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Alliant EnergyBSP:A1EN34 79 Cyclically Adjusted PS Ratio is 4.08 as of Sep. 02, 2026, which is 30% above its 10-year median of 3.13. GuruFocus rates BSP:A1EN34 with a GF Score™ of 79/100 and a GF Value™ of R$354.50. The stock has 8 warning signs investors should review. Among 438 Utilities - Regulated companies, Alliant Energy ranks worse than 84.7% on this metric.
The historical rank and industry rank for Alliant Energy's Cyclically Adjusted PS Ratio or its related term are showing as below:
BSP:A1EN34'
s Cyclically Adjusted PS Ratio Range Over the Past 10 Years
Min: 2.19 Med: 3.13 Max: 4.22
Current: 3.68
During the past years, Alliant Energy's highest Cyclically Adjusted PS Ratio was 4.22. The lowest was 2.19. And the median was 3.13.
BSP:A1EN34's Cyclically Adjusted PS Ratio is ranked worse than 84.7% of 438
companies
in the Utilities - Regulated industry
Industry Median: 1.405
vs BSP:A1EN34: 3.68
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.
Alliant Energy's adjusted revenue per share data for the three months ended in Jun. 2026 was R$19.071. 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 R$87.83 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
Alliant Energy (BSP:A1EN34) 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.
Alliant Energy Cyclically Adjusted PS Ratio Related Terms
Alliant Energy Cyclically Adjusted PS Ratio Historical Data
* Premium members only.
The historical data trend for Alliant Energy'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.
BSP:A1EN34 vs EVRG, CMS, PNW: Cyclically Adjusted PS Ratio Comparison
For the Utilities - Regulated Electric subindustry, Alliant Energy'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.
Alliant Energy Cyclically Adjusted PS Ratio vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Alliant Energy's Cyclically Adjusted PS Ratio distribution charts can be found below:
* The bar in red indicates where Alliant Energy's Cyclically Adjusted PS Ratio falls into.
Alliant Energy 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.
Alliant Energy's Cyclically Adjusted PS Ratio for today is calculated as
* 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.
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 4.08 mean?
Alliant Energy (BSP:A1EN34) has a Cyclically Adjusted PS Ratio of 4.08 as of Sep. 02, 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 Alliant Energy and its competitors. This is 30% above median its historical median of 3.13. Over the past decade, Alliant Energy's Cyclically Adjusted PS Ratio has ranged from 2.19 to 4.22. According to the industry distribution chart, Alliant Energy ranks #371 out of 438 companies in the Utilities - Regulated industry, placing it in the top 84.7%.
Is Alliant Energy's Cyclically Adjusted PS Ratio too high?
Alliant Energy's current Cyclically Adjusted PS Ratio of 4.08 is 30% above median its 10-year median of 3.13. Over the past 10 years, this metric has ranged from a low of 2.19 to a high of 4.22. The Utilities - Regulated industry median Cyclically Adjusted PS Ratio is 1.41. Alliant Energy's value of 4.08 is 190.4% above this industry median. Based on the distribution chart, Alliant Energy ranks #371 out of 438 companies in the Utilities - Regulated industry, which is in the bottom quartile relative to peers. Overall, Alliant Energy has a GF Score™ of 79/100, reflecting its overall financial health beyond just this single metric.
How does Alliant Energy's Cyclically Adjusted PS Ratio compare to EVRG and CMS?
According to the Utilities - Regulated industry distribution chart, Alliant Energy ranks #371 out of 438 companies for Cyclically Adjusted PS Ratio. This places Alliant Energy in the lower half of its industry. The industry median Cyclically Adjusted PS Ratio is 1.41. Alliant Energy's value of 4.08 is 190.4% above this benchmark. Historically, Alliant Energy's own Cyclically Adjusted PS Ratio has ranged from 2.19 to 4.22 over the past decade. While the company's 10-year median is 3.13 vs. the industry median of 1.41, Alliant Energy 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 1.41, based on 438 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. Alliant Energy's current Cyclically Adjusted PS Ratio of 4.08 is 190.4% 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 Alliant Energy and its competitors. For the Utilities - Regulated industry, the median Cyclically Adjusted PS Ratio is 1.41 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Alliant Energy's current Cyclically Adjusted PS Ratio is 4.08, which is 30% above median its own 10-year median of 3.13. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Alliant Energy stock overvalued right now?
Alliant Energy (BSP:A1EN34) has a current Cyclically Adjusted PS Ratio of 4.08. The stock's GF Value™ is R$354.50, compared to a current price of R$358.72 — trading 1.2% above its estimated fair value. The current Cyclically Adjusted PS Ratio is 4.08, which is 30% above median its 10-year median of 3.13 and 190.4% above the Utilities - Regulated industry median of 1.41. Alliant Energy's overall GF Score™ is 79/100 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 PS Ratio calculated?
Cyclically Adjusted PS Ratio is calculated from a company's financial statements. For Alliant Energy (BSP:A1EN34), the current Cyclically Adjusted PS Ratio is 4.08 as of Sep. 02, 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 Alliant Energy (BSP:A1EN34) Overvalued in 2026?
Based on GuruFocus' analysis, Alliant Energy stock appears to be overvalued.
The current stock price of R$358.72 is trading 1.2% above its estimated GF Value™ of R$354.50.
Key valuation signals for BSP:A1EN34:
Cyclically Adjusted PS Ratio: 4.08 (30% above median its 10-year median of 3.13)
GF Value™: R$354.50 vs. price of R$358.72 (1.2% above fair value)
Industry Position: 190.4% above the Utilities - Regulated median (#371 of 438)
No single metric tells the full story. See the BSP:A1EN34 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Alliant Energy is the parent of two regulated utilities, Interstate Power and Light and Wisconsin Power and Light. Together, IPL and WPL serve nearly 1 million electric customers and 425,000 natural gas-only customers. Both subsidiaries engage in the generation and distribution of electricity and the distribution and transportation of natural gas. Alliant also owns a 16% interest in American Transmission.
79GF Score
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