IberdrolaXMAD:IBE -0.14%77 PB Ratio is 2.36 as of Jun. 25, 2026, which is 65% above its 10-year median of 1.43. GuruFocus rates XMAD:IBE with a GF Score™ of 77/100 and a GF Value™ of €10.16 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 502 Utilities - Regulated companies, Iberdrola ranks worse than 78.09% on this metric.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. As of today (2026-06-25), Iberdrola's share price is €21.15. Iberdrola's Book Value per Share for the quarter that ended in Mar. 2026 was €8.96. Hence, Iberdrola's PB Ratio of today is 2.36.
The historical rank and industry rank for Iberdrola's PB Ratio or its related term are showing as below:
XMAD:IBE'
s PB Ratio Range Over the Past 10 Years
Min: 0.97 Med: 1.43 Max: 2.64
Current: 2.36
During the past 13 years, Iberdrola's highest PB Ratio was 2.64. The lowest was 0.97. And the median was 1.43.
XMAD:IBE's PB Ratio is ranked worse than 78.09% of 502
companies
in the Utilities - Regulated industry
Industry Median: 1.43
vs XMAD:IBE: 2.36
During the past 12 months, Iberdrola's average Book Value Per Share Growth Rate was 20.50% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 4.50% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 5.50% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 2.60% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Iberdrola was 30.80% per year. The lowest was -1.00% per year. And the median was 3.40% per year.
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
Iberdrola PB Ratio Related Terms
Iberdrola PB Ratio Historical Data
* Premium members only.
The historical data trend for Iberdrola's 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.
For the Utilities - Diversified subindustry, Iberdrola's PB Ratio, along with its competitors' market caps and 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 PB Ratio vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Iberdrola's PB Ratio distribution charts can be found below:
* The bar in red indicates where Iberdrola's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
Iberdrola's PB Ratio for today is calculated as follows:
* 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.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Iberdrola (XMAD:IBE) has a PB Ratio of 2.36 as of Jun. 25, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Iberdrola and its competitors. This is 65% above median its historical median of 1.43. Over the past decade, Iberdrola's PB Ratio has ranged from 0.97 to 2.64. According to the industry distribution chart, Iberdrola ranks #392 out of 502 companies in the Utilities - Regulated industry, placing it in the top 78.1%.
Is Iberdrola's PB Ratio too high?
Iberdrola's current PB Ratio of 2.36 is 65% above median its 10-year median of 1.43. Over the past 10 years, this metric has ranged from a low of 0.97 to a high of 2.64. The Utilities - Regulated industry median PB Ratio is 1.43. Iberdrola's value of 2.36 is 65% above this industry median. Based on the distribution chart, Iberdrola ranks #392 out of 502 companies in the Utilities - Regulated industry, which is in the bottom quartile relative to peers. Overall, Iberdrola has a GF Score™ of 77/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Iberdrola's PB Ratio compare to SRE and AES?
According to the Utilities - Regulated industry distribution chart, Iberdrola ranks #392 out of 502 companies for PB Ratio. This places Iberdrola in the lower half of its industry. The industry median PB Ratio is 1.43. Iberdrola's value of 2.36 is 65% above this benchmark. Historically, Iberdrola's own PB Ratio has ranged from 0.97 to 2.64 over the past decade. While the company's 10-year median is 1.43 vs. the industry median of 1.43, 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 PB Ratio for an Utilities - Regulated company?
The median PB Ratio among Utilities - Regulated companies is 1.43, based on 502 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Iberdrola's current PB Ratio of 2.36 is 65% 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 PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Iberdrola and its competitors. For the Utilities - Regulated industry, the median PB Ratio is 1.43 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Iberdrola's current PB Ratio is 2.36, which is 65% above median its own 10-year median of 1.43. 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 (XMAD:IBE) is currently considered Significantly Overvalued. The stock's GF Value™ is €10.16, compared to a current price of €21.15 — trading 108.2% above its estimated fair value. The current PB Ratio is 2.36, which is 65% above median its 10-year median of 1.43 and 65% above the Utilities - Regulated industry median of 1.43. Iberdrola's overall GF Score™ is 77/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Iberdrola (XMAD:IBE), the current PB Ratio is 2.36 as of Jun. 25, 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 (XMAD:IBE) Overvalued in 2026?
Based on GuruFocus' analysis, Iberdrola stock appears to be overvalued.
The current stock price of €21.15 is trading 108.2% above its estimated GF Value™ of €10.16.
GuruFocus considers Iberdrola to be Significantly Overvalued.
Key valuation signals for XMAD:IBE:
PB Ratio: 2.36 (65% above median its 10-year median of 1.43)
GF Value™: €10.16 vs. price of €21.15 (108.2% above fair value)
Industry Position: 65% above the Utilities - Regulated median (#392 of 502)
No single metric tells the full story. See the XMAD:IBE stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
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.
77GF Score
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