AT&T (STU:SOBA) Beneish M-Score: -2.88 (As of Jun. 24, 2026)


STU:SOBA AT&T Inc STU:SOBA
74 GF Score
Price €20.10
GF Value €19.22
Valuation Fairly Valued
! 3 Warning Signs
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What is AT&T Beneish M-Score?

AT&T STU:SOBA +3.99% 74 Beneish M-Score is -2.88 as of Jun. 24, 2026. GuruFocus rates STU:SOBA with a GF Score™ of 74/100 and a GF Value™ of €19.22 (Fairly Valued). The stock has 3 warning signs investors should review. Among 355 Telecommunication Services companies, AT&T ranks better than 56.62% on this metric.

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 -2.88 no higher than -1.78, which implies that the company is unlikely to be a manipulator.

The historical rank and industry rank for AT&T's Beneish M-Score or its related term are showing as below:

STU:SOBA' s Beneish M-Score Range Over the Past 10 Years
Min: -3.25   Med: -2.83   Max: -2.15
Current: -2.88

During the past 13 years, the highest Beneish M-Score of AT&T was -2.15. The lowest was -3.25. And the median was -2.83.


AT&T Beneish M-Score Historical Data

* Premium members only.

The historical data trend for AT&T's Beneish M-Score can be seen below:

* 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.

AT&T Beneish M-Score Chart

AT&T Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Beneish M-Score
Get a 7-Day Free Trial Premium Member Only Premium Member Only -3.25 -2.70 -2.87 -2.86 -2.88

AT&T Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Beneish M-Score Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -2.86 -2.86 -2.91 -2.85 -2.88

STU:SOBA vs VZ, TMUS, CMCSA: Beneish M-Score Comparison

For the Telecom Services subindustry, AT&T's Beneish M-Score, along with its competitors' market caps and Beneish M-Score data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


AT&T Beneish M-Score vs Telecommunication Services Industry

For the Telecommunication Services industry and Communication Services sector, AT&T's Beneish M-Score distribution charts can be found below:

* The bar in red indicates where AT&T's Beneish M-Score falls into.


STU:SOBA
74GF Score
AT&T Inc STU:SOBA
Beneish M-Score is just one metric. See GF Score™, valuation, warning signs, and more.
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AT&T 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 AT&T 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 * 0.8471+0.528 * 1.0024+0.404 * 0.9546+0.892 * 0.9686+0.115 * 0.9659
-0.172 * SGAI+4.679 * TATA-0.327 * LVGI
-0.172 * 0.992+4.679 * -0.065995-0.327 * 1.0275
=-2.99

* 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 (Dec25) TTM:Last Year (Dec24) TTM:
Total Receivables was €7,552 Mil.
Revenue was 28579.964 + 26164.068 + 26744.349 + 28329.05 = €109,817 Mil.
Gross Profit was 15925.392 + 16094.28 + 16210.299 + 17198.525 = €65,428 Mil.
Total Current Assets was €41,617 Mil.
Total Assets was €358,849 Mil.
Property, Plant and Equipment(Net PPE) was €131,688 Mil.
Depreciation, Depletion and Amortization(DDA) was €18,263 Mil.
Selling, General, & Admin. Expense(SGA) was €25,299 Mil.
Total Current Liabilities was €45,928 Mil.
Long-Term Debt & Capital Lease Obligation was €124,711 Mil.
Net Income was 3234.952 + 7935.528 + 3901.5 + 4024.675 = €19,097 Mil.
Non Operating Income was -56.364 + 5311.368 + 1085.484 + 1286.675 = €7,627 Mil.
Cash Flow from Operations was 9667.28 + 8649.504 + 8464.521 + 8370.325 = €35,152 Mil.
Total Receivables was €9,204 Mil.
Revenue was 30844.59 + 27221.913 + 27681.413 + 27625.76 = €113,374 Mil.
Gross Profit was 17288.365 + 16743.283 + 17051.795 + 16628.08 = €67,712 Mil.
Total Current Assets was €29,765 Mil.
Total Assets was €377,029 Mil.
Property, Plant and Equipment(Net PPE) was €143,040 Mil.
Depreciation, Depletion and Amortization(DDA) was €19,071 Mil.
Selling, General, & Admin. Expense(SGA) was €26,328 Mil.
Total Current Liabilities was €44,763 Mil.
Long-Term Debt & Capital Lease Obligation was €129,721 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)
=(7551.922 / 109817.431) / (9204.29 / 113373.676)
=0.068768 / 0.081185
=0.8471

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)
=(67711.523 / 113373.676) / (65428.496 / 109817.431)
=0.597242 / 0.595793
=1.0024

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 - (41617.128 + 131687.654) / 358849.092) / (1 - (29765.44 + 143039.9) / 377029.225)
=0.517054 / 0.541666
=0.9546

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
=109817.431 / 113373.676
=0.9686

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))
=(19070.685 / (19070.685 + 143039.9)) / (18262.763 / (18262.763 + 131687.654))
=0.11764 / 0.121792
=0.9659

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)
=(25299.14 / 109817.431) / (26327.92 / 113373.676)
=0.230375 / 0.232223
=0.992

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)
=((124711.328 + 45928.12) / 358849.092) / ((129721.47 + 44762.76) / 377029.225)
=0.475519 / 0.462787
=1.0275

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
=(19096.655 - 7627.163 - 35151.63) / 358849.092
=-0.065995

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.

AT&T has a M-score of -2.99 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 -2.88 mean?
AT&T (STU:SOBA) has a Beneish M-Score of -2.88 as of Jun. 24, 2026. The Beneish M-score measures the likelihood of earnings manipulation. View historical data on AT&T and its competitors. According to the industry distribution chart, AT&T ranks #154 out of 355 companies in the Telecommunication Services industry, placing it in the top 43.4%.
Is AT&T's Beneish M-Score too high?
AT&T's current Beneish M-Score is -2.88. Based on the distribution chart, AT&T ranks #154 out of 355 companies in the Telecommunication Services industry, which is above the industry midpoint. Overall, AT&T has a GF Score™ of 74/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does AT&T's Beneish M-Score compare to VZ and TMUS?
According to the Telecommunication Services industry distribution chart, AT&T ranks #154 out of 355 companies for Beneish M-Score. This puts AT&T in the upper 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 Telecommunication Services company?
A good Beneish M-Score depends on the Telecommunication Services 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 AT&T and its competitors. AT&T's current Beneish M-Score is -2.88. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is AT&T stock overvalued right now?
Based on GuruFocus' analysis, AT&T (STU:SOBA) is currently considered Fairly Valued. The stock's GF Value™ is €19.22, compared to a current price of €20.10 — trading 4.6% above its estimated fair value. The current Beneish M-Score is -2.88. AT&T's overall GF Score™ is 74/100 with 3 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 AT&T (STU:SOBA), the current Beneish M-Score is -2.88 as of Jun. 24, 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 AT&T (STU:SOBA) Overvalued in 2026?

Based on GuruFocus' analysis, AT&T stock appears to be overvalued. The current stock price of €20.10 is trading 4.6% above its estimated GF Value™ of €19.22. GuruFocus considers AT&T to be Fairly Valued.

Key valuation signals for STU:SOBA:

  • Beneish M-Score: -2.88
  • GF Value™: €19.22 vs. price of €20.10 (4.6% above fair value)
  • GF Score™: 74/100 with 3 warning signs

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


AT&T Business Description

Address 208 S. Akard Street, Dallas, TX, USA, 75202
The wireless business contributes nearly 70% of AT&T's revenue. The company is the third-largest US wireless carrier, connecting 74 million postpaid and 17 million prepaid phone customers. Fixed-line enterprise services, which account for about 14% of revenue, include internet access, private networking, security, voice, and wholesale network capacity. Residential services, about 11% of revenue, primarily consist of in-home broadband internet access, serving 15 million customers. AT&T also has a sizable presence in Mexico, with 25 million wireless customers, but this business only accounts for 3% of revenue. The company recently sold its 70% equity stake in satellite television provider DirecTV to its partner, private equity firm TPG.
74GF Score

Get the complete analysis for STU:SOBA

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

€20.10
Price
€19.22
GF Value