fonfun (TSE:2323) Cyclically Adjusted PB Ratio: 9.61 (As of Aug. 13, 2026) — 371% Above Median

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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.
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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:2323 fonfun Corp TSE:2323
64 GF Score
Price 円290.00
GF Value 円434.71
Valuation Possible Value Trap
! 4 Warning Signs
View Full Analysis

What is fonfun Cyclically Adjusted PB Ratio?

fonfun TSE:2323 +4.69% 64 Cyclically Adjusted PB Ratio is 9.61 as of Aug. 13, 2026, which is 371% above its 10-year median of 2.04. GuruFocus rates TSE:2323 with a GF Score™ of 64/100 and a GF Value™ of 円434.71 (Possible Value Trap). The stock has 4 warning signs investors should review. Among 1,551 Software companies, fonfun ranks worse than 87.81% on this metric.

As of today (2026-08-13), fonfun's current share price is 円290.00. fonfun's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was 円30.18. fonfun's Cyclically Adjusted PB Ratio for today is 9.61.

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

TSE:2323' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.71   Med: 2.04   Max: 12.36
Current: 9.11

During the past years, fonfun's highest Cyclically Adjusted PB Ratio was 12.36. The lowest was 0.71. And the median was 2.04.

TSE:2323's Cyclically Adjusted PB Ratio is ranked worse than
87.81% of 1551 companies
in the Software industry
Industry Median: 2.31 vs TSE:2323: 9.11

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.

fonfun's adjusted book value per share data for the three months ended in Mar. 2026 was 円67.314. 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30.18 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


fonfun  (TSE:2323) 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.


fonfun Cyclically Adjusted PB Ratio Related Terms


fonfun Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for fonfun'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.

fonfun Cyclically Adjusted PB Ratio Chart

fonfun Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 2.11 2.29 5.66 4.98 10.84

fonfun Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Mar25 Jun25 Sep25 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 4.98 5.12 10.42 11.39 10.84

TSE:2323 vs IBM, ACN, FISV: Cyclically Adjusted PB Ratio Comparison

For the Information Technology Services subindustry, fonfun'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.


fonfun Cyclically Adjusted PB Ratio vs Software Industry

For the Software industry and Technology sector, fonfun's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


TSE:2323
64GF Score
fonfun Corp TSE:2323
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

fonfun 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.

fonfun's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=290.00/30.18
=9.61

* 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.

fonfun's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 is calculated as:

For example, fonfun's adjusted Book Value per Share data for the three months ended in Mar. 2026 was:

Adj_Book=Book Value per Share/CPI of Mar. 2026 (Change)*Current CPI (Mar. 2026)
=67.314/112.7000*112.7000
=67.314

Current CPI (Mar. 2026) = 112.7000.

fonfun Quarterly Data

Book Value per Share CPI Adj_Book
201603 22.337 97.900 25.714
201606 21.957 98.100 25.225
201609 21.243 98.000 24.429
201612 20.585 98.400 23.577
201703 20.511 98.100 23.564
201706 19.449 98.500 22.253
201709 18.868 98.800 21.523
201712 18.434 99.400 20.901
201803 19.046 99.200 21.638
201806 18.510 99.200 21.029
201809 18.263 99.900 20.603
201812 18.312 99.700 20.700
201903 18.693 99.700 21.130
201906 18.858 99.800 21.296
201909 18.864 100.100 21.238
201912 26.403 100.500 29.608
202003 26.436 100.300 29.704
202006 26.856 99.900 30.297
202009 27.158 99.900 30.638
202012 28.113 99.300 31.907
202103 28.498 99.900 32.149
202106 28.560 99.500 32.349
202109 27.427 100.100 30.879
202112 27.270 100.100 30.703
202203 27.639 101.100 30.810
202206 27.708 101.800 30.675
202209 28.079 103.100 30.694
202212 29.133 104.100 31.540
202303 27.484 104.400 29.669
202306 30.048 105.200 32.190
202309 31.593 106.200 33.527
202312 33.026 106.800 34.850
202403 31.071 107.200 32.665
202406 33.102 108.200 34.479
202409 39.257 108.900 40.627
202503 45.567 111.100 46.223
202506 47.637 111.700 48.063
202509 51.283 112.000 51.604
202512 19.133 113.000 19.082
202603 67.314 112.700 67.314

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 9.61 mean?
fonfun (TSE:2323) has a Cyclically Adjusted PB Ratio of 9.61 as of Aug. 13, 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 fonfun and its competitors. This is 371% above median its historical median of 2.04. Over the past decade, fonfun's Cyclically Adjusted PB Ratio has ranged from 0.71 to 12.36. According to the industry distribution chart, fonfun ranks #1362 out of 1551 companies in the Software industry, placing it in the top 87.8%.
Is fonfun's Cyclically Adjusted PB Ratio too high?
fonfun's current Cyclically Adjusted PB Ratio of 9.61 is 371% above median its 10-year median of 2.04. Over the past 10 years, this metric has ranged from a low of 0.71 to a high of 12.36. The Software industry median Cyclically Adjusted PB Ratio is 2.31. fonfun's value of 9.61 is 316% above this industry median. Based on the distribution chart, fonfun ranks #1362 out of 1551 companies in the Software industry, which is in the bottom quartile relative to peers. Overall, fonfun has a GF Score™ of 64/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does fonfun's Cyclically Adjusted PB Ratio compare to IBM and ACN?
According to the Software industry distribution chart, fonfun ranks #1362 out of 1551 companies for Cyclically Adjusted PB Ratio. This places fonfun in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 2.31. fonfun's value of 9.61 is 316% above this benchmark. Historically, fonfun's own Cyclically Adjusted PB Ratio has ranged from 0.71 to 12.36 over the past decade. While the company's 10-year median is 2.04 vs. the industry median of 2.31, fonfun 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 Cyclically Adjusted PB Ratio for a Software company?
The median Cyclically Adjusted PB Ratio among Software companies is 2.31, based on 1,551 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. fonfun's current Cyclically Adjusted PB Ratio of 9.61 is 316% 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 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 fonfun and its competitors. For the Software industry, the median Cyclically Adjusted PB Ratio is 2.31 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. fonfun's current Cyclically Adjusted PB Ratio is 9.61, which is 371% above median its own 10-year median of 2.04. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is fonfun stock overvalued right now?
Based on GuruFocus' analysis, fonfun (TSE:2323) is currently considered Possible Value Trap. The stock's GF Value™ is 円434.71, compared to a current price of 円290.00 — trading 33.3% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 9.61, which is 371% above median its 10-year median of 2.04 and 316% above the Software industry median of 2.31. fonfun's overall GF Score™ is 64/100 with 4 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 fonfun (TSE:2323), the current Cyclically Adjusted PB Ratio is 9.61 as of Aug. 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 fonfun (TSE:2323) Overvalued in 2026?

Based on GuruFocus' analysis, fonfun stock appears to be undervalued. The current stock price of 円290.00 is trading 33.3% below its estimated GF Value™ of 円434.71. GuruFocus considers fonfun to be Possible Value Trap.

Key valuation signals for TSE:2323:

  • Cyclically Adjusted PB Ratio: 9.61 (371% above median its 10-year median of 2.04)
  • GF Value™: 円434.71 vs. price of 円290.00 (33.3% below fair value)
  • GF Score™: 64/100 with 4 warning signs
  • Industry Position: 316% above the Software median (#1362 of 1551)

No single metric tells the full story. See the TSE:2323 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


fonfun Business Description

Address 2-1-6 Sasazuka Shibuya-ku, JMF Building Sasazuka 01, 6th floor, Tokyo, JPN
fonfun Corp provides various content services with a focus on services for the Internet-enabled mobile phone. Its web security business provides web application diagnosis and network diagnostics. Its segments include: Remote mail business, SMS business, Contracted software development business, and Voice mail business. The company derives maximum revenue from SMS business.
64GF Score

Get the complete analysis for TSE:2323

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

円290.00
Price
円434.71
GF Value