EF-ON (TSE:9514) Cyclically Adjusted PB Ratio: 0.46 (As of Aug. 12, 2026) — 65% Below Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

TSE:9514 EF-ON Inc TSE:9514
74 GF Score
Price 円335.00
GF Value 円499.51
Valuation Possible Value Trap
! 6 Warning Signs
View Full Analysis

What is EF-ON Cyclically Adjusted PB Ratio?

EF-ON TSE:9514 +1.52% 74 Cyclically Adjusted PB Ratio is 0.46 as of Aug. 12, 2026, which is 65% below its 10-year median of 1.31. GuruFocus rates TSE:9514 with a GF Score™ of 74/100 and a GF Value™ of 円499.51 (Possible Value Trap). The stock has 6 warning signs investors should review. Among 274 Utilities - Independent Power Producers companies, EF-ON ranks better than 79.56% on this metric.

As of today (2026-08-12), EF-ON's current share price is 円335.00. EF-ON's Cyclically Adjusted Book per Share for the quarter that ended in Dec. 2025 was 円730.27. EF-ON's Cyclically Adjusted PB Ratio for today is 0.46.

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

TSE:9514' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.44   Med: 1.31   Max: 6.22
Current: 0.44

During the past years, EF-ON's highest Cyclically Adjusted PB Ratio was 6.22. The lowest was 0.44. And the median was 1.31.

TSE:9514's Cyclically Adjusted PB Ratio is ranked better than
79.56% of 274 companies
in the Utilities - Independent Power Producers industry
Industry Median: 1.095 vs TSE:9514: 0.44

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.

EF-ON's adjusted book value per share data for the three months ended in Dec. 2025 was 円887.644. 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 円730.27 for the trailing ten years ended in Dec. 2025.

Shiller PE for Stocks: The True Measure of Stock Valuation


EF-ON  (TSE:9514) 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.


EF-ON Cyclically Adjusted PB Ratio Related Terms


EF-ON Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for EF-ON'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.

EF-ON Cyclically Adjusted PB Ratio Chart

EF-ON Annual Data
Trend Jun16 Jun17 Jun18 Jun19 Jun20 Jun21 Jun22 Jun23 Jun24 Jun25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 2.72 1.20 1.02 0.64 0.46

EF-ON Quarterly Data
Dec20 Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Dec24 Mar25 Jun25 Dec25 Mar26
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 0.58 0.50 0.46 0.48 0.00

EF-ON Cyclically Adjusted PB Ratio Competitor Comparison

For the Utilities - Renewable subindustry, EF-ON'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.


EF-ON Cyclically Adjusted PB Ratio vs Utilities - Independent Power Producers Industry

For the Utilities - Independent Power Producers industry and Utilities sector, EF-ON's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


TSE:9514
74GF Score
EF-ON Inc TSE:9514
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

EF-ON 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.

EF-ON's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=335.00/730.27
=0.46

* 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.

EF-ON's Cyclically Adjusted Book per Share for the quarter that ended in Dec. 2025 is calculated as:

For example, EF-ON's adjusted Book Value per Share data for the three months ended in Dec. 2025 was:

Adj_Book=Book Value per Share/CPI of Dec. 2025 (Change)*Current CPI (Dec. 2025)
=887.644/113.0000*113.0000
=887.644

Current CPI (Dec. 2025) = 113.0000.

EF-ON Quarterly Data

Book Value per Share CPI Adj_Book
201509 274.748 98.500 315.193
201512 285.694 98.100 329.087
201603 299.030 97.900 345.152
201606 352.952 98.100 406.560
201609 363.662 98.000 419.325
201612 398.903 98.400 458.090
201703 418.567 98.100 482.141
201706 442.750 98.500 507.926
201709 468.278 98.800 535.581
201712 495.990 99.400 563.852
201803 522.764 99.200 595.487
201806 550.845 99.200 627.475
201809 572.447 99.900 647.513
201812 588.507 99.700 667.014
201903 612.778 99.700 694.523
201906 640.866 99.800 725.630
201909 649.244 100.100 732.913
201912 666.066 100.500 748.910
202003 694.348 100.300 782.266
202006 713.190 99.900 806.711
202009 730.428 99.900 826.210
202012 750.809 99.300 854.395
202103 767.076 99.900 867.664
202106 782.132 99.500 888.250
202109 788.094 100.100 889.657
202112 791.607 100.100 893.622
202203 802.930 101.100 897.439
202206 816.214 101.800 906.014
202209 824.080 103.100 903.211
202212 840.276 104.100 912.115
202303 853.120 104.400 923.396
202306 846.512 105.200 909.276
202309 843.114 106.200 897.099
202312 854.440 106.800 904.042
202403 851.723 107.200 897.805
202406 853.725 108.200 891.598
202412 868.642 110.700 886.690
202503 875.118 111.100 890.084
202506 883.154 111.700 893.432
202512 887.644 113.000 887.644

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 0.46 mean?
EF-ON (TSE:9514) has a Cyclically Adjusted PB Ratio of 0.46 as of Aug. 12, 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 EF-ON and its competitors. This is 65% below median its historical median of 1.31. Over the past decade, EF-ON's Cyclically Adjusted PB Ratio has ranged from 0.44 to 6.22. According to the industry distribution chart, EF-ON ranks #56 out of 274 companies in the Utilities - Independent Power Producers industry, placing it in the top 20.4%.
Is EF-ON's Cyclically Adjusted PB Ratio too high?
EF-ON's current Cyclically Adjusted PB Ratio of 0.46 is 65% below median its 10-year median of 1.31. Over the past 10 years, this metric has ranged from a low of 0.44 to a high of 6.22. The Utilities - Independent Power Producers industry median Cyclically Adjusted PB Ratio is 1.10. EF-ON's value of 0.46 is 58% below this industry median. Based on the distribution chart, EF-ON ranks #56 out of 274 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 74/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does EF-ON's Cyclically Adjusted PB Ratio compare to competitors?
According to the Utilities - Independent Power Producers industry distribution chart, EF-ON ranks #56 out of 274 companies for Cyclically Adjusted PB Ratio. This places EF-ON in the top 20% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 1.10. EF-ON's value of 0.46 is 58% below this benchmark. Historically, EF-ON's own Cyclically Adjusted PB Ratio has ranged from 0.44 to 6.22 over the past decade. While the company's 10-year median is 1.31 vs. the industry median of 1.10, 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 Cyclically Adjusted PB Ratio for an Utilities - Independent Power Producers company?
The median Cyclically Adjusted PB Ratio among Utilities - Independent Power Producers companies is 1.10, based on 274 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. EF-ON's current Cyclically Adjusted PB Ratio of 0.46 is 58% 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 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 EF-ON and its competitors. For the Utilities - Independent Power Producers industry, the median Cyclically Adjusted PB Ratio is 1.10 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. EF-ON's current Cyclically Adjusted PB Ratio is 0.46, which is 65% below median its own 10-year median of 1.31. 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499.51, compared to a current price of 円335.00 — trading 32.9% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 0.46, which is 65% below median its 10-year median of 1.31 and 58% below the Utilities - Independent Power Producers industry median of 1.10. EF-ON's overall GF Score™ is 74/100 with 6 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 EF-ON (TSE:9514), the current Cyclically Adjusted PB Ratio is 0.46 as of Aug. 12, 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335.00 is trading 32.9% below its estimated GF Value™ of 円499.51. GuruFocus considers EF-ON to be Possible Value Trap.

Key valuation signals for TSE:9514:

  • Cyclically Adjusted PB Ratio: 0.46 (65% below median its 10-year median of 1.31)
  • GF Value™: 円499.51 vs. price of 円335.00 (32.9% below fair value)
  • GF Score™: 74/100 with 6 warning signs
  • Industry Position: 58% below the Utilities - Independent Power Producers median (#56 of 274)

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 Business Description

Address 1-9-2 Marunouchi, 17tth Floor, Gran Tokyo South Tower, Chiyoda-ku, Tokyo, JPN, 100-6617
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.
74GF Score

Get the complete analysis for TSE:9514

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

円335.00
Price
円499.51
GF Value