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AT&T (WBO:ATT) Cyclically Adjusted Book per Share : €22.81 (As of Mar. 2025)


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What is AT&T Cyclically Adjusted Book per Share?

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years.

AT&T's adjusted book value per share for the three months ended in Mar. 2025 was €13.336. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is €22.81 for the trailing ten years ended in Mar. 2025.

During the past 12 months, AT&T's average Cyclically Adjusted Book Growth Rate was -1.20% per year. During the past 3 years, the average Cyclically Adjusted Book Growth Rate was 1.40% per year. During the past 5 years, the average Cyclically Adjusted Book Growth Rate was 3.10% per year. During the past 10 years, the average Cyclically Adjusted Book Growth Rate was 3.40% per year. Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the Cyclically Adjusted Book Growth Rate using Cyclically Adjusted Book per Share data.

During the past 13 years, the highest 3-Year average Cyclically Adjusted Book Growth Rate of AT&T was 11.10% per year. The lowest was -0.40% per year. And the median was 3.85% per year.

As of today (2025-05-28), AT&T's current stock price is €24.27. AT&T's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2025 was €22.81. AT&T's Cyclically Adjusted PB Ratio of today is 1.06.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of AT&T was 1.70. The lowest was 0.56. And the median was 1.09.


AT&T Cyclically Adjusted Book per Share Historical Data

The historical data trend for AT&T's Cyclically Adjusted Book per Share 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.

* Premium members only.

AT&T Cyclically Adjusted Book per Share Chart

AT&T Annual Data
Trend Dec15 Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24
Cyclically Adjusted Book per Share
Get a 7-Day Free Trial Premium Member Only Premium Member Only 17.80 20.86 23.02 22.25 23.50

AT&T Quarterly Data
Jun20 Sep20 Dec20 Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25
Cyclically Adjusted Book per Share 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 23.02 22.97 21.98 23.50 22.81

Competitive Comparison of AT&T's Cyclically Adjusted Book per Share

For the Telecom Services subindustry, AT&T's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted PB Ratio 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's Cyclically Adjusted PB Ratio Distribution in the Telecommunication Services Industry

For the Telecommunication Services industry and Communication Services sector, AT&T's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where AT&T's Cyclically Adjusted PB Ratio falls into.


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AT&T Cyclically Adjusted Book per Share Calculation

E10 is a concept invented by Prof. Robert Shiller, who uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted Book per Share and the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years.

What is Cyclically Adjusted Book per Share? How do we calculate Cyclically Adjusted Book per Share?

Cyclically Adjusted Book per Share is the average of the inflation adjusted Book Value per Share of a company over the past 10 years. Let's use an example to explain.

If we want to calculate the Cyclically Adjusted Book per Share of Wal-Mart (WMT) for Dec. 31, 2010, we need to have the inflation data and the book value per share from 2001 through 2010.

We adjusted the 2001 book value per share data with the total inflation from 2001 through 2010 to the equivalent book value in 2010. If the total inflation from 2001 to 2010 is 40%, and Wal-Mart's book value is $1 a share in 2001, then the 2001's equivalent book value in 2010 is $1.4 a share. If Wal-Mart's book value is $1 again in 2002, and the total inflation from 2002 through 2010 is 35%, then the equivalent 2002 book value in 2010 is $1.35. So on and so forth, you get the equivalent book value per share of past 10 years. Then you add them together and divided the sum by the count to get Cyclically Adjusted Book per Share.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

For example, AT&T's adjusted Book Value per Share data for the three months ended in Mar. 2025 was:

Adj_Book= Book Value per Share /CPI of Mar. 2025 (Change)*Current CPI (Mar. 2025)
=13.336/134.9266*134.9266
=13.336

Current CPI (Mar. 2025) = 134.9266.

AT&T Quarterly Data

Book Value per Share CPI Adj_Book
201506 14.902 100.684 19.970
201509 17.643 100.392 23.712
201512 18.326 99.792 24.778
201603 18.005 100.470 24.180
201606 17.853 101.688 23.689
201609 17.935 101.861 23.757
201612 19.015 101.863 25.187
201703 18.836 102.862 24.708
201706 18.080 103.349 23.604
201709 17.077 104.136 22.126
201712 19.387 104.011 25.149
201803 19.250 105.290 24.669
201806 21.575 106.317 27.381
201809 21.671 106.507 27.454
201812 22.222 105.998 28.287
201903 22.450 107.251 28.243
201906 22.323 108.070 27.871
201909 22.758 108.329 28.346
201912 22.854 108.420 28.441
202003 22.580 108.902 27.976
202006 21.921 108.767 27.193
202009 20.918 109.815 25.701
202012 18.650 109.897 22.898
202103 19.470 111.754 23.507
202106 18.867 114.631 22.207
202109 19.496 115.734 22.729
202112 20.614 117.630 23.645
202203 21.440 121.301 23.848
202206 15.631 125.017 16.870
202209 17.349 125.227 18.693
202212 12.912 125.222 13.913
202303 12.986 127.348 13.759
202306 13.156 128.729 13.789
202309 13.591 129.860 14.121
202312 13.248 129.419 13.812
202403 13.414 131.776 13.735
202406 13.644 132.554 13.888
202409 12.854 133.029 13.037
202412 13.890 133.157 14.075
202503 13.336 134.927 13.336

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.


AT&T  (WBO:ATT) Cyclically Adjusted Book per Share Explanation

If a company grows much fast than inflation, Cyclically Adjusted Book per Share may underestimate the company's equity. Cyclically Adjusted PB Ratio can seem to be too high even the actual PB Ratio is low.

For the Cyclically Adjusted PB Ratio, the book value of the past 10 years are inflation-adjusted and averaged. The result is used for P/B calculation. Since it looks at the average over the last 10 years, the Cyclically Adjusted PB Ratio is also called CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

AT&T's Cyclically Adjusted PB Ratio of today is calculated as

Cyclically Adjusted PB Ratio=Share Price/Cyclically Adjusted Book per Share
=24.27/22.81
=1.06

* 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.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of AT&T was 1.70. The lowest was 0.56. And the median was 1.09.


Be Aware

Cyclically Adjusted PB Ratio works better for cyclical companies. It gives you a better idea on the company's real book value.


AT&T Cyclically Adjusted Book per Share Related Terms

Thank you for viewing the detailed overview of AT&T's Cyclically Adjusted Book per Share provided by GuruFocus.com. Please click on the following links to see related term pages.


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 firm is the third-largest US wireless carrier, connecting 72 million postpaid and 17 million prepaid phone customers. Fixed-line enterprise services, which account for about 15% of revenue, include internet access, private networking, security, voice, and wholesale network capacity. Residential fixed-line services, about 11% of revenue, primarily consist of broadband internet access, serving 14 million customers. AT&T also has a sizable presence in Mexico, with 23 million customers, but this business only accounts for 4% of revenue. The firm recently agreed to sell its 70% equity stake in satellite television provider DirecTV to its partner, private equity firm TPG.