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.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
MGE EnergyFRA:MG1 +0.76%75 Cyclically Adjusted PB Ratio is 2.33 as of Sep. 09, 2026, which is 25% below its 10-year median of 3.12. GuruFocus rates FRA:MG1 with a GF Score™ of 75/100 and a GF Value™ of €74.15. The stock has 4 warning signs investors should review. Among 424 Utilities - Regulated companies, MGE Energy ranks worse than 73.58% on this metric.
The historical rank and industry rank for MGE Energy's Cyclically Adjusted PB Ratio or its related term are showing as below:
FRA:MG1'
s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 2.25 Med: 3.12 Max: 4.02
Current: 2.37
During the past years, MGE Energy's highest Cyclically Adjusted PB Ratio was 4.02. The lowest was 2.25. And the median was 3.12.
FRA:MG1's Cyclically Adjusted PB Ratio is ranked worse than 73.58% of 424
companies
in the Utilities - Regulated industry
Industry Median: 1.52
vs FRA:MG1: 2.37
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.
MGE Energy's adjusted book value per share data for the three months ended in Jun. 2026 was €33.095. 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 €28.57 for the trailing ten years ended in Jun. 2026.
Shiller PE for Stocks: The True Measure of Stock Valuation
MGE Energy (FRA:MG1) Cyclically Adjusted PB Ratio Explanation
Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value 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 PB Ratio should give similar results to regular PB Ratio.
MGE Energy Cyclically Adjusted PB Ratio Related Terms
MGE Energy Cyclically Adjusted PB Ratio Historical Data
* Premium members only.
The historical data trend for MGE Energy's Cyclically Adjusted PB 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.
FRA:MG1 vs HE, NWE, NKLR: Cyclically Adjusted PB Ratio Comparison
For the Utilities - Regulated Electric subindustry, MGE Energy'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.
MGE Energy Cyclically Adjusted PB Ratio vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, MGE Energy's Cyclically Adjusted PB Ratio distribution charts can be found below:
* The bar in red indicates where MGE Energy's Cyclically Adjusted PB Ratio falls into.
MGE Energy Cyclically Adjusted PB Ratio Calculation
Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB 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 PB Ratio.
MGE Energy's Cyclically Adjusted PB 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 PB Ratio of 2.33 mean?
MGE Energy (FRA:MG1) has a Cyclically Adjusted PB Ratio of 2.33 as of Sep. 09, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on MGE Energy and its competitors. This is 25% below median its historical median of 3.12. Over the past decade, MGE Energy's Cyclically Adjusted PB Ratio has ranged from 2.25 to 4.02. According to the industry distribution chart, MGE Energy ranks #312 out of 424 companies in the Utilities - Regulated industry, placing it in the top 73.6%.
Is MGE Energy's Cyclically Adjusted PB Ratio too high?
MGE Energy's current Cyclically Adjusted PB Ratio of 2.33 is 25% below median its 10-year median of 3.12. Over the past 10 years, this metric has ranged from a low of 2.25 to a high of 4.02. The Utilities - Regulated industry median Cyclically Adjusted PB Ratio is 1.52. MGE Energy's value of 2.33 is 53.3% above this industry median. Based on the distribution chart, MGE Energy ranks #312 out of 424 companies in the Utilities - Regulated industry, which is below the industry midpoint. Overall, MGE Energy has a GF Score™ of 75/100, reflecting its overall financial health beyond just this single metric.
How does MGE Energy's Cyclically Adjusted PB Ratio compare to HE and NWE?
According to the Utilities - Regulated industry distribution chart, MGE Energy ranks #312 out of 424 companies for Cyclically Adjusted PB Ratio. This places MGE Energy in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.52. MGE Energy's value of 2.33 is 53.3% above this benchmark. Historically, MGE Energy's own Cyclically Adjusted PB Ratio has ranged from 2.25 to 4.02 over the past decade. While the company's 10-year median is 3.12 vs. the industry median of 1.52, MGE 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 PB Ratio for an Utilities - Regulated company?
The median Cyclically Adjusted PB Ratio among Utilities - Regulated companies is 1.52, based on 424 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. MGE Energy's current Cyclically Adjusted PB Ratio of 2.33 is 53.3% 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 PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on MGE Energy and its competitors. For the Utilities - Regulated industry, the median Cyclically Adjusted PB Ratio is 1.52 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. MGE Energy's current Cyclically Adjusted PB Ratio is 2.33, which is 25% below median its own 10-year median of 3.12. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is MGE Energy stock overvalued right now?
MGE Energy (FRA:MG1) has a current Cyclically Adjusted PB Ratio of 2.33. The stock's GF Value™ is €74.15, compared to a current price of €66.50 — trading 10.3% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 2.33, which is 25% below median its 10-year median of 3.12 and 53.3% above the Utilities - Regulated industry median of 1.52. MGE Energy's overall GF Score™ is 75/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For MGE Energy (FRA:MG1), the current Cyclically Adjusted PB Ratio is 2.33 as of Sep. 09, 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 MGE Energy (FRA:MG1) Overvalued in 2026?
Based on GuruFocus' analysis, MGE Energy stock appears to be undervalued.
The current stock price of €66.50 is trading 10.3% below its estimated GF Value™ of €74.15.
Key valuation signals for FRA:MG1:
Cyclically Adjusted PB Ratio: 2.33 (25% below median its 10-year median of 3.12)
GF Value™: €74.15 vs. price of €66.50 (10.3% below fair value)
Industry Position: 53.3% above the Utilities - Regulated median (#312 of 424)
No single metric tells the full story. See the FRA:MG1 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
MGE Energy provides electric service to 170,000 customers and natural gas service to 180,000 customers in Madison, Wisconsin, and surrounding areas. Nearly 90% of customers are residential. The company also owns a 3.6% stake in American Transmission Co. MGE owns interests in two coal power plants that earn guaranteed fixed rates of return, contributing about 20% of earnings.
75GF Score
Get the complete analysis for FRA:MG1
Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
FRA:MG1 has been successfully added to your 
