Exelon (STU:PEO) Cyclically Adjusted PB Ratio: 1.12 (As of Sep. 17, 2026) — Near Median

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Director of Data and Quant Analytics at GuruFocus
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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.

STU:PEO Exelon Corp STU:PEO
68 GF Score
Price €36.97
GF Value €40.09
Valuation Fairly Valued
! 5 Warning Signs
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What is Exelon Cyclically Adjusted PB Ratio?

Exelon STU:PEO +0.86% 68 Cyclically Adjusted PB Ratio is 1.12 as of Sep. 17, 2026, which is 1% below its 10-year median of 1.13. GuruFocus rates STU:PEO with a GF Score™ of 68/100 and a GF Value™ of €40.09 (Fairly Valued). The stock has 5 warning signs investors should review. Among 425 Utilities - Regulated companies, Exelon ranks better than 60.71% on this metric.

As of today (2026-09-17), Exelon's current share price is €36.965. Exelon's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was €32.86. Exelon's Cyclically Adjusted PB Ratio for today is 1.12.

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

STU:PEO' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.76   Med: 1.13   Max: 1.47
Current: 1.21

During the past years, Exelon's highest Cyclically Adjusted PB Ratio was 1.47. The lowest was 0.76. And the median was 1.13.

STU:PEO's Cyclically Adjusted PB Ratio is ranked better than
60.71% of 425 companies
in the Utilities - Regulated industry
Industry Median: 1.49 vs STU:PEO: 1.21

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.

Exelon's adjusted book value per share data for the three months ended in Jun. 2026 was €25.168. 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 €32.86 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Exelon  (STU:PEO) 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.


Exelon Cyclically Adjusted PB Ratio Related Terms


Exelon Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Exelon'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.

Exelon Cyclically Adjusted PB Ratio Chart

Exelon Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1.18 1.26 0.99 1.08 1.13

Exelon Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
Cyclically Adjusted PB 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 1.11 1.14 1.14 1.29 1.24

STU:PEO vs XEL, ETR, PCG: Cyclically Adjusted PB Ratio Comparison

For the Utilities - Regulated Electric subindustry, Exelon'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.


Exelon Cyclically Adjusted PB Ratio vs Utilities - Regulated Industry

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

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


STU:PEO
68GF Score
Exelon Corp STU:PEO
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Exelon 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.

Exelon's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=36.965/32.859
=1.12

* 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.

Exelon's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 is calculated as:

For example, Exelon'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)
=25.168/333.9520*333.9520
=25.168

Current CPI (Jun. 2026) = 333.9520.

Exelon Quarterly Data

Book Value per Share CPI Adj_Book
201609 26.491 241.428 36.643
201612 28.331 241.432 39.188
201703 28.562 243.801 39.123
201706 26.747 244.955 36.465
201709 26.689 246.819 36.111
201712 27.835 246.524 37.706
201803 27.439 249.554 36.719
201806 29.116 251.989 38.586
201809 29.727 252.439 39.326
201812 29.885 251.233 39.725
201903 30.914 254.202 40.613
201906 30.632 256.143 39.937
201909 32.418 256.759 42.164
201912 31.655 256.974 41.137
202003 32.390 258.115 41.907
202006 31.844 257.797 41.251
202009 30.671 260.280 39.352
202012 29.198 260.474 37.435
202103 29.882 264.877 37.675
202106 29.746 271.696 36.562
202109 30.225 274.310 36.797
202112 31.253 278.802 37.435
202203 21.544 287.504 25.025
202206 23.089 296.311 26.022
202209 25.244 296.808 28.403
202212 23.325 296.797 26.245
202303 23.211 301.836 25.681
202306 23.103 305.109 25.287
202309 24.178 307.789 26.233
202312 23.338 306.746 25.408
202403 24.131 312.332 25.801
202406 24.401 314.175 25.937
202409 23.735 315.301 25.139
202412 25.869 315.605 27.373
202503 25.329 319.799 26.450
202506 23.301 322.561 24.124
202509 23.686 324.800 24.353
202512 23.969 324.054 24.701
202603 24.870 330.213 25.152
202606 25.168 333.952 25.168

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

What does a Cyclically Adjusted PB Ratio of 1.12 mean?
Exelon (STU:PEO) has a Cyclically Adjusted PB Ratio of 1.12 as of Sep. 17, 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 Exelon and its competitors. This is near median its historical median of 1.13. Over the past decade, Exelon's Cyclically Adjusted PB Ratio has ranged from 0.76 to 1.47. According to the industry distribution chart, Exelon ranks #167 out of 425 companies in the Utilities - Regulated industry, placing it in the top 39.3%.
Is Exelon's Cyclically Adjusted PB Ratio too high?
Exelon's current Cyclically Adjusted PB Ratio of 1.12 is near median its 10-year median of 1.13. Over the past 10 years, this metric has ranged from a low of 0.76 to a high of 1.47. The Utilities - Regulated industry median Cyclically Adjusted PB Ratio is 1.49. Exelon's value of 1.12 is 24.8% below this industry median. Based on the distribution chart, Exelon ranks #167 out of 425 companies in the Utilities - Regulated industry, which is above the industry midpoint. Overall, Exelon has a GF Score™ of 68/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Exelon's Cyclically Adjusted PB Ratio compare to XEL and ETR?
According to the Utilities - Regulated industry distribution chart, Exelon ranks #167 out of 425 companies for Cyclically Adjusted PB Ratio. This puts Exelon in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.49. Exelon's value of 1.12 is 24.8% below this benchmark. Historically, Exelon's own Cyclically Adjusted PB Ratio has ranged from 0.76 to 1.47 over the past decade. While the company's 10-year median is 1.13 vs. the industry median of 1.49, Exelon has consistently been below 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 1.49, based on 425 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. Exelon's current Cyclically Adjusted PB Ratio of 1.12 is 24.8% below 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 Exelon and its competitors. For the Utilities - Regulated industry, the median Cyclically Adjusted PB Ratio is 1.49 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Exelon's current Cyclically Adjusted PB Ratio is 1.12, which is near median its own 10-year median of 1.13. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Exelon stock overvalued right now?
Based on GuruFocus' analysis, Exelon (STU:PEO) is currently considered Fairly Valued. The stock's GF Value™ is €40.09, compared to a current price of €36.97 — trading 7.8% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.12, which is near median its 10-year median of 1.13 and 24.8% below the Utilities - Regulated industry median of 1.49. Exelon's overall GF Score™ is 68/100 with 5 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 Exelon (STU:PEO), the current Cyclically Adjusted PB Ratio is 1.12 as of Sep. 17, 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 Exelon (STU:PEO) Overvalued in 2026?

Based on GuruFocus' analysis, Exelon stock appears to be undervalued. The current stock price of €36.97 is trading 7.8% below its estimated GF Value™ of €40.09. GuruFocus considers Exelon to be Fairly Valued.

Key valuation signals for STU:PEO:

  • Cyclically Adjusted PB Ratio: 1.12 (near median its 10-year median of 1.13)
  • GF Value™: €40.09 vs. price of €36.97 (7.8% below fair value)
  • GF Score™: 68/100 with 5 warning signs
  • Industry Position: 24.8% below the Utilities - Regulated median (#167 of 425)

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


Exelon Business Description

Address 10 South Dearborn Street, 54th Floor, P.O. Box 805379, Chicago, IL, USA, 60680-5379
Exelon serves approximately 10 million power and gas customers at its six regulated utilities in Illinois, Pennsylvania, Maryland, New Jersey, Delaware, and Washington, D.C.
68GF Score

Get the complete analysis for STU:PEO

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

€36.97
Price
€40.09
GF Value