International Bancshares (IBOC) Short Interest Ratio & Short Volume $64.66 -1.21 (-1.84%) Closing price 06/11/2025 04:00 PM EasternExtended Trading$64.66 0.00 (0.00%) As of 04:00 AM 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 Short Interest Stock AnalysisChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock International Bancshares Short Interest DataInternational Bancshares (IBOC) has a short interest of 1.07 million shares, representing 1.94% of the float (the number of shares available for trading by the public). This marks a 5.94% increase in short interest from the previous month. The short interest ratio (days to cover) is 3.9, indicating that it would take 3.9 days of the average trading volume of 253,436 shares to cover all short positions.Current Short Interest1,070,000 sharesPrevious Short Interest1,010,000 sharesChange Vs. Previous Month+5.94%Dollar Volume Sold Short$67.10 millionShort Interest Ratio3.9 Days to CoverLast Record DateMay 31, 2025Outstanding Shares62,142,000 sharesFloat Size55,120,000 sharesShort Percent of Float1.94%Today's Trading Volume125,444 sharesAverage Trading Volume253,436 sharesToday's Volume Vs. Average49% Short Selling International Bancshares? Sign up to receive the latest short interest report for International Bancshares and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartIBOC Short Interest Over TimeIBOC Days to Cover Over TimeIBOC Percentage of Float Shorted Over Time International Bancshares Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 5/31/20251,070,000 shares $67.10 million +5.9%1.9%3.9 $62.71 5/15/20251,010,000 shares $66.32 million -6.5%1.8%3.4 $65.66 4/30/20251,080,000 shares $65.92 million -0.9%2.0%3.5 $61.04 4/15/20251,090,000 shares $63.63 million +38.7%2.0%3.2 $58.38 3/31/2025785,900 shares $49.56 million -23.0%1.4%2.4 $63.06 3/15/20251,020,000 shares $64.42 million +17.9%1.9%3 $63.16 2/28/2025865,100 shares $57.96 million -25.4%1.6%2.9 $67.00 2/15/20251,160,000 shares $75.10 million +59.5%2.1%4.1 $64.74 1/31/2025727,500 shares $47.93 million +6.6%1.3%2.6 $65.89 1/15/2025682,600 shares $45.24 million +32.0%1.2%2.7 $66.28 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. 12/31/2024517,300 shares $32.67 million -21.4%0.9%2.1 $63.16 12/15/2024658,500 shares $45.96 million +4.7%1.2%2.8 $69.80 11/30/2024628,800 shares $45.98 million -11.3%1.1%3 $73.13 11/15/2024708,600 shares $50.23 million +2.3%1.3%3.4 $70.89 10/31/2024692,900 shares $42.45 million -12.7%1.3%3.4 $61.26 10/15/2024793,400 shares $50.37 million +0.1%1.5%3.8 $63.49 9/30/2024792,500 shares $47.38 million -17.4%1.5%3.6 $59.79 9/15/2024959,700 shares $58.48 million -12.8%1.8%4 $60.94 8/31/20241,100,000 shares $69.50 million -6.8%2.0%4.7 $63.18 8/15/20241,180,000 shares $70.00 million -11.3%2.2%5 $59.32 7/31/20241,330,000 shares $89.70 million +0.8%2.4%5.9 $67.44 7/15/20241,320,000 shares $82.79 million -3.7%2.4%5.9 $62.72 6/30/20241,370,000 shares $78.38 million +13.2%2.5%6.3 $57.21 6/15/20241,210,000 shares $65.23 million +17.5%2.2%5.6 $53.91 5/31/20241,030,000 shares $58.53 million -5.5%1.9%4.5 $56.83 5/15/20241,090,000 shares $66.18 million +0.9%2.0%4.6 $60.72 4/30/20241,080,000 shares $60.10 million -3.6%2.0%4.4 $55.65 4/15/20241,120,000 shares $58.99 million -0.9%2.1%4.8 $52.67 3/31/20241,130,000 shares $63.44 million +2.7%2.1%5 $56.14 3/15/20241,100,000 shares $58.76 million +21.2%2.1%4.8 $53.42 2/29/2024907,600 shares $47.10 million +14.3%1.7%3.8 $51.89 2/15/2024794,100 shares $42.40 million +8.5%1.5%3.3 $53.40 1/31/2024731,700 shares $38.68 million +26.9%1.4%3.1 $52.86 1/15/2024576,400 shares $30.33 million -7.4%1.1%2.3 $52.62 12/31/2023622,400 shares $33.81 million -14.1%1.2%2.6 $54.32 12/15/2023724,600 shares $36.98 million -30.3%1.4%3.2 $51.04 11/30/20231,040,000 shares $46.66 million +34.5%2.0%5.3 $44.87 11/15/2023773,400 shares $36.45 million -11.7%1.5%4.3 $47.13 10/31/2023876,200 shares $38.40 million +8.7%1.7%4.7 $43.83 10/15/2023806,100 shares $34.13 million -1.0%1.5%4.2 $42.34Is Elon's empire crumbling? 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Click here to see the Tesla shock that could blindside everyone. 9/30/2023814,000 shares $35.28 million +1.0%1.5%4.1 $43.34 9/15/2023805,600 shares $35.09 million -1.4%1.5%4 $43.56 8/31/2023816,800 shares $36.58 million -11.5%1.5%3.8 $44.78 8/15/2023923,100 shares $41.52 million +11.1%1.7%4.1 $44.98 7/31/2023830,700 shares $41.24 million -17.8%1.6%3.8 $49.64 7/15/20231,010,000 shares $46.32 million -1.0%1.9%4.4 $45.86 6/30/20231,020,000 shares $45.08 million -24.4%1.9%4.6 $44.20 6/15/20231,350,000 shares $63.99 million +1.5%2.5%5.7 $47.40 5/31/20231,330,000 shares $56.82 million -11.3%2.5%4.7 $42.72 5/15/20231,500,000 shares $62.99 million +12.8%2.8%5.1 $41.99 4/30/20231,330,000 shares $56.75 million +11.8%2.5%4.4 $42.67 4/15/20231,190,000 shares $49.52 million +15.5%2.2%4.2 $41.61 3/31/20231,030,000 shares $44.10 million -27.5%1.9%3.6 $42.82 3/15/20231,420,000 shares $61.86 million +75.2%2.7%5.1 $43.56 2/28/2023810,600 shares $39.34 million -14.5%1.5%3.4 $48.53 2/15/2023947,900 shares $43.68 million -8.0%1.8%4.1 $46.08 1/31/20231,030,000 shares $48.28 million +24.4%1.9%4.3 $46.87 1/15/2023827,800 shares $37.88 million -3.8%1.6%3.3 $45.76 12/30/2022860,400 shares $39.37 million +3.1%1.6%3.3 $45.76 12/15/2022834,400 shares $37.28 million +0.0%1.6%3 $44.68 11/30/2022834,100 shares $43.94 million -4.9%1.6%3.1 $52.68 11/15/2022877,100 shares $45.17 million -21.0%1.7%3.1 $51.50 10/31/20221,110,000 shares $55.06 million -1.8%2.1%4 $49.60 10/15/20221,130,000 shares $51.95 million +4.6%2.2%4.2 $45.97 9/30/20221,080,000 shares $45.90 million +13.3%2.1%4.2 $42.50 9/15/2022953,100 shares $40.67 million +15.4%1.8%4 $42.67 8/31/2022826,100 shares $34.47 million -4.8%1.6%3.6 $41.73 8/15/2022867,900 shares $39.39 million -9.3%1.7%3.9 $45.39 7/31/2022957,100 shares $41.98 million -2.4%1.8%4.4 $43.86 7/15/2022980,600 shares $39.40 million -4.8%1.9%4.3 $40.18 6/30/20221,030,000 shares $41.28 million -11.2%1.9%4.3 $40.08 6/15/20221,160,000 shares $46.49 million +6.4%2.2%4.6 $40.08 5/31/20221,090,000 shares $45.70 million -1.8%2.1%4.5 $41.93 5/15/20221,110,000 shares $44.09 million +17.3%2.1%3.8 $39.72 4/30/2022946,300 shares $37.65 million +18.0%1.8%3.4 $39.79 4/15/2022802,200 shares $32.40 million -30.2%1.5%2.8 $40.39 3/31/20221,150,000 shares $48.54 million -1.7%N/A0 $42.21 3/15/20221,170,000 shares $49.97 million +60.8%2.2%4.2 $42.71 2/28/2022727,700 shares $31.30 million +9.9%1.4%2.6 $43.01 2/15/2022662,100 shares $28.65 million -12.9%1.2%2.8 $43.27 1/31/2022760,000 shares $31.94 million +16.2%1.4%3.3 $42.03 1/15/2022654,200 shares $29.95 million +10.2%N/A0 $45.78 12/31/2021593,700 shares $25.17 million -49.7%1.1%2.9 $42.39 12/15/20211,180,000 shares $49.58 million -1.7%2.2%5.6 $42.02 11/30/20211,200,000 shares $50.41 million +100.8%2.3%5.8 $42.01 11/15/2021597,600 shares $26.77 million -23.8%1.1%2.9 $44.80 10/29/2021784,000 shares $33.24 million -15.4%1.5%3.9 $42.40 10/15/2021926,400 shares $38.66 million +33.5%1.7%4.5 $41.73 9/30/2021694,100 shares $28.90 million -13.8%1.3%3.1 $41.64 9/15/2021805,100 shares $32.59 million +4.2%1.5%3.4 $40.48The End of Elon Musk…? 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According to his research, if you listen to the media and miss out on Elon's newest breakthrough, it's going to cost you the fortune of a lifetime.Click here to see why the "End of Elon" crowd is about to be wrong again. 8/31/2021772,400 shares $32.35 million +5.7%1.5%3.5 $41.88 8/13/2021730,700 shares $31.03 million -31.1%1.4%3.2 $42.47 7/30/20211,060,000 shares $41.42 million -1.9%2.0%4.6 $39.08 7/15/20211,080,000 shares $44.64 million No Change2.0%4.9 $41.33 6/30/20211,080,000 shares $46.38 million -3.6%2.0%5.4 $42.94 6/15/20211,120,000 shares $52.07 million -8.2%2.1%6.1 $46.49 5/28/20211,220,000 shares $56.61 million +52.3%2.3%6.2 $46.40 5/14/2021801,100 shares $39.93 million +14.0%1.5%3.9 $49.84 4/30/2021702,900 shares $33.28 million +7.7%1.3%3.5 $47.35 4/15/2021652,500 shares $30.38 million -8.1%N/A0 $46.56 3/31/2021709,600 shares $33.68 million -28.4%1.3%3.3 $47.46 3/15/2021991,500 shares $51.16 million +5.7%1.9%4.4 $51.60 2/26/2021938,500 shares $41.77 million +9.7%1.8%4.6 $44.51 2/12/2021855,300 shares $35.39 million -11.6%1.6%4.5 $41.38 1/29/2021967,300 shares $38.06 million +11.6%1.8%5 $39.35 1/15/2021866,600 shares $36.83 million +1.6%1.6%4.6 $42.50 12/31/2020853,200 shares $31.81 million +56.1%1.6%4.8 $37.28 12/15/2020546,700 shares $18.98 million +9.7%1.0%3.1 $34.71 11/30/2020498,300 shares $16.75 million +23.3%0.9%2.7 $33.62 11/15/2020404,000 shares $12.43 million +3.8%0.8%2.1 $30.77 10/30/2020389,200 shares $10.60 million -6.1%0.7%2.2 $27.23 10/15/2020414,400 shares $11.42 million +6.6%0.8%2.4 $27.56 9/30/2020388,900 shares $10.13 million -39.0%0.7%2.2 $26.06 9/15/2020637,900 shares $18.91 million -15.3%1.2%3.3 $29.65 8/31/2020753,100 shares $23.78 million -11.3%1.4%3.5 $31.58 8/14/2020848,600 shares $28.70 million +2.2%1.6%3.8 $33.82 7/31/2020830,200 shares $25.25 million -12.3%1.6%3.3 $30.42 7/15/2020946,200 shares $28.05 million -7.2%1.8%3.5 $29.64 6/30/20201,020,000 shares $31.85 million +28.9%1.9%3.6 $31.23 6/15/2020791,200 shares $24.09 million -16.2%1.5%2.3 $30.45 IBOC Short Interest - Frequently Asked Questions What is International Bancshares' current short interest? Short interest is the volume of International Bancshares shares that have been sold short but have not yet been closed out or covered. As of May 31st, traders have sold 1,070,000 shares of IBOC short. 1.94% of International Bancshares' shares are currently sold short. Learn More on International Bancshares' current short interest. What is a good short interest ratio for International Bancshares? The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. IBOC shares currently have a short interest ratio of 4.0. Learn More on International Bancshares's short interest ratio. What is a good short interest percentage for International Bancshares? Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 1.94% of International Bancshares' floating shares are currently sold short. Is International Bancshares' short interest increasing or decreasing? International Bancshares saw a increase in short interest during the month of May. As of May 31st, there was short interest totaling 1,070,000 shares, an increase of 5.9% from the previous total of 1,010,000 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment. What is International Bancshares' float size? International Bancshares currently has issued a total of 62,142,000 shares. Some of International Bancshares' outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. International Bancshares currently has a public float of 55,120,000 shares. How does International Bancshares' short interest compare to its competitors? 1.94% of International Bancshares' shares are currently sold short. Here is how the short interest of companies in the industry of "regional banks" compare to International Bancshares: East West Bancorp, Inc. (3.71%), First Horizon Co. (2.78%), SouthState Co. (6.52%), Webster Financial Co. (2.27%), Commerce Bancshares, Inc. (2.42%), Pinnacle Financial Partners, Inc. (2.11%), Cullen/Frost Bankers, Inc. (3.51%), Wintrust Financial Co. (2.76%), Western Alliance Bancorporation (3.80%), UMB Financial Co. (4.61%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($64.96 billion), Invesco QQQ ($27.88 billion), iShares Russell 2000 ETF ($19.94 billion), iShares 20+ Year Treasury Bond ETF ($9.69 billion), Strategy Incorporated ($8.58 billion), SPDR S&P Biotech ETF ($5.72 billion), Invesco S&P 500 Equal Weight ETF ($5.45 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($4.70 billion), Charter Communications, Inc. ($4.54 billion), and Industrial Select Sector SPDR Fund ($4.49 billion). View all of the most shorted stocks. What does it mean to sell short International Bancshares stock? Short selling IBOC is an investing strategy that aims to generate trading profit from International Bancshares as its price is falling. IBOC shares are trading down $1.21 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit. How does a short squeeze work against International Bancshares? A short squeeze for International Bancshares occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of IBOC, which in turn drives the price of the stock up even further. How often is International Bancshares' short interest reported? Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including IBOC, twice per month. The most recent reporting period available is May, 31 2025. More Short Interest Resources from MarketBeat Related Companies EWBC Short Interest Data FHN Short Interest Data SSB Short Interest Data WBS Short Interest Data CBSH Short Interest Data PNFP Short Interest Data CFR Short Interest Data WTFC Short Interest Data WAL Short Interest Data UMBF Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:IBOC) was last updated on 6/12/2025 by MarketBeat.com Staff From Our PartnersNew Rule Hits in July — The Smart Money Already MovedA little-known regulation quietly goes into effect this July. 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