EF-ONTSE:9514 +1.24%71 PB Ratio is 0.33 as of Jul. 13, 2026, which is 62% below its 10-year median of 0.86. GuruFocus rates TSE:9514 with a GF Score™ of 71/100 and a GF Value™ of 円497.99 (Possible Value Trap). The stock has 6 warning signs investors should review. Among 431 Utilities - Independent Power Producers companies, EF-ON ranks better than 91.65% 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 (2026-07-13), EF-ON's share price is 円327.00. EF-ON's Book Value per Share for the quarter that ended in Dec. 2025 was 円979.25. Hence, EF-ON's PB Ratio of today is 0.33.
Good Sign:
EF-ON Inc stock PB Ratio (=0.33) is close to 10-year low of 0.33.
The historical rank and industry rank for EF-ON's PB Ratio or its related term are showing as below:
TSE:9514'
s PB Ratio Range Over the Past 10 Years
Min: 0.33 Med: 0.86 Max: 2.88
Current: 0.33
During the past 13 years, EF-ON's highest PB Ratio was 2.88. The lowest was 0.33. And the median was 0.86.
During the past 12 months, EF-ON's average Book Value Per Share Growth Rate was 4.00% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 2.70% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 4.00% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 12.00% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of EF-ON was 128.10% per year. The lowest was -75.70% per year. And the median was 12.40% 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.
EF-ON PB Ratio Related Terms
EF-ON PB Ratio Historical Data
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The historical data trend for EF-ON'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 - Renewable subindustry, EF-ON'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.
EF-ON PB Ratio vs Utilities - Independent Power Producers Industry
For the Utilities - Independent Power Producers industry and Utilities sector, EF-ON's PB Ratio distribution charts can be found below:
* The bar in red indicates where EF-ON'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.
EF-ON'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.
EF-ON (TSE:9514) has a PB Ratio of 0.33 as of Jul. 13, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on EF-ON and its competitors. This is 62% below median its historical median of 0.86. Over the past decade, EF-ON's PB Ratio has ranged from 0.33 to 2.88. According to the industry distribution chart, EF-ON ranks #36 out of 431 companies in the Utilities - Independent Power Producers industry, placing it in the top 8.4%.
Is EF-ON's PB Ratio too high?
EF-ON's current PB Ratio of 0.33 is 62% below median its 10-year median of 0.86. Over the past 10 years, this metric has ranged from a low of 0.33 to a high of 2.88. The Utilities - Independent Power Producers industry median PB Ratio is 1.29. EF-ON's value of 0.33 is 74.4% below this industry median. Based on the distribution chart, EF-ON ranks #36 out of 431 companies in the Utilities - Independent Power Producers industry, which is in the top quartile — a strong position relative to peers. Overall, EF-ON has a GF Score™ of 71/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does EF-ON's PB Ratio compare to competitors?
According to the Utilities - Independent Power Producers industry distribution chart, EF-ON ranks #36 out of 431 companies for PB Ratio. This places EF-ON in the top 8% of its industry — outperforming the majority of peers. The industry median PB Ratio is 1.29. EF-ON's value of 0.33 is 74.4% below this benchmark. Historically, EF-ON's own PB Ratio has ranged from 0.33 to 2.88 over the past decade. While the company's 10-year median is 0.86 vs. the industry median of 1.29, EF-ON 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 - Independent Power Producers company?
The median PB Ratio among Utilities - Independent Power Producers companies is 1.29, based on 431 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. EF-ON's current PB Ratio of 0.33 is 74.4% 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 EF-ON and its competitors. For the Utilities - Independent Power Producers industry, the median PB Ratio is 1.29 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. EF-ON's current PB Ratio is 0.33, which is 62% below median its own 10-year median of 0.86. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is EF-ON stock overvalued right now?
Based on GuruFocus' analysis, EF-ON (TSE:9514) is currently considered Possible Value Trap. The stock's GF Value™ is 円497.99, compared to a current price of 円327.00 — trading 34.3% below its estimated fair value. The current PB Ratio is 0.33, which is 62% below median its 10-year median of 0.86 and 74.4% below the Utilities - Independent Power Producers industry median of 1.29. EF-ON's overall GF Score™ is 71/100 with 6 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 EF-ON (TSE:9514), the current PB Ratio is 0.33 as of Jul. 13, 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 EF-ON (TSE:9514) Overvalued in 2026?
Based on GuruFocus' analysis, EF-ON stock appears to be undervalued.
The current stock price of 円327.00 is trading 34.3% below its estimated GF Value™ of 円497.99.
GuruFocus considers EF-ON to be Possible Value Trap.
Key valuation signals for TSE:9514:
PB Ratio: 0.33 (62% below median its 10-year median of 0.86)
GF Value™: 円497.99 vs. price of 円327.00 (34.3% below fair value)
Industry Position: 74.4% below the Utilities - Independent Power Producers median (#36 of 431)
No single metric tells the full story. See the TSE:9514 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
EF-ON Inc is an energy service company. It operates through two business segments. The Energy Conservation Support Services segment is involved in the investigation and diagnostication of the energy usage for corporation customers, as well as the design, construction and operation of energy conservation facilities and systems. The Biomass Power Generation segment is engaged in the development, construction and operation of new energy power plants.
71GF Score
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