International Bancshares (MEX:IBOC) Beneish M-Score: -2.37 (As of Aug. 19, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

MEX:IBOC International Bancshares Corp MEX:IBOC
71 GF Score
Price MXN1,495.00
GF Value MXN1,372.53
! 4 Warning Signs
View Full Analysis

What is International Bancshares Beneish M-Score?

International Bancshares MEX:IBOC 71 Beneish M-Score is -2.37 as of Aug. 19, 2026. GuruFocus rates MEX:IBOC with a GF Score™ of 71/100 and a GF Value™ of MXN1,372.53. The stock has 4 warning signs investors should review. Among 1,392 Banks companies, International Bancshares ranks worse than 55.82% on this metric.

Note: Financial institutions were excluded from the sample in Beneish paper when calculating Beneish M-Score. Thus, the prediction might not fit banks and insurance companies.

The zones of discrimination for M-Score is as such:

An M-Score of equal or less than -1.78 suggests that the company is unlikely to be a manipulator.
An M-Score of greater than -1.78 signals that the company is likely to be a manipulator.

Good Sign:

Beneish M-Score -2.37 no higher than -1.78, which implies that the company is unlikely to be a manipulator.

The historical rank and industry rank for International Bancshares's Beneish M-Score or its related term are showing as below:

MEX:IBOC' s Beneish M-Score Range Over the Past 10 Years
Min: -2.72   Med: -2.42   Max: -1.62
Current: -2.37

During the past 13 years, the highest Beneish M-Score of International Bancshares was -1.62. The lowest was -2.72. And the median was -2.42.

MEX:IBOC
71GF Score
International Bancshares Corp MEX:IBOC
Beneish M-Score is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

International Bancshares Beneish M-Score Calculation

The M-score was created by Professor Messod Beneish. Instead of measuring the bankruptcy risk (Altman Z-Score) or business trend (Piotroski F-Score), M-score can be used to detect the risk of earnings manipulation. This is the original research paper on M-score.

The M-Score Variables:

The M-score of International Bancshares for today is based on a combination of the following eight different indices:

M=-4.84+0.92 * DSRI+0.528 * GMI+0.404 * AQI+0.892 * SGI+0.115 * DEPI
=-4.84+0.92 * 1.0288+0.528 * 1+0.404 * 1.0013+0.892 * 0.9357+0.115 * 0.9198
-0.172 * SGAI+4.679 * TATA-0.327 * LVGI
-0.172 * 0.9865+4.679 * -0.003455-0.327 * 0.6803
=-2.43

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

This Year (Jun26) TTM:Last Year (Jun25) TTM:
Total Receivables was MXN1,357 Mil.
Revenue was 3748.412 + 3759.061 + 3919.967 + 4000.54 = MXN15,428 Mil.
Gross Profit was 3748.412 + 3759.061 + 3919.967 + 4000.54 = MXN15,428 Mil.
Total Current Assets was MXN0 Mil.
Total Assets was MXN297,016 Mil.
Property, Plant and Equipment(Net PPE) was MXN7,345 Mil.
Depreciation, Depletion and Amortization(DDA) was MXN442 Mil.
Selling, General, & Admin. Expense(SGA) was MXN3,035 Mil.
Total Current Liabilities was MXN0 Mil.
Long-Term Debt & Capital Lease Obligation was MXN2,078 Mil.
Net Income was 1671.824 + 1842.689 + 1924.521 + 1988.053 = MXN7,427 Mil.
Non Operating Income was 0 + 0 + 0 + 0 = MXN0 Mil.
Cash Flow from Operations was 1644.115 + 2177.088 + 2519.79 + 2112.408 = MXN8,453 Mil.
Total Receivables was MXN1,409 Mil.
Revenue was 3919.505 + 4055.265 + 4343.325 + 4170.09 = MXN16,488 Mil.
Gross Profit was 3919.505 + 4055.265 + 4343.325 + 4170.09 = MXN16,488 Mil.
Total Current Assets was MXN0 Mil.
Total Assets was MXN309,972 Mil.
Property, Plant and Equipment(Net PPE) was MXN8,066 Mil.
Depreciation, Depletion and Amortization(DDA) was MXN445 Mil.
Selling, General, & Admin. Expense(SGA) was MXN3,288 Mil.
Total Current Liabilities was MXN0 Mil.
Long-Term Debt & Capital Lease Obligation was MXN3,188 Mil.




1. DSRI = Days Sales in Receivables Index

Measured as the ratio of Revenue in Total Receivables in year t to year t-1.

A large increase in DSR could be indicative of revenue inflation.

DSRI=(Receivables_t / Revenue_t) / (Receivables_t-1 / Revenue_t-1)
=(1356.573 / 15427.98) / (1409.215 / 16488.185)
=0.087929 / 0.085468
=1.0288

2. GMI = Gross Margin Index

Measured as the ratio of gross margin in year t-1 to gross margin in year t.

Gross margin has deteriorated when this index is above 1. A firm with poorer prospects is more likely to manipulate earnings.

GMI=GrossMargin_t-1 / GrossMargin_t
=(GrossProfit_t-1 / Revenue_t-1) / (GrossProfit_t / Revenue_t)
=(16488.185 / 16488.185) / (15427.98 / 15427.98)
=1 / 1
=1

3. AQI = Asset Quality Index

AQI is the ratio of asset quality in year t to year t-1.

Asset quality is measured as the ratio of non-current assets other than Property, Plant and Equipment to Total Assets.

AQI=(1 - (CurrentAssets_t + PPE_t) / TotalAssets_t) / (1 - (CurrentAssets_t-1 + PPE_t-1) / TotalAssets_t-1)
=(1 - (0 + 7345.069) / 297016.006) / (1 - (0 + 8065.751) / 309972.203)
=0.97527 / 0.973979
=1.0013

4. SGI = Sales Growth Index

Ratio of Revenue in year t to sales in year t-1.

Sales growth is not itself a measure of manipulation. However, growth companies are likely to find themselves under pressure to manipulate in order to keep up appearances.

SGI=Sales_t / Sales_t-1
=Revenue_t / Revenue_t-1
=15427.98 / 16488.185
=0.9357

5. DEPI = Depreciation Index

Measured as the ratio of the rate of Depreciation, Depletion and Amortization in year t-1 to the corresponding rate in year t.

DEPI greater than 1 indicates that assets are being depreciated at a slower rate. This suggests that the firm might be revising useful asset life assumptions upwards, or adopting a new method that is income friendly.

DEPI=(Depreciation_t-1 / (Depreciaton_t-1 + PPE_t-1)) / (Depreciation_t / (Depreciaton_t + PPE_t))
=(444.777 / (444.777 + 8065.751)) / (442.488 / (442.488 + 7345.069))
=0.052262 / 0.05682
=0.9198

Note: If the Depreciation, Depletion and Amortization data is not available, we assume that the depreciation rate is constant and set the Depreciation Index to 1.

6. SGAI = Sales, General and Administrative expenses Index

The ratio of Selling, General, & Admin. Expense(SGA) to Sales in year t relative to year t-1.

SGA expenses index > 1 means that the company is becoming less efficient in generate sales.

SGAI=(SGA_t / Sales_t) / (SGA_t-1 /Sales_t-1)
=(3034.796 / 15427.98) / (3287.724 / 16488.185)
=0.196707 / 0.199399
=0.9865

7. LVGI = Leverage Index

The ratio of total debt to Total Assets in year t relative to yeat t-1.

An LVGI > 1 indicates an increase in leverage

LVGI=((LTD_t + CurrentLiabilities_t) / TotalAssets_t) / ((LTD_t-1 + CurrentLiabilities_t-1) / TotalAssets_t-1)
=((2078.054 + 0) / 297016.006) / ((3187.878 + 0) / 309972.203)
=0.006996 / 0.010284
=0.6803

8. TATA = Total Accruals to Total Assets

Total accruals calculated as the change in working capital accounts other than cash less depreciation.

TATA=(IncomefromContinuingOperations_t - CashFlowsfromOperations_t) / TotalAssets_t
=(NetIncome_t - NonOperatingIncome_t - CashFlowsfromOperations_t) / TotalAssets_t
=(7427.087 - 0 - 8453.401) / 297016.006
=-0.003455

An M-Score of equal or less than -1.78 suggests that the company is unlikely to be a manipulator. An M-Score of greater than -1.78 signals that the company is likely to be a manipulator.

International Bancshares has a M-score of -2.43 suggests that the company is unlikely to be a manipulator.

Frequently Asked Questions Learn more about Beneish M-Score →
What does a Beneish M-Score of -2.37 mean?
International Bancshares (MEX:IBOC) has a Beneish M-Score of -2.37 as of Aug. 19, 2026. The Beneish M-score measures the likelihood of earnings manipulation. View historical data on International Bancshares and its competitors. According to the industry distribution chart, International Bancshares ranks #777 out of 1392 companies in the Banks industry, placing it in the top 55.8%.
Is International Bancshares' Beneish M-Score too high?
International Bancshares' current Beneish M-Score is -2.37. Based on the distribution chart, International Bancshares ranks #777 out of 1392 companies in the Banks industry, which is below the industry midpoint. Overall, International Bancshares has a GF Score™ of 71/100, reflecting its overall financial health beyond just this single metric.
How does International Bancshares' Beneish M-Score compare to SFBS and FULT?
According to the Banks industry distribution chart, International Bancshares ranks #777 out of 1392 companies for Beneish M-Score. This places International Bancshares in the lower half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Beneish M-Score for a Banks company?
A good Beneish M-Score depends on the Banks industry context. However, Beneish M-Score should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Beneish M-Score mean?
A high Beneish M-Score can signal that a stock is expensive relative to its fundamentals. The Beneish M-score measures the likelihood of earnings manipulation. View historical data on International Bancshares and its competitors. International Bancshares's current Beneish M-Score is -2.37. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is International Bancshares stock overvalued right now?
International Bancshares (MEX:IBOC) has a current Beneish M-Score of -2.37. The stock's GF Value™ is MXN1,372.53, compared to a current price of MXN1,495.00 — trading 8.9% above its estimated fair value. The current Beneish M-Score is -2.37. International Bancshares' overall GF Score™ is 71/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Beneish M-Score calculated?
Beneish M-Score is calculated from a company's financial statements. For International Bancshares (MEX:IBOC), the current Beneish M-Score is -2.37 as of Aug. 19, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is International Bancshares (MEX:IBOC) Overvalued in 2026?

Based on GuruFocus' analysis, International Bancshares stock appears to be overvalued. The current stock price of MXN1,495.00 is trading 8.9% above its estimated GF Value™ of MXN1,372.53.

Key valuation signals for MEX:IBOC:

  • Beneish M-Score: -2.37
  • GF Value™: MXN1,372.53 vs. price of MXN1,495.00 (8.9% above fair value)
  • GF Score™: 71/100 with 4 warning signs

No single metric tells the full story. See the MEX:IBOC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


International Bancshares Business Description

Other Exchanges IBOC:USAIB4:Germany
Address 1200 San Bernardo Avenue, Laredo, TX, USA, 78042-1359
International Bancshares Corp is a registered multibank financial holding company providing a diversified range of commercial and retail banking services in its main banking and branch facilities located in north, south, central, and southeast Texas and the State of Oklahoma.. The company provides commercial and retail banking services in Texas and Oklahoma. The services provided by the bank include checking, savings, bank cards, lending, insurance, mortgage, investments, and other services.
71GF Score

Get the complete analysis for MEX:IBOC

Beneish M-Score is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

MXN1,495.00
Price
MXN1,372.53
GF Value