SO (Southern Co) Cyclically Adjusted PS Ratio: 3.49 (As of Jul. 06, 2026) — 28% Above Median


SO Southern Co SO
75 GF Score
Price $96.13
GF Value $94.21
Valuation Fairly Valued
! 12 Warning Signs
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What is Southern Co Cyclically Adjusted PS Ratio?

Southern Co SO -1.89% 75 Cyclically Adjusted PS Ratio is 3.49 as of Jul. 06, 2026, which is 28% above its 10-year median of 2.72. GuruFocus rates SO with a GF Score™ of 75/100 and a GF Value™ of $94.21 (Fairly Valued). The stock has 12 warning signs investors should review. Among 442 Utilities - Regulated companies, Southern Co ranks worse than 83.71% on this metric.

As of today (2026-07-06), Southern Co's current share price is $96.125. Southern Co's Cyclically Adjusted Revenue per Share for the quarter that ended in Mar. 2026 was $27.55. Southern Co's Cyclically Adjusted PS Ratio for today is 3.49.

The historical rank and industry rank for Southern Co's Cyclically Adjusted PS Ratio or its related term are showing as below:

SO' s Cyclically Adjusted PS Ratio Range Over the Past 10 Years
Min: 1.91   Med: 2.72   Max: 3.66
Current: 3.56

During the past years, Southern Co's highest Cyclically Adjusted PS Ratio was 3.66. The lowest was 1.91. And the median was 2.72.

SO's Cyclically Adjusted PS Ratio is ranked worse than
83.71% of 442 companies
in the Utilities - Regulated industry
Industry Median: 1.43 vs SO: 3.56

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 PS Ratio. The Cyclically Adjusted Revenue per Share is the average of the inflation adjusted revenue per share of a company over the past 10 years.

Southern Co's adjusted revenue per share data for the three months ended in Mar. 2026 was $7.444. Add all the adjusted revenue per share for the past 10 years together and divide 10 will get our Cyclically Adjusted Revenue per Share, which is $27.55 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Southern Co  (NYSE:SO) Cyclically Adjusted PS Ratio Explanation

Compared with the regular PS Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PS Ratio smoothed out the fluctuations of revenue during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PS Ratio should give similar results to regular PS Ratio.


Southern Co Cyclically Adjusted PS Ratio Related Terms


Southern Co Cyclically Adjusted PS Ratio Historical Data

* Premium members only.

The historical data trend for Southern Co's Cyclically Adjusted PS Ratio 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 PS Ratio Chart

Southern Co Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PS Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 2.95 2.85 2.73 3.15 3.24

Southern Co Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Cyclically Adjusted PS Ratio 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 3.46 3.43 3.53 3.24 3.50

SO vs DUK, AEP, D: Cyclically Adjusted PS Ratio Comparison

For the Utilities - Regulated Electric subindustry, Southern Co's Cyclically Adjusted PS Ratio, along with its competitors' market caps and Cyclically Adjusted PS 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 PS Ratio vs Utilities - Regulated Industry

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

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


SO
75GF Score
Southern Co SO
Cyclically Adjusted PS Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Southern Co Cyclically Adjusted PS Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PS Ratio takes the Revenue per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/S calculation. Because it considers this 10-year average, it's often referred to as the CAPS Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PS Ratio.

Southern Co's Cyclically Adjusted PS Ratio for today is calculated as

Cyclically Adjusted PS Ratio=Share Price/ Cyclically Adjusted Revenue per Share
=96.125/27.55
=3.49

* 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's Cyclically Adjusted Revenue per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, Southern Co's adjusted Revenue per Share data for the three months ended in Mar. 2026 was:

Adj_RevenuePerShare=Revenue per Share/CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=7.444/330.2130*330.2130
=7.444

Current CPI (Mar. 2026) = 330.2130.

Southern Co Quarterly Data

Revenue per Share CPI Adj_RevenuePerShare
201606 4.744 241.018 6.500
201609 6.425 241.428 8.788
201612 5.197 241.432 7.108
201703 5.771 243.801 7.816
201706 5.403 244.955 7.284
201709 6.140 246.819 8.215
201712 5.534 246.524 7.413
201803 6.272 249.554 8.299
201806 5.549 251.989 7.272
201809 5.985 252.439 7.829
201812 5.147 251.233 6.765
201903 5.179 254.202 6.728
201906 4.846 256.143 6.247
201909 5.672 256.759 7.295
201912 4.623 256.974 5.941
202003 4.703 258.115 6.017
202006 4.346 257.797 5.567
202009 5.282 260.280 6.701
202012 4.791 260.474 6.074
202103 5.544 264.877 6.912
202106 4.872 271.696 5.921
202109 5.841 274.310 7.031
202112 5.385 278.802 6.378
202203 6.219 287.504 7.143
202206 6.722 296.311 7.491
202209 7.700 296.808 8.567
202212 6.430 296.797 7.154
202303 5.902 301.836 6.457
202306 5.235 305.109 5.666
202309 6.351 307.789 6.814
202312 5.505 306.746 5.926
202403 6.042 312.332 6.388
202406 5.865 314.175 6.164
202409 6.595 315.301 6.907
202412 5.754 315.605 6.020
202503 7.036 319.799 7.265
202506 6.293 322.561 6.442
202509 7.048 324.800 7.165
202512 6.278 324.054 6.397
202603 7.444 330.213 7.444

Add all the adjusted revenue per share together and divide 10 will get our Cyclically Adjusted Revenue 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.

What does a Cyclically Adjusted PS Ratio of 3.49 mean?
Southern Co (SO) has a Cyclically Adjusted PS Ratio of 3.49 as of Jul. 06, 2026. Cyclically Adjusted PS Ratio is the ratio of share price to a company's inflation-adjusted revenue per share over a 10-year period. View historical data on Southern Co and its competitors. This is 28% above median its historical median of 2.72. Over the past decade, Southern Co's Cyclically Adjusted PS Ratio has ranged from 1.91 to 3.66. According to the industry distribution chart, Southern Co ranks #370 out of 442 companies in the Utilities - Regulated industry, placing it in the top 83.7%.
Is Southern Co's Cyclically Adjusted PS Ratio too high?
Southern Co's current Cyclically Adjusted PS Ratio of 3.49 is 28% above median its 10-year median of 2.72. Over the past 10 years, this metric has ranged from a low of 1.91 to a high of 3.66. The Utilities - Regulated industry median Cyclically Adjusted PS Ratio is 1.43. Southern Co's value of 3.49 is 144.1% above this industry median. Based on the distribution chart, Southern Co ranks #370 out of 442 companies in the Utilities - Regulated industry, which is in the bottom quartile relative to peers. Overall, Southern Co has a GF Score™ of 75/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Southern Co's Cyclically Adjusted PS Ratio compare to DUK and AEP?
According to the Utilities - Regulated industry distribution chart, Southern Co ranks #370 out of 442 companies for Cyclically Adjusted PS Ratio. This places Southern Co in the lower half of its industry. The industry median Cyclically Adjusted PS Ratio is 1.43. Southern Co's value of 3.49 is 144.1% above this benchmark. Historically, Southern Co's own Cyclically Adjusted PS Ratio has ranged from 1.91 to 3.66 over the past decade. While the company's 10-year median is 2.72 vs. the industry median of 1.43, Southern Co has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Cyclically Adjusted PS Ratio for an Utilities - Regulated company?
The median Cyclically Adjusted PS Ratio among Utilities - Regulated companies is 1.43, based on 442 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PS Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PS Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Southern Co's current Cyclically Adjusted PS Ratio of 3.49 is 144.1% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Cyclically Adjusted PS Ratio mean?
A high Cyclically Adjusted PS Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PS Ratio is the ratio of share price to a company's inflation-adjusted revenue per share over a 10-year period. View historical data on Southern Co and its competitors. For the Utilities - Regulated industry, the median Cyclically Adjusted PS Ratio is 1.43 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Southern Co's current Cyclically Adjusted PS Ratio is 3.49, which is 28% above median its own 10-year median of 2.72. 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 (SO) is currently considered Fairly Valued. The stock's GF Value™ is $94.21, compared to a current price of $96.13 — trading 2% above its estimated fair value. The current Cyclically Adjusted PS Ratio is 3.49, which is 28% above median its 10-year median of 2.72 and 144.1% above the Utilities - Regulated industry median of 1.43. Southern Co's overall GF Score™ is 75/100 with 12 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PS Ratio calculated?
Cyclically Adjusted PS Ratio is calculated from a company's financial statements. For Southern Co (SO), the current Cyclically Adjusted PS Ratio is 3.49 as of Jul. 06, 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 (SO) Overvalued in 2026?

Based on GuruFocus' analysis, Southern Co stock appears to be overvalued. The current stock price of $96.13 is trading 2% above its estimated GF Value™ of $94.21. GuruFocus considers Southern Co to be Fairly Valued.

Key valuation signals for SO:

  • Cyclically Adjusted PS Ratio: 3.49 (28% above median its 10-year median of 2.72)
  • GF Value™: $94.21 vs. price of $96.13 (2% above fair value)
  • GF Score™: 75/100 with 12 warning signs
  • Industry Position: 144.1% above the Utilities - Regulated median (#370 of 442)

No single metric tells the full story. See the 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.
75GF Score

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

$96.13
Price
$94.21
GF Value