American Electric Power Co (BSP:A1EP34) Cyclically Adjusted PB Ratio: 2.42 (As of Aug. 18, 2026) — 14% Above Median

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BSP:A1EP34 American Electric Power Co Inc BSP:A1EP34
64 GF Score
Price R$66.71
GF Value R$60.57
Valuation Fairly Valued
! 10 Warning Signs
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What is American Electric Power Co Cyclically Adjusted PB Ratio?

American Electric Power Co BSP:A1EP34 +6.20% 64 Cyclically Adjusted PB Ratio is 2.42 as of Aug. 18, 2026, which is 14% above its 10-year median of 2.12. GuruFocus rates BSP:A1EP34 with a GF Score™ of 64/100 and a GF Value™ of R$60.57 (Fairly Valued). The stock has 10 warning signs investors should review. Among 429 Utilities - Regulated companies, American Electric Power Co ranks worse than 74.59% on this metric.

As of today (2026-08-18), American Electric Power Co's current share price is R$66.71. American Electric Power Co's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was R$27.53. American Electric Power Co's Cyclically Adjusted PB Ratio for today is 2.42.

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

BSP:A1EP34' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.54   Med: 2.12   Max: 2.83
Current: 2.41

During the past years, American Electric Power Co's highest Cyclically Adjusted PB Ratio was 2.83. The lowest was 1.54. And the median was 2.12.

BSP:A1EP34's Cyclically Adjusted PB Ratio is ranked worse than
74.59% of 429 companies
in the Utilities - Regulated industry
Industry Median: 1.52 vs BSP:A1EP34: 2.41

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.

American Electric Power Co's adjusted book value per share data for the three months ended in Jun. 2026 was R$30.196. 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 R$27.53 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


American Electric Power Co  (BSP:A1EP34) 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.


American Electric Power Co Cyclically Adjusted PB Ratio Related Terms


American Electric Power Co Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for American Electric Power Co'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.

American Electric Power Co Cyclically Adjusted PB Ratio Chart

American Electric Power Co 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 2.14 2.11 1.73 1.89 2.28

American Electric Power 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 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 2.07 2.22 2.28 2.53 2.60

BSP:A1EP34 vs D, PCG, ETR: Cyclically Adjusted PB Ratio Comparison

For the Utilities - Regulated Electric subindustry, American Electric Power 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.


American Electric Power Co Cyclically Adjusted PB Ratio vs Utilities - Regulated Industry

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

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


BSP:A1EP34
64GF Score
American Electric Power Co Inc BSP:A1EP34
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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American Electric Power Co 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.

American Electric Power Co's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=66.71/27.53
=2.42

* 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.

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

For example, American Electric Power 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)
=30.196/333.9520*333.9520
=30.196

Current CPI (Jun. 2026) = 333.9520.

American Electric Power Co Quarterly Data

Book Value per Share CPI Adj_Book
201609 11.460 241.428 15.852
201612 11.867 241.432 16.415
201703 11.250 243.801 15.410
201706 11.942 244.955 16.281
201709 11.508 246.819 15.571
201712 12.247 246.524 16.590
201803 12.306 249.554 16.468
201806 14.323 251.989 18.982
201809 15.846 252.439 20.963
201812 14.981 251.233 19.914
201903 14.942 254.202 19.630
201906 15.040 256.143 19.609
201909 16.444 256.759 21.388
201912 16.306 256.974 21.191
202003 19.466 258.115 25.185
202006 20.928 257.797 27.110
202009 22.157 260.280 28.429
202012 21.290 260.474 27.296
202103 23.672 264.877 29.845
202106 21.491 271.696 26.415
202109 23.354 274.310 28.432
202112 25.160 278.802 30.137
202203 23.054 287.504 26.779
202206 23.638 296.311 26.641
202209 24.779 296.808 27.880
202212 24.390 296.797 27.443
202303 24.025 301.836 26.581
202306 22.520 305.109 24.649
202309 23.780 307.789 25.801
202312 23.510 306.746 25.595
202403 24.382 312.332 26.070
202406 26.462 314.175 28.128
202409 27.683 315.301 29.321
202412 30.847 315.605 32.640
202503 29.460 319.799 30.764
202506 30.989 322.561 32.083
202509 30.456 324.800 31.314
202512 31.409 324.054 32.368
202603 30.579 330.213 30.925
202606 30.196 333.952 30.196

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 2.42 mean?
American Electric Power Co (BSP:A1EP34) has a Cyclically Adjusted PB Ratio of 2.42 as of Aug. 18, 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 American Electric Power Co and its competitors. This is 14% above median its historical median of 2.12. Over the past decade, American Electric Power Co's Cyclically Adjusted PB Ratio has ranged from 1.54 to 2.83. According to the industry distribution chart, American Electric Power Co ranks #320 out of 429 companies in the Utilities - Regulated industry, placing it in the top 74.6%.
Is American Electric Power Co's Cyclically Adjusted PB Ratio too high?
American Electric Power Co's current Cyclically Adjusted PB Ratio of 2.42 is 14% above median its 10-year median of 2.12. Over the past 10 years, this metric has ranged from a low of 1.54 to a high of 2.83. The Utilities - Regulated industry median Cyclically Adjusted PB Ratio is 1.52. American Electric Power Co's value of 2.42 is 59.2% above this industry median. Based on the distribution chart, American Electric Power Co ranks #320 out of 429 companies in the Utilities - Regulated industry, which is below the industry midpoint. Overall, American Electric Power Co has a GF Score™ of 64/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does American Electric Power Co's Cyclically Adjusted PB Ratio compare to D and PCG?
According to the Utilities - Regulated industry distribution chart, American Electric Power Co ranks #320 out of 429 companies for Cyclically Adjusted PB Ratio. This places American Electric Power Co in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.52. American Electric Power Co's value of 2.42 is 59.2% above this benchmark. Historically, American Electric Power Co's own Cyclically Adjusted PB Ratio has ranged from 1.54 to 2.83 over the past decade. While the company's 10-year median is 2.12 vs. the industry median of 1.52, American Electric Power 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 PB Ratio for an Utilities - Regulated company?
The median Cyclically Adjusted PB Ratio among Utilities - Regulated companies is 1.52, based on 429 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. American Electric Power Co's current Cyclically Adjusted PB Ratio of 2.42 is 59.2% 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 American Electric Power Co 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. American Electric Power Co's current Cyclically Adjusted PB Ratio is 2.42, which is 14% above median its own 10-year median of 2.12. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is American Electric Power Co stock overvalued right now?
Based on GuruFocus' analysis, American Electric Power Co (BSP:A1EP34) is currently considered Fairly Valued. The stock's GF Value™ is R$60.57, compared to a current price of R$66.71 — trading 10.1% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 2.42, which is 14% above median its 10-year median of 2.12 and 59.2% above the Utilities - Regulated industry median of 1.52. American Electric Power Co's overall GF Score™ is 64/100 with 10 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 American Electric Power Co (BSP:A1EP34), the current Cyclically Adjusted PB Ratio is 2.42 as of Aug. 18, 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 American Electric Power Co (BSP:A1EP34) Overvalued in 2026?

Based on GuruFocus' analysis, American Electric Power Co stock appears to be overvalued. The current stock price of R$66.71 is trading 10.1% above its estimated GF Value™ of R$60.57. GuruFocus considers American Electric Power Co to be Fairly Valued.

Key valuation signals for BSP:A1EP34:

  • Cyclically Adjusted PB Ratio: 2.42 (14% above median its 10-year median of 2.12)
  • GF Value™: R$60.57 vs. price of R$66.71 (10.1% above fair value)
  • GF Score™: 64/100 with 10 warning signs
  • Industry Position: 59.2% above the Utilities - Regulated median (#320 of 429)

No single metric tells the full story. See the BSP:A1EP34 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


American Electric Power Co Business Description

Address 1 Riverside Plaza, Columbus, OH, USA, 43215-2373
American Electric Power is one of the largest regulated utilities in the United States, providing electricity generation, transmission, and distribution to more than 5 million customers in 11 states. About 39% of AEP's capacity is coal, with the remainder from a mix of natural gas (28%), renewable energy and hydro (23%), nuclear (7%), and demand response (3%). Vertically integrated utilities, transmission and distribution, and generation and marketing support earnings.
64GF Score

Get the complete analysis for BSP:A1EP34

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

R$66.71
Price
R$60.57
GF Value