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International Bancshares (IBOC) Short Interest Ratio & Short Volume

International Bancshares logo
$72.59 +0.18 (+0.25%)
As of 02:35 PM Eastern
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International Bancshares Short Interest Overview

As of May 15, 2026, International Bancshares (IBOC) had a short interest of 1.60 million shares sold short, representing 2.98% of the public float. This marks a 2.87% increase in short interest since the prior report. The short interest ratio (days to cover) is 6.0, meaning it would take 6.0 days of the average trading volume of 344,056 shares to cover all short positions.

Current Short Interest
1,602,028 shares
Previous Short Interest
1,557,341 shares
Change Vs. Previous Month
2.87%
Dollar Volume Sold Short
$113.47 million
Short Interest Ratio
6.0 Days to Cover
Last Record Date
May 15, 2026
Outstanding Shares
62,180,000 shares
Short Percent of Float
2.98%
Today's Trading Volume
127,271 shares
Average Trading Volume
344,056 shares
Today's Volume Vs. Average
37%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

IBOC Short Interest Over Time

IBOC Days to Cover Over Time

IBOC Percentage of Float Shorted Over Time

International Bancshares Tesla Short Interest History & Recent Changes

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Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
5/15/20261,602,028 shares $113.47 million +2.9%3.0%5.96 $70.83
4/30/20261,557,341 shares $111.72 million +13.4%2.9%6.25 $71.74
4/15/20261,373,496 shares $97.75 million -2.0%2.6%3.32 $71.17
3/31/20261,401,575 shares $94.31 million -23.9%2.6%2.09 $67.29
3/13/20261,841,066 shares $124.24 million +24.0%3.4%4.85 $67.48
2/27/20261,484,699 shares $99.64 million -7.6%2.8%5.15 $67.11
2/13/20261,607,291 shares $115.84 million +20.9%3.0%5.4 $72.07
1/30/20261,329,880 shares $92.61 million +8.6%2.5%4.54 $69.64
1/15/20261,224,678 shares $86.57 million +9.3%2.3%6.04 $70.69
12/31/20251,120,570 shares $74.45 million -16.0%2.1%3.74 $66.44
12/15/20251,334,650 shares $97.24 million +6.2%2.5%4.21 $72.86
11/28/20251,256,706 shares $83.58 million +6.9%2.3%6.13 $66.51
11/14/20251,176,078 shares $77.84 million +14.1%2.2%4.59 $66.19
10/31/20251,030,956 shares $68.43 million -6.0%1.9%4.56 $66.38
10/15/20251,100,000 shares $74.64 million +6.8%2.0%5.2 $67.85
9/30/20251,030,000 shares $70.81 million -5.5%1.8%5 $68.75
9/15/20251,090,000 shares $75.91 million +22.1%1.9%4.9 $69.64
8/31/2025893,100 shares $63.89 million -16.5%1.6%4.2 $71.54
8/15/20251,070,000 shares $73.06 million +1.9%1.9%5 $68.28
7/31/20251,050,000 shares $71.59 million -4.6%2.0%5.2 $68.18
7/15/20251,100,000 shares $74.59 million -12.0%2.0%5.4 $67.81
6/30/20251,250,000 shares $83.20 million +19.1%2.3%5.5 $66.56
6/15/20251,050,000 shares $65.63 million -1.9%1.9%4.5 $62.50
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
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
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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 $42.34
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
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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 $40.48
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

IBOC Short Interest - Frequently Asked Questions

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 15th, investors have sold 1,602,028 shares of IBOC short. 2.98% of International Bancshares' shares are currently sold short. Learn More on International Bancshares' current short interest.

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 6.0. Learn More on International Bancshares's short interest ratio.

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. 2.98% of International Bancshares' floating shares are currently sold short.

International Bancshares saw a increase in short interest during the month of May. As of May 15th, there was short interest totaling 1,602,028 shares, an increase of 2.9% from the previous total of 1,557,341 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.

2.98% of International Bancshares' shares are currently sold short. Here is how the short interest of companies in the sector of "finance" compare to International Bancshares: First Busey Corporation (4.70%), Cathay General Bancorp (3.04%), First Financial Bancorp. (3.76%), Fulton Financial Corporation (4.36%), Hancock Whitney Corporation (7.19%), S&T Bancorp, Inc. (4.16%), Towne Bank (2.43%), United Bankshares, Inc. (4.05%), F.N.B. Corporation (7.63%), Home BancShares, Inc. (5.00%),

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($80.71 billion), Invesco QQQ ($47.96 billion), iShares Russell 2000 ETF ($22.13 billion), Western Digital Corporation ($14.35 billion), Sandisk Corporation ($12.86 billion), Salesforce Inc. ($10.89 billion), Nebius Group N.V. ($9.92 billion), SPDR S&P Biotech ETF ($9.72 billion), Lumentum Holdings Inc. ($8.89 billion), and iShares 20+ Year Treasury Bond ETF ($8.18 billion). View all of the most shorted stocks.

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 up $0.18 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.

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.

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, 15 2026.

Understanding short interest metrics can help you assess how traders are positioning around a stock like IBOC:

  • Shares Sold Short: The total number of shares that have been sold by short sellers but have not yet been covered or closed out. A high number may indicate bearish sentiment.
  • Short Float: The percentage of a company’s publicly available shares (or "float") that are sold short. A higher short float suggests a greater portion of the stock is being bet against.
  • Days to Cover (Short Interest Ratio): This estimates how many days it would take short sellers to cover their positions, based on average daily trading volume. Higher values can signal potential for a short squeeze if buying pressure increases.

These metrics are often used by traders to gauge sentiment, volatility risk, and the potential for price movements based on short covering activity.


Related Companies
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This page (NASDAQ:IBOC) was last updated on 5/29/2026 by MarketBeat.com Staff.
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