AmerenFRA:AE4 +1.17%81 PB Ratio is 2.25 as of Jun. 24, 2026, which is 5% above its 10-year median of 2.14. GuruFocus rates FRA:AE4 with a GF Score™ of 81/100 and a GF Value™ of €87.09 (Fairly Valued). The stock has 9 warning signs investors should review. Among 502 Utilities - Regulated companies, Ameren ranks worse than 75.3% 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 (2026-06-24), Ameren's share price is €95.18. Ameren's Book Value per Share for the quarter that ended in Mar. 2026 was €42.39. Hence, Ameren's PB Ratio of today is 2.25.
Warning Sign:
Ameren Corp stock PB Ratio (=2.28) is close to 3-year high of 2.34.
The historical rank and industry rank for Ameren's PB Ratio or its related term are showing as below:
FRA:AE4'
s PB Ratio Range Over the Past 10 Years
Min: 1.6 Med: 2.14 Max: 2.65
Current: 2.28
During the past 13 years, Ameren's highest PB Ratio was 2.65. The lowest was 1.60. And the median was 2.14.
FRA:AE4's PB Ratio is ranked worse than 75.3% of 502
companies
in the Utilities - Regulated industry
Industry Median: 1.43
vs FRA:AE4: 2.28
During the past 12 months, Ameren's average Book Value Per Share Growth Rate was 8.40% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 6.50% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 6.40% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 5.70% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Ameren was 7.60% per year. The lowest was -6.20% per year. And the median was 2.90% 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.
Ameren PB Ratio Related Terms
Ameren PB Ratio Historical Data
* Premium members only.
The historical data trend for Ameren'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 - Regulated Electric subindustry, Ameren'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.
Ameren PB Ratio vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Ameren's PB Ratio distribution charts can be found below:
* The bar in red indicates where Ameren'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.
Ameren'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.
Ameren (FRA:AE4) has a PB Ratio of 2.25 as of Jun. 24, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Ameren and its competitors. This is near median its historical median of 2.14. Over the past decade, Ameren's PB Ratio has ranged from 1.60 to 2.65. According to the industry distribution chart, Ameren ranks #378 out of 502 companies in the Utilities - Regulated industry, placing it in the top 75.3%.
Is Ameren's PB Ratio too high?
Ameren's current PB Ratio of 2.25 is near median its 10-year median of 2.14. Over the past 10 years, this metric has ranged from a low of 1.60 to a high of 2.65. The Utilities - Regulated industry median PB Ratio is 1.43. Ameren's value of 2.25 is 57.3% above this industry median. Based on the distribution chart, Ameren ranks #378 out of 502 companies in the Utilities - Regulated industry, which is in the bottom quartile relative to peers. Overall, Ameren has a GF Score™ of 81/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Ameren's PB Ratio compare to DTE and CNP?
According to the Utilities - Regulated industry distribution chart, Ameren ranks #378 out of 502 companies for PB Ratio. This places Ameren in the lower half of its industry. The industry median PB Ratio is 1.43. Ameren's value of 2.25 is 57.3% above this benchmark. Historically, Ameren's own PB Ratio has ranged from 1.60 to 2.65 over the past decade. While the company's 10-year median is 2.14 vs. the industry median of 1.43, Ameren 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. Ameren's current PB Ratio of 2.25 is 57.3% 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 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 Ameren 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. Ameren's current PB Ratio is 2.25, which is near median its own 10-year median of 2.14. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ameren stock overvalued right now?
Based on GuruFocus' analysis, Ameren (FRA:AE4) is currently considered Fairly Valued. The stock's GF Value™ is €87.09, compared to a current price of €95.18 — trading 9.3% above its estimated fair value. The current PB Ratio is 2.25, which is near median its 10-year median of 2.14 and 57.3% above the Utilities - Regulated industry median of 1.43. Ameren's overall GF Score™ is 81/100 with 9 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 Ameren (FRA:AE4), the current PB Ratio is 2.25 as of Jun. 24, 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 Ameren (FRA:AE4) Overvalued in 2026?
Based on GuruFocus' analysis, Ameren stock appears to be overvalued.
The current stock price of €95.18 is trading 9.3% above its estimated GF Value™ of €87.09.
GuruFocus considers Ameren to be Fairly Valued.
Key valuation signals for FRA:AE4:
PB Ratio: 2.25 (near median its 10-year median of 2.14)
GF Value™: €87.09 vs. price of €95.18 (9.3% above fair value)
Industry Position: 57.3% above the Utilities - Regulated median (#378 of 502)
No single metric tells the full story. See the FRA:AE4 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Ameren owns rate-regulated generation, transmission, and distribution networks that deliver electricity and natural gas through the company's two main subsidiaries, Ameren Missouri and Ameren Illinois. It serves 2.5 million electricity customers and 900,000 natural gas customers across its two service territories.
81GF Score
Get the complete analysis for FRA:AE4
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:AE4 has been successfully added to your 
