industrial company, because deposits are funding rather than corporate leverage. IBOC's deposit base of $12.62 billion is the franchise's foundation, its allowance for credit losses near 1.7% of loans is the buffer against the cycle, and its dividend plus the $150 million buyback authorization measure its capital-return capacity. The decisive question for this name is not whether it is cheap, it is roughly fair, but whether management deploys its capital and holds its credit quality, because those two variables, not a re-rating, are what determine the per-share return from here.

Catalysts

International Bancshares reported first-quarter 2026 results in early May, and they were steady. Net income rose 5.5% year over year to $102.2 million, with diluted earnings per share up 5.1% to $1.64, helped by higher interest income on the loan and investment portfolios and reduced interest expense on deposits. Net interest income grew 2.7% to $165.6 million, and deposits rose 1.5% from year-end to $12.62 billion. Management highlighted AI-driven efficiency efforts as a contributor to the quarter.

The forward watch items are credit and capital deployment. Recent results surfaced a modest amount of soured loans, so loan-quality trends in the coming quarters are the key signal for whether the credit cycle is turning in the bank's regional markets. On capital, the company carries a $150 million buyback authorization that it has used cautiously, and the pace of that program, alongside the dividend, is the main lever for per-share value creation at a bank that grows earnings slowly. With the stock priced near fair value on the bank-specific methods, the next several prints matter less for a re-rating and more for confirming that net interest income holds, credit stays contained, and management puts its capital authorization to work.

Peer Cohorts (Per Segment, With Filing Citations)

Core business (reported)

• HOMB (HOME BANCSHARES, INC.)
• FY2025 10-K: …institutions and credit unions have offices in our primary market areas. These institutions include many of the largest banks operating in these respective states, including some of the largest banks in the country. Many of our competitors serve the same counties we do. Our competitors often have greater 11 Table of…
• FY2025 10-K: …capacity of branches and employees. We believe our profitability is significantly tied to our focus on our efficiency ratio, and we pride ourselves on operating in a highly efficient manner. To achieve further improvements in operating efficiency, we will continue to focus on increasing revenue from organic loan…
• PB (PROSPERITY BANCSHARES, INC.)
• FY2025 10-K: …revenue. The level of interest rates and the volume and mix of earning assets and interest-bearing liabilities impact net interest income and margin. Three principal components of the Company's growth strategy are internal growth, efficient operations and acquisitions, including strategic merger transactions. The…
• FY2025 10-K: …that have contributed to its low incidence of nonperforming assets and minimal charge-offs in relation to its size. Nonperforming assets were 0.69% of total loans and other real estate at December 31, 2025. Excluding Warehouse Purchase Program loans, nonperforming assets were 0.74% of total loans and other real…
• ABCB (Ameris Bancorp)
• FY2025 10-K: …may also enter into repurchase agreements. These repurchase agreements are treated as short-term borrowings and are reflected on the Company's balance sheet as such. MARKET AREAS AND COMPETITION The banking industry in general, and in the southeastern United States specifically, is highly competitive and dramatic…
• FY2025 10-K: …environment, with our profitability dependent upon our ability to compete successfully based on such factors as brand recognition and reputation, client relationships, product offerings, pricing, convenience, technology, accessibility and customer service. We face significant pricing competition for loans and…
• CVBF (CVB FINANCIAL CORP.)
• FY2025 10-K: Company's primary operations are related to traditional banking activities. This includes the acceptance of deposits and the lending and investing of money through the operations of the Bank. The Bank also provides trust and investment-related services to customers through its CitizensTrust Division. The Bank's…
• FY2025 10-K: …or assess what the overall effect of such potential changes could be on our results of operations or cash flows. We face strong competition from financial services companies and other companies that offer banking services. We conduct most of our operations in the state of California. The banking and financial…
• CATY (Cathay General Bancorp)
• FY2025 10-K: …or make acquisitions on favorable terms. We face substantial competition from our competitors. We face substantial competition for deposits, loans, and for other banking services, as well as acquisitions, throughout our market area from the major banks and financial institutions that dominate the commercial banking…
• FY2025 10-K: …interest-bearing liabilities is included in Part II - Item 7 - "Management's Discussion and Analysis of Financial Condition and Results of Operations." Analysis of Changes in Net Interest Income An analysis of changes in net interest income due to changes in rate and volume is included in Part II - Item 7 -…
• PFS (PROVIDENT FINANCIAL SERVICES, INC.)
• FY2025 10-K: …and retail loan and deposit products and emphasizes personal service and convenience. The Bank's strategy is to grow profitably through a commitment to credit quality and expanding market share by acquiring, retaining, and expanding customer relationships, while carefully managing interest rate risk. The Bank…
• FY2025 10-K: …its offices, extend predominantly throughout New Jersey, eastern Pennsylvania and Nassau, Queens and Orange County, New York. This geographic concentration subjects the Company's loan portfolio to the general economic conditions within these states. The risks created by this concentration have been considered by…
• CBSH (COMMERCE BANCSHARES, INC.)
• FY2025 10-K: …innovation, convenience, reputation, industry knowledge, and price. In its two largest markets, the Company has approximately 10% of the deposit market share in Kansas City and approximately 7% of the deposit market share in St. Louis. Operating Segments The Company is managed in three operating segments: Commercial,…
• FY2025 10-K: …1.4%, from December 31, 2024. These loans are used by commercial customers to finance capital purchases ranging from computer equipment to office and transportation equipment. Additionally, the Company has $296.6 million of outstanding loans included within its $303.0 million oil and gas energy-related loan portfolio…
• CHCO (CITY HOLDING COMPANY)
• FY2025 10-K: …value and may fluctuate. Strategic Risks Due to Increased Competition, the Company May Not be Able to Attract and Retain Banking Customers. The Company faces substantial and intense competition in all areas of its operation, including interest rates and other terms for loans and deposits and the range and quality of…
• FY2025 10-K: …services over the internet and for non-banks to offer products and services typically provided by banks. Many of our non-bank competitors have fewer regulatory constraints and expenses associated with regulatory compliance and may have lower cost structures, such as credit unions that are not subject to federal…

Methodology Note

• Priced-in inversion: the valuation is inverted on the current price to recover the operating-income growth, duration, and steady-state margin the price embeds (ROE for financials, FFO growth for REITs).
• Valuation x-ray: the valuation models, grouped into four families (asset, earnings, relative, growth). Each model is expressed as a price/FV ratio (distance from price), not a point fair-value estimate. The spread across families is the disagreement.
• Solvency: net cash/debt, net-debt-to-NOPAT, interest coverage, and share-count CAGR from EDGAR financials (net debt / FFO and fixed-charge coverage for REITs; regulatory-capital framing for financials).
• Peer cohorts: per-segment comparables with deep-linkable SEC filing citations.

Fundamentals sourced from SEC EDGAR filings. Current price from Databento. The priced-in inversion and valuation x-ray are computed by the boothcheck engine; narrative composed by AI from the structured data.