International Bancshares (IBOC) Stock Chart & Stock Price History $71.08 +0.25 (+0.35%) Closing price 09/3/2025 04:00 PM EasternExtended Trading$71.05 -0.03 (-0.04%) As of 09/3/2025 06:05 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 15.00%, with a year-to-date return of 12.54%. In the past month, the stock has increased 2.72%, reflecting recent market activity. As of the latest close, International Bancshares traded at $71.08 with a market cap of $4.42 billion and volume of 221,134 shares. Five years ago, the stock traded at $31.28, representing a 127.24% increase over that period. At the time, it had a market cap of $1.96 billion and a volume of 172,148 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-0.64%1 Month Performance+2.72%3 Month Performance+12.61%Year-To-Date Performance+12.54%1 Year Performance+15.00%5 Year Performance+127.24% IBOC Stock Chart for Thursday, September, 4, 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 Capitalization09/03/2025$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 billion08/22/2025$68.86$72.36+5.08%$72.57$69.18473,086 shs$4.50 billion08/21/2025$68.46$68.86+0.58%$68.96$68.17136,552 shs$4.28 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. 08/20/2025$68.24$68.46+0.32%$68.71$68.02159,782 shs$4.26 billion08/19/2025$68.70$68.24-0.67%$69.32$68.16136,723 shs$4.24 billion08/18/2025$68.28$68.70+0.62%$68.73$67.80185,395 shs$4.27 billion08/15/2025$70.29$68.28-2.86%$69.90$67.72315,974 shs$4.24 billion08/14/2025$70.86$70.29-0.80%$70.38$69.19260,214 shs$4.37 billion08/13/2025$70.91$70.86-0.07%$71.83$70.63211,304 shs$4.40 billion08/12/2025$68.78$70.91+3.10%$71.04$69.05265,635 shs$4.41 billion08/11/2025$68.78$68.78$69.75$68.35188,851 shs$4.27 billion08/08/2025$68.86$68.78-0.12%$69.88$68.46190,715 shs$4.27 billion08/07/2025$69.36$68.86-0.72%$70.03$68.62164,659 shs$4.28 billion08/06/2025$69.48$69.36-0.17%$69.84$69.20153,871 shs$4.31 billion08/05/2025$69.20$69.48+0.40%$69.85$67.85280,038 shs$4.32 billion08/04/2025$67.44$69.20+2.61%$69.20$67.46220,209 shs$4.30 billion Related Companies First Busey Stock Price Chart Cathay General Bancorp Stock Price Chart First Financial Bancorp. Stock Price Chart Fulton Financial Stock Price Chart Hancock Whitney 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 9/4/2025 by MarketBeat.com Staff From Our PartnersCrypto Income (almost instantly)How would you like to collect a small percentage of the $4 billion changing hands daily in the crypto market? ...Awesomely, LLC | SponsoredRetire Comfortably with These New Monthly Income ETFs?Too many retirees lie awake at night, worried their savings won’t last. 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