istyle (TSE:3660) Cyclically Adjusted PB Ratio: 2.89 (As of Aug. 13, 2026) — 17% Below Median

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TSE:3660 istyle Inc TSE:3660
75 GF Score
Price 円437.00
GF Value 円460.14
Valuation Fairly Valued
! 2 Warning Signs
View Full Analysis

What is istyle Cyclically Adjusted PB Ratio?

istyle TSE:3660 -1.80% 75 Cyclically Adjusted PB Ratio is 2.89 as of Aug. 13, 2026, which is 17% below its 10-year median of 3.47. GuruFocus rates TSE:3660 with a GF Score™ of 75/100 and a GF Value™ of 円460.14 (Fairly Valued). The stock has 2 warning signs investors should review. Among 798 Retail - Cyclical companies, istyle ranks worse than 78.07% on this metric.

As of today (2026-08-13), istyle's current share price is 円437.00. istyle's Cyclically Adjusted Book per Share for the quarter that ended in Dec. 2025 was 円151.30. istyle's Cyclically Adjusted PB Ratio for today is 2.89.

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

TSE:3660' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.44   Med: 3.47   Max: 6.28
Current: 2.89

During the past years, istyle's highest Cyclically Adjusted PB Ratio was 6.28. The lowest was 1.44. And the median was 3.47.

TSE:3660's Cyclically Adjusted PB Ratio is ranked worse than
78.07% of 798 companies
in the Retail - Cyclical industry
Industry Median: 1.24 vs TSE:3660: 2.89

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.

istyle's adjusted book value per share data for the three months ended in Dec. 2025 was 円216.715. 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151.30 for the trailing ten years ended in Dec. 2025.

Shiller PE for Stocks: The True Measure of Stock Valuation


istyle  (TSE:3660) 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.


istyle Cyclically Adjusted PB Ratio Related Terms


istyle Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for istyle'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.

istyle Cyclically Adjusted PB Ratio Chart

istyle 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 0.00 2.04 4.53 3.71 3.69

istyle Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 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 3.20 3.69 3.41 3.11 0.00

TSE:3660 vs CASY, WSM, ULTA: Cyclically Adjusted PB Ratio Comparison

For the Specialty Retail subindustry, istyle'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.


istyle Cyclically Adjusted PB Ratio vs Retail - Cyclical Industry

For the Retail - Cyclical industry and Consumer Cyclical sector, istyle's Cyclically Adjusted PB Ratio distribution charts can be found below:

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


TSE:3660
75GF Score
istyle Inc TSE:3660
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

istyle 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.

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

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=437.00/151.30
=2.89

* 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.

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

For example, istyle'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)
=216.715/113.0000*113.0000
=216.715

Current CPI (Dec. 2025) = 113.0000.

istyle Quarterly Data

Book Value per Share CPI Adj_Book
201603 90.421 97.900 104.367
201606 98.272 98.100 113.198
201609 102.506 98.000 118.196
201612 107.487 98.400 123.435
201703 117.185 98.100 134.984
201706 171.801 98.500 197.092
201709 172.607 98.800 197.415
201712 179.633 99.400 204.211
201803 178.158 99.200 202.942
201806 181.788 99.200 207.077
201809 179.808 99.900 203.386
201812 175.897 99.700 199.362
201903 177.339 99.700 200.996
201906 161.842 99.800 183.248
201909 156.276 100.100 176.415
201912 100.367 100.500 112.850
202003 94.216 100.300 106.146
202006 80.918 99.900 91.529
202009 76.599 99.900 86.644
202012 92.816 99.300 105.621
202103 85.539 99.900 96.756
202106 111.430 99.500 126.549
202109 111.220 100.100 125.553
202112 106.084 100.100 119.755
202203 113.823 101.100 127.221
202206 118.330 101.800 131.349
202209 126.465 103.100 138.609
202212 125.827 104.100 136.585
202303 126.119 104.400 136.508
202306 137.050 105.200 147.212
202309 128.321 106.200 136.537
202312 132.640 106.800 140.340
202403 143.176 107.200 150.922
202406 152.215 108.200 158.968
202409 157.293 108.900 163.215
202412 166.916 110.700 170.384
202503 154.126 111.100 156.762
202506 189.264 111.700 191.467
202509 209.688 112.000 211.560
202512 216.715 113.000 216.715

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 2.89 mean?
istyle (TSE:3660) has a Cyclically Adjusted PB Ratio of 2.89 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 istyle and its competitors. This is 17% below median its historical median of 3.47. Over the past decade, istyle's Cyclically Adjusted PB Ratio has ranged from 1.44 to 6.28. According to the industry distribution chart, istyle ranks #623 out of 798 companies in the Retail - Cyclical industry, placing it in the top 78.1%.
Is istyle's Cyclically Adjusted PB Ratio too high?
istyle's current Cyclically Adjusted PB Ratio of 2.89 is 17% below median its 10-year median of 3.47. Over the past 10 years, this metric has ranged from a low of 1.44 to a high of 6.28. The Retail - Cyclical industry median Cyclically Adjusted PB Ratio is 1.24. istyle's value of 2.89 is 133.1% above this industry median. Based on the distribution chart, istyle ranks #623 out of 798 companies in the Retail - Cyclical industry, which is in the bottom quartile relative to peers. Overall, istyle has a GF Score™ of 75/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does istyle's Cyclically Adjusted PB Ratio compare to CASY and WSM?
According to the Retail - Cyclical industry distribution chart, istyle ranks #623 out of 798 companies for Cyclically Adjusted PB Ratio. This places istyle in the lower half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.24. istyle's value of 2.89 is 133.1% above this benchmark. Historically, istyle's own Cyclically Adjusted PB Ratio has ranged from 1.44 to 6.28 over the past decade. While the company's 10-year median is 3.47 vs. the industry median of 1.24, istyle 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 Retail - Cyclical company?
The median Cyclically Adjusted PB Ratio among Retail - Cyclical companies is 1.24, based on 798 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. istyle's current Cyclically Adjusted PB Ratio of 2.89 is 133.1% 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 istyle and its competitors. For the Retail - Cyclical industry, the median Cyclically Adjusted PB Ratio is 1.24 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. istyle's current Cyclically Adjusted PB Ratio is 2.89, which is 17% below median its own 10-year median of 3.47. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is istyle stock overvalued right now?
Based on GuruFocus' analysis, istyle (TSE:3660) is currently considered Fairly Valued. The stock's GF Value™ is 円460.14, compared to a current price of 円437.00 — trading 5% below its estimated fair value. The current Cyclically Adjusted PB Ratio is 2.89, which is 17% below median its 10-year median of 3.47 and 133.1% above the Retail - Cyclical industry median of 1.24. istyle's overall GF Score™ is 75/100 with 2 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 istyle (TSE:3660), the current Cyclically Adjusted PB Ratio is 2.89 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 istyle (TSE:3660) Overvalued in 2026?

Based on GuruFocus' analysis, istyle stock appears to be undervalued. The current stock price of 円437.00 is trading 5% below its estimated GF Value™ of 円460.14. GuruFocus considers istyle to be Fairly Valued.

Key valuation signals for TSE:3660:

  • Cyclically Adjusted PB Ratio: 2.89 (17% below median its 10-year median of 3.47)
  • GF Value™: 円460.14 vs. price of 円437.00 (5% below fair value)
  • GF Score™: 75/100 with 2 warning signs
  • Industry Position: 133.1% above the Retail - Cyclical median (#623 of 798)

No single metric tells the full story. See the TSE:3660 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


istyle Business Description

Other Exchanges IY5:Germany
Address 34F ARK Mori Building, 1-12-32, Akasaka, Minato-ku, Tokyo, JPN, 107-6034
istyle Inc is engaged in the operation of cosmetics portal Website under the name @cosme. The company operates its business through Media, Electronic Commerce and Store segment. The Media segment involves in the provision of various services including Internet advertising services, such as response advertisings, branding advertisings and affiliate advertisings. The Electronic Commerce segment is engaged in the purchase and sale of cosmetics, quasi drugs, health foods through operating cosmetics online shopping site and the Store segment is involves in the plan and development of cosmetics retail business categories, and the operation of cosmetics retail stores.
75GF Score

Get the complete analysis for TSE:3660

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

円437.00
Price
円460.14
GF Value