Iberdrola (FRA:IBE5) Cyclically Adjusted PB Ratio: 2.62 (As of Jul. 26, 2026) — 66% Above Median

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FRA:IBE5 Iberdrola SA FRA:IBE5
78 GF Score
Price €84.00
GF Value €41.54
Valuation Significantly Overvalued
! 7 Warning Signs
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What is Iberdrola Cyclically Adjusted PB Ratio?

Iberdrola FRA:IBE5 -1.18% 78 Cyclically Adjusted PB Ratio is 2.62 as of Jul. 26, 2026, which is 66% above its 10-year median of 1.58. GuruFocus rates FRA:IBE5 with a GF Score™ of 78/100 and a GF Value™ of €41.54 (Significantly Overvalued). The stock has 7 warning signs investors should review. Among 441 Utilities - Regulated companies, Iberdrola ranks worse than 80.05% on this metric.

As of today (2026-07-26), Iberdrola's current share price is €84.00. Iberdrola's Cyclically Adjusted Book per Share for the quarter that ended in Jun. 2026 was €32.07. Iberdrola's Cyclically Adjusted PB Ratio for today is 2.62.

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

FRA:IBE5' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.01   Med: 1.58   Max: 2.72
Current: 2.64

During the past years, Iberdrola's highest Cyclically Adjusted PB Ratio was 2.72. The lowest was 1.01. And the median was 1.58.

FRA:IBE5's Cyclically Adjusted PB Ratio is ranked worse than
80.05% of 441 companies
in the Utilities - Regulated industry
Industry Median: 1.53 vs FRA:IBE5: 2.64

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.

Iberdrola's adjusted book value per share data for the three months ended in Jun. 2026 was €35.954. 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 €32.07 for the trailing ten years ended in Jun. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


Iberdrola  (FRA:IBE5) 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.


Iberdrola Cyclically Adjusted PB Ratio Related Terms


Iberdrola Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Iberdrola'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.

Iberdrola Cyclically Adjusted PB Ratio Chart

Iberdrola 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 1.62 1.58 1.64 1.75 2.35

Iberdrola 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 2.10 2.07 2.35 2.48 2.71

FRA:IBE5 vs SRE, AES: Cyclically Adjusted PB Ratio Comparison

For the Utilities - Diversified subindustry, Iberdrola'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.


Iberdrola Cyclically Adjusted PB Ratio vs Utilities - Regulated Industry

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

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


FRA:IBE5
78GF Score
Iberdrola SA FRA:IBE5
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Iberdrola 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.

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

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=84.00/32.07
=2.62

* 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.

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

For example, Iberdrola'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)
=35.954/130.5100*130.5100
=35.954

Current CPI (Jun. 2026) = 130.5100.

Iberdrola Quarterly Data

Book Value per Share CPI Adj_Book
201609 23.020 99.737 30.123
201612 23.990 101.842 30.743
201703 23.764 100.896 30.739
201706 23.600 101.848 30.241
201709 23.535 101.524 30.255
201712 23.755 102.975 30.107
201803 23.737 102.122 30.336
201806 24.438 104.165 30.619
201809 23.190 103.818 29.152
201812 23.447 104.193 29.369
201903 25.563 103.488 32.238
201906 23.598 104.612 29.440
201909 24.978 103.905 31.374
201912 24.342 105.015 30.252
202003 25.653 103.469 32.357
202006 23.777 104.254 29.765
202009 23.368 103.521 29.460
202012 23.015 104.456 28.756
202103 23.653 104.857 29.440
202106 23.840 107.102 29.050
202109 28.940 107.669 35.079
202112 25.914 111.298 30.387
202203 32.248 115.153 36.549
202206 28.463 118.044 31.469
202209 35.182 117.221 39.170
202212 26.604 117.650 29.512
202303 32.579 118.948 35.746
202306 32.636 120.278 35.412
202309 33.311 121.343 35.828
202312 27.727 121.300 29.832
202403 33.901 122.762 36.041
202406 35.209 124.409 36.936
202409 33.578 123.121 35.593
202412 30.045 124.753 31.431
202503 29.725 125.531 30.904
202506 34.537 127.251 35.422
202509 34.634 126.840 35.636
202512 30.356 128.400 30.855
202603 35.825 129.860 36.004
202606 35.954 130.510 35.954

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 2.62 mean?
Iberdrola (FRA:IBE5) has a Cyclically Adjusted PB Ratio of 2.62 as of Jul. 26, 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 Iberdrola and its competitors. This is 66% above median its historical median of 1.58. Over the past decade, Iberdrola's Cyclically Adjusted PB Ratio has ranged from 1.01 to 2.72. According to the industry distribution chart, Iberdrola ranks #353 out of 441 companies in the Utilities - Regulated industry, placing it in the top 80%.
Is Iberdrola's Cyclically Adjusted PB Ratio too high?
Iberdrola's current Cyclically Adjusted PB Ratio of 2.62 is 66% above median its 10-year median of 1.58. Over the past 10 years, this metric has ranged from a low of 1.01 to a high of 2.72. The Utilities - Regulated industry median Cyclically Adjusted PB Ratio is 1.53. Iberdrola's value of 2.62 is 71.2% above this industry median. Based on the distribution chart, Iberdrola ranks #353 out of 441 companies in the Utilities - Regulated industry, which is in the bottom quartile relative to peers. Overall, Iberdrola has a GF Score™ of 78/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Iberdrola's Cyclically Adjusted PB Ratio compare to SRE and AES?
According to the Utilities - Regulated industry distribution chart, Iberdrola ranks #353 out of 441 companies for Cyclically Adjusted PB Ratio. This places Iberdrola in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.53. Iberdrola's value of 2.62 is 71.2% above this benchmark. Historically, Iberdrola's own Cyclically Adjusted PB Ratio has ranged from 1.01 to 2.72 over the past decade. While the company's 10-year median is 1.58 vs. the industry median of 1.53, Iberdrola 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 1.53, based on 441 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. Iberdrola's current Cyclically Adjusted PB Ratio of 2.62 is 71.2% 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 Iberdrola and its competitors. For the Utilities - Regulated industry, the median Cyclically Adjusted PB Ratio is 1.53 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Iberdrola's current Cyclically Adjusted PB Ratio is 2.62, which is 66% above median its own 10-year median of 1.58. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Iberdrola stock overvalued right now?
Based on GuruFocus' analysis, Iberdrola (FRA:IBE5) is currently considered Significantly Overvalued. The stock's GF Value™ is €41.54, compared to a current price of €84.00 — trading 102.2% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 2.62, which is 66% above median its 10-year median of 1.58 and 71.2% above the Utilities - Regulated industry median of 1.53. Iberdrola's overall GF Score™ is 78/100 with 7 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 Iberdrola (FRA:IBE5), the current Cyclically Adjusted PB Ratio is 2.62 as of Jul. 26, 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 Iberdrola (FRA:IBE5) Overvalued in 2026?

Based on GuruFocus' analysis, Iberdrola stock appears to be overvalued. The current stock price of €84.00 is trading 102.2% above its estimated GF Value™ of €41.54. GuruFocus considers Iberdrola to be Significantly Overvalued.

Key valuation signals for FRA:IBE5:

  • Cyclically Adjusted PB Ratio: 2.62 (66% above median its 10-year median of 1.58)
  • GF Value™: €41.54 vs. price of €84.00 (102.2% above fair value)
  • GF Score™: 78/100 with 7 warning signs
  • Industry Position: 71.2% above the Utilities - Regulated median (#353 of 441)

No single metric tells the full story. See the FRA:IBE5 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Iberdrola Business Description

Address Plaza Euskadi Number 5, Biscay, Bilbao, ESP, 48009
Iberdrola is one of the largest utilities in the world with electric utility operations in nearly 40 countries. The company has a 58-gigawatt portfolio of hydro, wind, natural gas, and nuclear power plants. It is one of the largest owners of wind farms in the world, representing about 40% of its portfolio. Although the company has recently developed or acquired distribution and power generation assets in other geographic areas, Spain is still home to more than half of its power generation capacity. Iberdrola also owns and operates electricity distribution and transmission networks in Spain, the UK, Brazil, and the US.
78GF Score

Get the complete analysis for FRA:IBE5

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

€84.00
Price
€41.54
GF Value