International Bancshares (IBOC) Stock Chart & Stock Price History $69.28 -0.07 (-0.10%) Closing price 09/25/2025 04:00 PM EasternExtended Trading$69.26 -0.02 (-0.03%) As of 09/25/2025 04:17 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock International Bancshares Stock Price Performance The International Bancshares (IBOC) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 16.59%, with a year-to-date return of 9.69%. In the past month, the stock has decreased 4.35%, reflecting recent market activity. As of the latest close, International Bancshares traded at $69.28 with a market cap of $4.31 billion and volume of 122,443 shares. Five years ago, the stock traded at $25.66, representing a 169.99% increase over that period. At the time, it had a market cap of $1.62 billion and a volume of 183,425 shares. Receive IBOC Stock News and Ratings via EmailSign-up to receive the latest news and ratings for International Bancshares and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. 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Read our full terms of service and privacy policy. 5 Day Performance-0.70%1 Month Performance-4.35%3 Month Performance+3.87%Year-To-Date Performance+9.69%1 Year Performance+16.59%5 Year Performance+169.99% IBOC Stock Chart for Friday, September, 26, 2025 IBOC Chart by TradingView International Bancshares Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization09/25/2025$69.35$69.28-0.10%$69.41$68.82122,443 shs$4.31 billion09/24/2025$69.42$69.35-0.10%$70.13$68.83173,671 shs$4.31 billion09/23/2025$68.84$69.42+0.84%$69.85$68.71262,060 shs$4.32 billion09/22/2025$69.77$68.84-1.33%$69.66$68.31157,345 shs$4.28 billion09/19/2025$70.95$69.77-1.66%$70.81$69.43744,402 shs$4.34 billion09/18/2025$69.34$70.95+2.32%$71.04$69.15231,139 shs$4.41 billion09/17/2025$68.85$69.34+0.71%$71.02$69.04272,762 shs$4.31 billion09/16/2025$69.64$68.85-1.13%$69.40$68.23192,202 shs$4.28 billion09/15/2025$70.60$69.64-1.36%$71.00$69.51176,235 shs$4.33 billion09/12/2025$71.29$70.60-0.97%$71.17$70.51122,636 shs$4.39 billion Get the Latest News and Ratings for IBOC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for International Bancshares and its competitors with MarketBeat's FREE daily newsletter. 09/11/2025$70.85$71.29+0.62%$71.36$70.35193,883 shs$4.43 billion09/10/2025$70.38$70.85+0.67%$71.21$70.18159,549 shs$4.40 billion09/09/2025$71.45$70.38-1.50%$71.37$70.06142,794 shs$4.37 billion09/08/2025$71.58$71.45-0.18%$71.95$70.69169,462 shs$4.44 billion09/05/2025$72.42$71.58-1.16%$73.58$71.16250,291 shs$4.45 billion09/04/2025$71.08$72.42+1.89%$72.46$71.04146,622 shs$4.50 billion09/03/2025$70.83$71.08+0.35%$71.47$70.35221,134 shs$4.42 billion09/02/2025$71.54$70.83-0.99%$71.42$70.47153,290 shs$4.40 billion09/01/2025$71.54$71.54$72.17$71.34261,735 shs$4.45 billion08/29/2025$71.73$71.54-0.26%$72.17$71.34261,735 shs$4.45 billion08/28/2025$72.68$71.73-1.31%$73.03$70.90155,343 shs$4.46 billion08/27/2025$72.43$72.68+0.35%$73.16$71.98207,266 shs$4.52 billion08/26/2025$72.27$72.43+0.22%$73.48$72.00251,159 shs$4.50 billion08/25/2025$72.36$72.27-0.12%$72.68$71.80162,582 shs$4.49 billion Related Companies Cathay General Bancorp Stock Price Chart First Financial Bancorp. Stock Price Chart Fulton Financial Stock Price Chart Hancock Whitney Stock Price Chart SouthState Stock Price Chart S&T Bancorp Stock Price Chart Towne Bank Stock Price Chart United Bankshares Stock Price Chart F.N.B. Stock Price Chart Home BancShares Stock Price Chart Receive IBOC Stock News and Ratings via EmailSign-up to receive the latest news and ratings for International Bancshares and its competitors with MarketBeat's FREE daily newsletter. This page (NASDAQ:IBOC) was last updated on 9/26/2025 by MarketBeat.com Staff From Our PartnersYour Bank Account Is No Longer SafeWhat If Washington Declared That: YOUR Money ISN'T Actually Yours? Sounds insane, but that's exactly what ...Priority Gold | SponsoredAnother gold high? 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