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International Bancshares (IBOC) Stock: Why It's Down Today
Updated Oct 19, 2026, 4:00 PM ET · closing price
What changed since yesterday
- Closed at $66.04, -1.93% vs the prior close of $67.34.
- Volume 346.94K shares, 1.0x its 50-day average.
- New SEC filings: 25 (Oct 16, 2026).
- No new insider buys or sales reported since the prior session.
IBOC dips 1.9% to $66.04, a 6-month low. Closed at $66.04, -1.93% vs the prior close of $67.34. Day range $65.94–$67.92, opened at $66.99.
Last close$66.04-1.93%
Day range65.94–67.92
Open66.99
Volume346.94K
52-week range63.20–78.46
Avg volume (20d)376.68K
IBOC daily analysis — what happened
A plain-English, data-only note for every US trading day (today's note updates every 2 hours while the market is open). Newest first; older days stay archived below.
Oct 19, 2026 — IBOC dips 1.9% to $66.04, a 6-month low
- Closed at $66.04, -1.93% vs the prior close of $67.34. Day range $65.94–$67.92, opened at $66.99.
- Volume was 346.94K shares, 1.0x its 50-day average of 353.53K.
- Price is -6.0% vs its 50-day average ($70.25) and -7.6% vs its 200-day average ($71.47).
- 52-week range $63.20–$78.46; today's close sits at 19% of that range, 15.8% below the 52-week high.
Oct 16, 2026 — IBOC dips 0.5% to $67.34
- Closed at $67.34, -0.46% vs the prior close of $67.65. Day range $67.28–$69.04, opened at $67.92.
- Volume was 457.93K shares, 1.3x its 50-day average of 352.20K.
- Price is -4.4% vs its 50-day average ($70.40) and -5.8% vs its 200-day average ($71.47).
- 52-week range $63.20–$78.46; today's close sits at 27% of that range, 14.2% below the 52-week high.
Oct 15, 2026 — IBOC rises 0.7% to $67.65
- Closed at $67.65, +0.74% vs the prior close of $67.15. Day range $67.32–$68.36, opened at $67.70.
- Volume was 433.50K shares, 1.2x its 50-day average of 350.16K.
- Price is -4.1% vs its 50-day average ($70.56) and -5.3% vs its 200-day average ($71.47).
- 52-week range $63.20–$78.46; today's close sits at 29% of that range, 13.8% below the 52-week high.
Oct 14, 2026 — IBOC dips 0.3% to $67.15, a 6-month low, 4 down days in a row
- Closed at $67.15, -0.31% vs the prior close of $67.36. Day range $66.40–$67.72, opened at $66.56.
- Volume was 410.70K shares, 1.2x its 50-day average of 350.82K.
- Price is -5.1% vs its 50-day average ($70.72) and -6.0% vs its 200-day average ($71.47).
- 52-week range $63.20–$78.46; today's close sits at 26% of that range, 14.4% below the 52-week high.
- That makes 4 straight losses.
Oct 13, 2026 — IBOC dips 0.6% to $67.36, a 6-month low, 3 down days in a row
- Closed at $67.36, -0.62% vs the prior close of $67.78. Day range $67.27–$68.38, opened at $68.17.
- Volume was 390.80K shares, 1.1x its 50-day average of 350.23K.
- Price is -5.0% vs its 50-day average ($70.91) and -5.8% vs its 200-day average ($71.47).
- 52-week range $63.20–$78.46; today's close sits at 27% of that range, 14.1% below the 52-week high.
- That makes 3 straight losses.
Oct 12, 2026 — IBOC ends flat (-0.2%) to $67.78, a 6-month low
- Closed at $67.78, -0.21% vs the prior close of $67.92. Day range $67.74–$68.53, opened at $67.82.
- Volume was 370.40K shares, 1.1x its 50-day average of 349.09K.
- Price is -4.6% vs its 50-day average ($71.08) and -5.2% vs its 200-day average ($71.48).
- 52-week range $63.20–$78.46; today's close sits at 30% of that range, 13.6% below the 52-week high.
Oct 9, 2026 — IBOC dips 0.7% to $67.92, a 6-month low
- Closed at $67.92, -0.70% vs the prior close of $68.40. Day range $67.75–$68.19, opened at $68.18.
- Volume was 273.60K shares, 0.8x its 50-day average of 347.38K.
- Price is -4.7% vs its 50-day average ($71.26) and -5.0% vs its 200-day average ($71.49).
- 52-week range $63.20–$78.46; today's close sits at 31% of that range, 13.4% below the 52-week high.
Oct 8, 2026 — IBOC rises 0.4% to $68.40
- Closed at $68.40, +0.43% vs the prior close of $68.11. Day range $67.63–$68.77, opened at $67.94.
- Volume was 386.50K shares, 1.1x its 50-day average of 346.82K.
- Price is -4.2% vs its 50-day average ($71.43) and -4.3% vs its 200-day average ($71.50).
- 52-week range $63.20–$78.46; today's close sits at 34% of that range, 12.8% below the 52-week high.
Oct 7, 2026 — IBOC dips 1.2% to $68.11, a 6-month low, 3 down days in a row
- Closed at $68.11, -1.20% vs the prior close of $68.94. Day range $67.59–$68.46, opened at $68.34.
- Volume was 401.60K shares, 1.2x its 50-day average of 342.82K.
- Price is -4.9% vs its 50-day average ($71.59) and -4.8% vs its 200-day average ($71.51).
- 52-week range $63.20–$78.46; today's close sits at 32% of that range, 13.2% below the 52-week high.
- That makes 3 straight losses.
Oct 6, 2026 — IBOC dips 0.8% to $68.94
- Closed at $68.94, -0.79% vs the prior close of $69.49. Day range $68.92–$69.97, opened at $69.77.
- Volume was 303.80K shares, 0.9x its 50-day average of 341.33K.
- Price is -4.0% vs its 50-day average ($71.78) and -3.6% vs its 200-day average ($71.53).
- 52-week range $63.20–$78.46; today's close sits at 38% of that range, 12.1% below the 52-week high.
- SEC filings that day: 8-K.
Oct 5, 2026 — IBOC dips 0.5% to $69.49
- Closed at $69.49, -0.50% vs the prior close of $69.84. Day range $68.93–$69.91, opened at $69.85.
- Volume was 428.40K shares, 1.3x its 50-day average of 336.90K.
- Price is -3.4% vs its 50-day average ($71.94) and -2.9% vs its 200-day average ($71.54).
- 52-week range $63.20–$78.46; today's close sits at 41% of that range, 11.4% below the 52-week high.
Oct 2, 2026 — IBOC rises 1.0% to $69.84
- Closed at $69.84, +1.04% vs the prior close of $69.12. Day range $69.19–$70.37, opened at $69.66.
- Volume was 380.50K shares, 1.1x its 50-day average of 335.46K.
- Price is -3.1% vs its 50-day average ($72.08) and -2.4% vs its 200-day average ($71.55).
- 52-week range $63.20–$78.46; today's close sits at 44% of that range, 11.0% below the 52-week high.
IBOC bull case vs bear case (from the data)
Bull case
- Latest fiscal-year net income: profit of $412.29M.
Bear case
- Price is -6.0% vs its 50-day average — short-term trend is down.
- Price is -7.6% vs its 200-day average — below the long-term trend line.
- Insider selling outweighs buying: 4 sales vs 0 open-market buys among the 4 most recent reported insider trades (Form 4, last 12 months).
IBOC latest news & SEC filings
Every SEC filing by or about IBOC in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Oct 13, 2026 · Form 8-A12B — 8-A12B filing
8-A12B filing
Oct 6, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 3.01 — Stock exchange listing notice or transfer of listing.
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
Aug 6, 2026 · Form 10-Q — Quarterly report
Quarterly report (unaudited financial statements for the quarter)
Quarter ended Jun 30, 2026:
- Net income: $95.81M (prior year $100.14M) (-4.3% vs Jun 30, 2025)
- Diluted EPS: $1.54 (prior year $1.61) (-4.3% vs Jun 30, 2025)
Aug 6, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 2.02 — Reported results of operations (earnings release).
This is a results-day filing: the earnings press release is attached as an exhibit.
Aug 3, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 8.01 — Reported other events the company considers important.
Things to know before you trade IBOC
- Last results release: Aug 6, 2026 (8-K Item 2.02). Previous ones: May 7, 2026, Feb 26, 2026, Nov 6, 2025. Based on that rhythm, the next report is likely around Nov 5, 2026 — an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 0.73% (largest 1.9%). That is a relatively calm stock.
- Liquidity: about 376.68K shares (≈$24.88M) trade per day on average.
- 52-week position: $66.04 vs a range of $63.20–$78.46 (19% of the range).
- Dividends: last ex-dividend date Aug 14, 2026 ($0.73/share); 2 payments in the past 12 months.
- Splits: none in the last 2 years.
- Insider trades (Form 4, last 12 months, recent 25 shown): 0 open-market buys, 4 sales; latest: Larry A Norton sold 10,000 shares on May 21, 2026.
- Latest filings: 8-K Oct 6, 2026; 10-Q Aug 6, 2026; 8-K Aug 6, 2026.
- Share count: 62.19M shares outstanding (Aug 3, 2026), +0.1% vs a year earlier.
- Listing: Nasdaq · industry: State Commercial Banks.
IBOC market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 19, 2026 | 66.99 | 67.92 | 65.94 | 66.04 | 346.94K |
| Oct 16, 2026 | 67.92 | 69.04 | 67.28 | 67.34 | 457.93K |
| Oct 15, 2026 | 67.70 | 68.36 | 67.32 | 67.65 | 433.50K |
| Oct 14, 2026 | 66.56 | 67.72 | 66.40 | 67.15 | 410.70K |
| Oct 13, 2026 | 68.17 | 68.38 | 67.27 | 67.36 | 390.80K |
| Oct 12, 2026 | 67.82 | 68.53 | 67.74 | 67.78 | 370.40K |
| Oct 9, 2026 | 68.18 | 68.19 | 67.75 | 67.92 | 273.60K |
| Oct 8, 2026 | 67.94 | 68.77 | 67.63 | 68.40 | 386.50K |
| Oct 7, 2026 | 68.34 | 68.46 | 67.59 | 68.11 | 401.60K |
| Oct 6, 2026 | 69.77 | 69.97 | 68.92 | 68.94 | 303.80K |
| Oct 5, 2026 | 69.85 | 69.91 | 68.93 | 69.49 | 428.40K |
| Oct 2, 2026 | 69.66 | 70.37 | 69.19 | 69.84 | 380.50K |
| Oct 1, 2026 | 68.37 | 69.20 | 67.76 | 69.12 | 552.50K |
| Sep 30, 2026 | 68.90 | 69.13 | 68.10 | 68.50 | 340.20K |
| Sep 29, 2026 | 69.53 | 69.58 | 68.60 | 68.94 | 318.60K |
| Sep 28, 2026 | 69.89 | 70.08 | 69.35 | 69.53 | 374.80K |
| Sep 25, 2026 | 69.39 | 70.19 | 69.39 | 69.94 | 344.90K |
| Sep 24, 2026 | 69.38 | 69.60 | 68.68 | 69.39 | 383.70K |
| Sep 23, 2026 | 69.70 | 70.00 | 69.10 | 69.11 | 312.70K |
| Sep 22, 2026 | 70.54 | 70.98 | 69.75 | 69.75 | 321.60K |
About International Bancshares
International Bancshares (IBOC) is listed on the Nasdaq and classified by the SEC under “State Commercial Banks”. Its business address is in LAREDO, TX. State of incorporation: TX. Fiscal year ends December 31. SEC CIK 315709.
IBOC board of directors & executives
From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).
Directors
| Name | Role | Latest filing |
|---|---|---|
| Larry A Norton | Director | May 22, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Judith I Wawroski | TREASURER/PAO | Feb 10, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 21, 2026 | Larry A Norton | Sale | 10,000 | $72.00 |
| May 21, 2026 | Larry A Norton | Sale | 10,000 | $72.00 |
| May 21, 2026 | Larry A Norton | Sale | 10,000 | $72.00 |
| May 21, 2026 | Larry A Norton | Sale | 10,000 | $72.00 |
IBOC financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Dec 31, 2025 | — | $412.29M | 6.62 | $491.06M |
| Dec 31, 2024 | — | $409.17M | 6.57 | $473.95M |
| Dec 31, 2023 | — | $411.77M | 6.62 | $474.43M |
| Dec 31, 2022 | — | $300.23M | 4.78 | $387.94M |
| Dec 31, 2021 | — | $253.92M | 4.00 | $291.68M |
Latest balance sheet: total assets $17.02B, total liabilities $13.65B, cash $451.16M (as of Jun 30, 2026).
IBOC earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| Aug 6, 2026 | 8-K Item 2.02 (results) | $75.11 |
| May 7, 2026 | 8-K Item 2.02 (results) | $73.26 |
| Feb 26, 2026 | 8-K Item 2.02 (results) | $70.77 |
| Nov 6, 2025 | 8-K Item 2.02 (results) | $67.31 |
| Aug 7, 2025 | 8-K Item 2.02 (results) | $68.86 |
| May 5, 2025 | 8-K Item 2.02 (results) | $62.74 |
| Feb 27, 2025 | 8-K Item 2.02 (results) | $65.96 |
| Nov 7, 2024 | 8-K Item 2.02 (results) | $69.96 |
| Aug 1, 2024 | 8-K Item 2.02 (results) | — |
| May 2, 2024 | 8-K Item 2.02 (results) | — |
| Feb 26, 2024 | 8-K Item 2.02 (results) | — |
| Nov 2, 2023 | 8-K Item 2.02 (results) | — |
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Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 19, 2026, 4:00 PM ET. Filings: SEC EDGAR. Refreshed every 2 hours during US market hours.