Algonquin Power & UtilitiesSTU:751 -1.03%49 PB Ratio is 1.03 as of Jun. 30, 2026, which is 40% below its 10-year median of 1.73. GuruFocus rates STU:751 with a GF Score™ of 49/100 and a GF Value™ of €4.93 (Fairly Valued). The stock has 7 warning signs investors should review. Among 504 Utilities - Regulated companies, Algonquin Power & Utilities ranks better than 65.67% on this metric.
The historical rank and industry rank for Algonquin Power & Utilities's PB Ratio or its related term are showing as below:
STU:751'
s PB Ratio Range Over the Past 10 Years
Min: 0.66 Med: 1.73 Max: 2.39
Current: 1.06
During the past 13 years, Algonquin Power & Utilities's highest PB Ratio was 2.39. The lowest was 0.66. And the median was 1.73.
STU:751's PB Ratio is ranked better than 65.67% of 504
companies
in the Utilities - Regulated industry
Industry Median: 1.405
vs STU:751: 1.06
During the past 12 months, Algonquin Power & Utilities's average Book Value Per Share Growth Rate was -5.40% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -7.20% 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 3.10% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Algonquin Power & Utilities was 16.40% per year. The lowest was -11.70% per year. And the median was -3.05% per year.
Back to Basics: PB Ratio
Algonquin Power & Utilities (STU:751) PB Ratio Explanation
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.
Algonquin Power & Utilities PB Ratio Related Terms
Algonquin Power & Utilities PB Ratio Historical Data
* 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, Algonquin Power & Utilities'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.
Algonquin Power & Utilities PB Ratio vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Algonquin Power & Utilities's PB Ratio distribution charts can be found below:
* The bar in red indicates where Algonquin Power & Utilities'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.
* 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.
Algonquin Power & Utilities (STU:751) has a PB Ratio of 1.03 as of Jun. 30, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Algonquin Power & Utilities and its competitors. This is 40% below median its historical median of 1.73. Over the past decade, Algonquin Power & Utilities' PB Ratio has ranged from 0.66 to 2.39. According to the industry distribution chart, Algonquin Power & Utilities ranks #173 out of 504 companies in the Utilities - Regulated industry, placing it in the top 34.3%.
Is Algonquin Power & Utilities' PB Ratio too high?
Algonquin Power & Utilities' current PB Ratio of 1.03 is 40% below median its 10-year median of 1.73. Over the past 10 years, this metric has ranged from a low of 0.66 to a high of 2.39. The Utilities - Regulated industry median PB Ratio is 1.41. Algonquin Power & Utilities' value of 1.03 is 26.7% below this industry median. Based on the distribution chart, Algonquin Power & Utilities ranks #173 out of 504 companies in the Utilities - Regulated industry, which is above the industry midpoint. Overall, Algonquin Power & Utilities has a GF Score™ of 49/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Algonquin Power & Utilities' PB Ratio compare to SRE and AES?
According to the Utilities - Regulated industry distribution chart, Algonquin Power & Utilities ranks #173 out of 504 companies for PB Ratio. This puts Algonquin Power & Utilities in the upper half of its industry. The industry median PB Ratio is 1.41. Algonquin Power & Utilities' value of 1.03 is 26.7% below this benchmark. Historically, Algonquin Power & Utilities' own PB Ratio has ranged from 0.66 to 2.39 over the past decade. While the company's 10-year median is 1.73 vs. the industry median of 1.41, Algonquin Power & Utilities 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 PB Ratio for an Utilities - Regulated company?
The median PB Ratio among Utilities - Regulated companies is 1.41, based on 504 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. Algonquin Power & Utilities's current PB Ratio of 1.03 is 26.7% 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 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 Algonquin Power & Utilities and its competitors. For the Utilities - Regulated industry, the median PB Ratio is 1.41 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Algonquin Power & Utilities's current PB Ratio is 1.03, which is 40% below median its own 10-year median of 1.73. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Algonquin Power & Utilities stock overvalued right now?
Based on GuruFocus' analysis, Algonquin Power & Utilities (STU:751) is currently considered Fairly Valued. The stock's GF Value™ is €4.93, compared to a current price of €5.20 — trading 5.5% above its estimated fair value. The current PB Ratio is 1.03, which is 40% below median its 10-year median of 1.73 and 26.7% below the Utilities - Regulated industry median of 1.41. Algonquin Power & Utilities' overall GF Score™ is 49/100 with 7 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 Algonquin Power & Utilities (STU:751), the current PB Ratio is 1.03 as of Jun. 30, 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 Algonquin Power & Utilities (STU:751) Overvalued in 2026?
Based on GuruFocus' analysis, Algonquin Power & Utilities stock appears to be overvalued.
The current stock price of €5.20 is trading 5.5% above its estimated GF Value™ of €4.93.
GuruFocus considers Algonquin Power & Utilities to be Fairly Valued.
Key valuation signals for STU:751:
PB Ratio: 1.03 (40% below median its 10-year median of 1.73)
GF Value™: €4.93 vs. price of €5.20 (5.5% above fair value)
Industry Position: 26.7% below the Utilities - Regulated median (#173 of 504)
No single metric tells the full story. See the STU:751 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Algonquin Power & Utilities Corp is a Canada-based diversified international generation, transmission, and distribution company. The company's operations are organized across two business units: the Regulated Services Group, which owns and operates a portfolio of regulated electric, water distribution, and wastewater collection, and natural gas utility systems and transmission operations in the United States, Canada, Bermuda, and Chile; and the Hydro Group, which consists of hydroelectric-generating facilities located in Canada. It generates the majority of its revenue from the Regulated Services Group segment.
49GF Score
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