Southern Co (MEX:SO) Cyclically Adjusted Book per Share: MXN530.67 (As of Jun. 2026)

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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.
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MEX:SO Southern Co MEX:SO
65 GF Score
Price MXN1,622.00
GF Value MXN1,617.02
Valuation Fairly Valued
! 8 Warning Signs
View Full Analysis

What is Southern Co Cyclically Adjusted Book per Share?

Southern Co MEX:SO 65 Cyclically Adjusted Book per Share is MXN530.67 as of Jun. 2026. GuruFocus rates MEX:SO with a GF Score™ of 65/100 and a GF Value™ of MXN1,617.02 (Fairly Valued). The stock has 8 warning signs investors should review.

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.

Southern Co's adjusted book value per share for the three months ended in Jun. 2026 was MXN600.208. 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 MXN530.67 for the trailing ten years ended in Jun. 2026.

During the past 12 months, Southern Co's average Cyclically Adjusted Book Growth Rate was 4.00% per year. During the past 3 years, the average Cyclically Adjusted Book Growth Rate was 3.30% per year. During the past 5 years, the average Cyclically Adjusted Book Growth Rate was 4.80% per year. During the past 10 years, the average Cyclically Adjusted Book Growth Rate was 4.80% 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 Southern Co was 6.20% per year. The lowest was 0.00% per year. And the median was 3.30% per year.

As of today (2026-08-01), Southern Co's current stock price is MXN1622.00. Southern Co's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was MXN530.67. Southern Co's Cyclically Adjusted PB Ratio of today is 3.06.

During the past 13 years, the highest Cyclically Adjusted PB Ratio of Southern Co was 3.11. The lowest was 1.88. And the median was 2.41.


Southern Co  (MEX:SO) 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.

Southern Co's Cyclically Adjusted PB Ratio of today is calculated as

Cyclically Adjusted PB Ratio=Share Price/Cyclically Adjusted Book per Share
=1622.00/530.67
=3.06

* 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 Southern Co was 3.11. The lowest was 1.88. And the median was 2.41.


Be Aware

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


Southern Co Cyclically Adjusted Book per Share Related Terms


Southern Co Cyclically Adjusted Book per Share Historical Data

* Premium members only.

The historical data trend for Southern Co'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.

Southern Co Cyclically Adjusted Book per Share Chart

Southern Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted Book per Share
Get a 7-Day Free Trial Premium Member Only Premium Member Only 472.42 617.95 652.40 624.36 569.85

Southern Co Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 577.94 559.00 569.85 568.63 530.67

MEX:SO vs DUK, AEP, D: Cyclically Adjusted Book per Share Comparison

For the Utilities - Regulated Electric subindustry, Southern Co'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.


Southern Co Cyclically Adjusted PB Ratio vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, Southern Co's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Southern Co's Cyclically Adjusted PB Ratio falls into.


MEX:SO
65GF Score
Southern Co MEX:SO
Cyclically Adjusted Book per Share is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Southern Co 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, Southern Co's adjusted Book Value per Share data for the three months ended in Jun. 2026 was:

Adj_Book= Book Value per Share /CPI of Jun. 2026 (Change)*Current CPI (Jun. 2026)
=600.208/333.9520*333.9520
=600.208

Current CPI (Jun. 2026) = 333.9520.

Southern Co Quarterly Data

Book Value per Share CPI Adj_Book
201609 484.315 241.428 669.922
201612 515.487 241.432 713.029
201703 475.061 243.801 650.726
201706 422.695 244.955 576.268
201709 435.460 246.819 589.188
201712 471.046 246.524 638.099
201803 443.152 249.554 593.024
201806 457.962 251.989 606.921
201809 452.259 252.439 598.294
201812 469.570 251.233 624.177
201903 492.961 254.202 647.616
201906 494.322 256.143 644.483
201909 517.921 256.759 673.631
201912 492.635 256.974 640.207
202003 615.647 258.115 796.531
202006 604.737 257.797 783.380
202009 591.656 260.280 759.124
202012 526.680 260.474 675.253
202103 549.957 264.877 693.376
202106 530.143 271.696 651.619
202109 556.615 274.310 677.637
202112 539.441 278.802 646.148
202203 530.267 287.504 615.935
202206 543.753 296.311 612.827
202209 577.191 296.808 649.423
202212 539.431 296.797 606.961
202303 504.646 301.836 558.341
202306 482.178 305.109 527.760
202309 501.140 307.789 543.738
202312 489.302 306.746 532.699
202403 484.489 312.332 518.026
202406 543.109 314.175 577.297
202409 598.391 315.301 633.788
202412 630.188 315.605 666.823
202503 629.239 319.799 657.087
202506 582.208 322.561 602.768
202509 583.127 324.800 599.558
202512 579.407 324.054 597.105
202603 593.816 330.213 600.540
202606 600.208 333.952 600.208

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

What does a Cyclically Adjusted Book per Share of MXN530.67 mean?
Southern Co (MEX:SO) has a Cyclically Adjusted Book per Share of MXN530.67 as of Jun. 2026. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on Southern Co and its competitors.
Is Southern Co's Cyclically Adjusted Book per Share too high?
Southern Co's current Cyclically Adjusted Book per Share is MXN530.67. Overall, Southern Co has a GF Score™ of 65/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Southern Co's Cyclically Adjusted Book per Share compare to DUK and AEP?
Southern Co's Cyclically Adjusted Book per Share of MXN530.67 can be compared against companies in the Utilities - Regulated industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted Book per Share for an Utilities - Regulated company?
A good Cyclically Adjusted Book per Share depends on the Utilities - Regulated industry context. However, Cyclically Adjusted Book per Share 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 Cyclically Adjusted Book per Share mean?
A high Cyclically Adjusted Book per Share can signal that a stock is expensive relative to its fundamentals. Cyclically adjusted book value per share represents the company's inflation-adjusted book value per share over a 10-year period. View historical data on Southern Co and its competitors. Southern Co's current Cyclically Adjusted Book per Share is MXN530.67. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Southern Co stock overvalued right now?
Based on GuruFocus' analysis, Southern Co (MEX:SO) is currently considered Fairly Valued. The stock's GF Value™ is MXN1,617.02, compared to a current price of MXN1,622.00 — trading 0.3% above its estimated fair value. The current Cyclically Adjusted Book per Share is MXN530.67. Southern Co's overall GF Score™ is 65/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted Book per Share calculated?
Cyclically Adjusted Book per Share is calculated from a company's financial statements. For Southern Co (MEX:SO), the current Cyclically Adjusted Book per Share is MXN530.67 as of Jun. 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 Southern Co (MEX:SO) Overvalued in 2026?

Based on GuruFocus' analysis, Southern Co stock appears to be overvalued. The current stock price of MXN1,622.00 is trading 0.3% above its estimated GF Value™ of MXN1,617.02. GuruFocus considers Southern Co to be Fairly Valued.

Key valuation signals for MEX:SO:

  • Cyclically Adjusted Book per Share: MXN530.67
  • GF Value™: MXN1,617.02 vs. price of MXN1,622.00 (0.3% above fair value)
  • GF Score™: 65/100 with 8 warning signs

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


Southern Co Business Description

Address 30 Ivan Allen Jr. Boulevard, Northwest, Atlanta, GA, USA, 30308
Southern is one of the largest utilities in the US. The company serves 9 million customers with vertically integrated electric utilities in three states and natural gas distribution utilities in four states. It owns 46 gigawatts of rate-regulated generating capacity, primarily for serving customers in Georgia, Alabama, and Mississippi. Subsidiary Southern Power owns 13 gigawatts of natural gas generation and renewable energy across the US and sells the electricity primarily under long-term contracts.
65GF Score

Get the complete analysis for MEX:SO

Cyclically Adjusted Book per Share is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

MXN1,622.00
Price
MXN1,617.02
GF Value