CFR vs IBOC

For growth investors, Cullen/Frost Bankers, Inc.

(CFR) is the stronger pick with 2. 5% revenue growth year-over-year, versus 1. 0% for International Bancshares Corporation (IBOC). International Bancshares Corporation (IBOC) offers the better valuation at 11. 1x trailing P/E (10. 9x forward), making it the more compelling value choice. Analysts rate International Bancshares Corporation (IBOC) a "Buy" — based on 1 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, International Bancshares Corporation (IBOC) is the cheapest at 11.

1x versus Cullen/Frost Bankers, Inc. at 14. 0x. On forward P/E, International Bancshares Corporation is actually cheaper at 10. 9x. The PEG ratio (P/E divided by earnings growth rate) is the most growth-adjusted single valuation metric: International Bancshares Corporation wins at 0. 53x versus Cullen/Frost Bankers, Inc. 's 0. 93x — a PEG below 1. 0 traditionally signals the market is underpricing earnings growth.

Over the past 5 years, International Bancshares Corporation (IBOC) delivered a total return of +61.

3%, compared to +26. 6% for Cullen/Frost Bankers, Inc. (CFR). Over 10 years, the gap is even starker: IBOC returned +229. 3% versus CFR's +181. 5%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Cullen/Frost Bankers, Inc.

(CFR) is the lower-risk stock at 0. 82β versus International Bancshares Corporation's 0. 83β — meaning IBOC is approximately 0% more volatile than CFR relative to the S&P 500. On balance sheet safety, International Bancshares Corporation (IBOC) carries a lower debt/equity ratio of 22% versus 104% for Cullen/Frost Bankers, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Cullen/Frost Bankers, Inc.

(CFR) is pulling ahead at 2. 5% versus 1. 0% for International Bancshares Corporation (IBOC). On earnings-per-share growth, the picture is similar: Cullen/Frost Bankers, Inc. grew EPS 11. 8% year-over-year, compared to 0. 8% for International Bancshares Corporation. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

International Bancshares Corporation (IBOC) is the more profitable company, earning 39.

1% net margin versus 22. 2% for Cullen/Frost Bankers, Inc. — meaning it keeps 39. 1% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: IBOC leads at 49. 4% versus 26. 4% for CFR. At the gross margin level — before operating expenses — IBOC leads at 78. 3%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

The PEG ratio (forward P/E divided by expected earnings growth rate) is the most precise measure of undervaluation relative to growth potential.

By this metric, International Bancshares Corporation (IBOC) is the more undervalued stock at a PEG of 0. 53x versus Cullen/Frost Bankers, Inc. 's 0. 93x. A PEG below 1. 0 is traditionally considered the threshold for growth-adjusted undervaluation. On forward earnings alone, International Bancshares Corporation (IBOC) trades at 10. 9x forward P/E versus 13. 3x for Cullen/Frost Bankers, Inc. — 2. 4x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for IBOC: 16. 0% to $85. 00.

All stocks in this comparison pay dividends.

Cullen/Frost Bankers, Inc. (CFR) offers the highest yield at 2. 9%, versus 1. 9% for International Bancshares Corporation (IBOC).

For long-horizon retirement investors, International Bancshares Corporation (IBOC) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0.

83), 1. 9% yield, +229. 3% 10Y return). Both have compounded well over 10 years (IBOC: +229. 3%, CFR: +181. 5%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Financial Services sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.