istyle (FRA:IY5) Cyclically Adjusted PB Ratio: 3.53 (As of Sep. 06, 2026) — Near 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.

FRA:IY5 istyle Inc FRA:IY5
78 GF Score
Price €2.82
GF Value €2.68
! 7 Warning Signs
View Full Analysis

What is istyle Cyclically Adjusted PB Ratio?

istyle FRA:IY5 +5.22% 78 Cyclically Adjusted PB Ratio is 3.53 as of Sep. 06, 2026, which is 2% above its 10-year median of 3.47. GuruFocus rates FRA:IY5 with a GF Score™ of 78/100 and a GF Value™ of €2.68. The stock has 7 warning signs investors should review. Among 756 Retail - Cyclical companies, istyle ranks worse than 83.07% on this metric.

As of today (2026-09-06), istyle's current share price is €2.82. istyle's Cyclically Adjusted Book per Share for the quarter that ended in Mar. 2026 was €0.80. istyle's Cyclically Adjusted PB Ratio for today is 3.53.

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

FRA:IY5' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 1.44   Med: 3.47   Max: 6.28
Current: 3.47

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.

FRA:IY5's Cyclically Adjusted PB Ratio is ranked worse than
83.07% of 756 companies
in the Retail - Cyclical industry
Industry Median: 1.24 vs FRA:IY5: 3.47

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 Mar. 2026 was €1.223. 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 €0.80 for the trailing ten years ended in Mar. 2026.

Shiller PE for Stocks: The True Measure of Stock Valuation


istyle  (FRA:IY5) 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 Jun17 Jun18 Jun19 Jun20 Jun21 Jun22 Jun23 Jun24 Jun25 Jun26
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 2.04 4.53 3.71 3.69 0.00

istyle Quarterly Data
Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26 Jun26
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 3.69 3.41 3.11 2.74 0.00

FRA:IY5 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.


FRA:IY5
78GF Score
istyle Inc FRA:IY5
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
=2.82/0.80
=3.53

* 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 Mar. 2026 is calculated as:

For example, istyle'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)
=1.223/112.7000*112.7000
=1.223

Current CPI (Mar. 2026) = 112.7000.

istyle Quarterly Data

Book Value per Share CPI Adj_Book
201606 0.830 98.100 0.954
201609 0.897 98.000 1.032
201612 0.878 98.400 1.006
201703 0.970 98.100 1.114
201706 1.379 98.500 1.578
201709 1.307 98.800 1.491
201712 1.344 99.400 1.524
201803 1.362 99.200 1.547
201806 1.414 99.200 1.606
201809 1.375 99.900 1.551
201812 1.378 99.700 1.558
201903 1.412 99.700 1.596
201906 1.325 99.800 1.496
201909 1.319 100.100 1.485
201912 0.828 100.500 0.929
202003 0.792 100.300 0.890
202006 0.668 99.900 0.754
202009 0.616 99.900 0.695
202012 0.735 99.300 0.834
202103 0.661 99.900 0.746
202106 0.840 99.500 0.951
202109 0.858 100.100 0.966
202112 0.825 100.100 0.929
202203 0.872 101.100 0.972
202206 0.836 101.800 0.926
202209 0.891 103.100 0.974
202212 0.880 104.100 0.953
202303 0.881 104.400 0.951
202306 0.895 105.200 0.959
202309 0.813 106.200 0.863
202312 0.845 106.800 0.892
202403 0.879 107.200 0.924
202406 0.896 108.200 0.933
202409 0.991 108.900 1.026
202412 1.036 110.700 1.055
202503 0.956 111.100 0.970
202506 1.136 111.700 1.146
202509 1.208 112.000 1.216
202512 1.187 113.000 1.184
202603 1.223 112.700 1.223

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 3.53 mean?
istyle (FRA:IY5) has a Cyclically Adjusted PB Ratio of 3.53 as of Sep. 06, 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 near 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 #628 out of 756 companies in the Retail - Cyclical industry, placing it in the top 83.1%.
Is istyle's Cyclically Adjusted PB Ratio too high?
istyle's current Cyclically Adjusted PB Ratio of 3.53 is near 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 3.53 is 184.7% above this industry median. Based on the distribution chart, istyle ranks #628 out of 756 companies in the Retail - Cyclical industry, which is in the bottom quartile relative to peers. Overall, istyle has a GF Score™ of 78/100, 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 #628 out of 756 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 3.53 is 184.7% 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 756 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 3.53 is 184.7% 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 3.53, which is near 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?
istyle (FRA:IY5) has a current Cyclically Adjusted PB Ratio of 3.53. The stock's GF Value™ is €2.68, compared to a current price of €2.82 — trading 5.2% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 3.53, which is near median its 10-year median of 3.47 and 184.7% above the Retail - Cyclical industry median of 1.24. istyle's overall GF Score™ is 78/100 with 7 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 (FRA:IY5), the current Cyclically Adjusted PB Ratio is 3.53 as of Sep. 06, 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 (FRA:IY5) Overvalued in 2026?

Based on GuruFocus' analysis, istyle stock appears to be overvalued. The current stock price of €2.82 is trading 5.2% above its estimated GF Value™ of €2.68.

Key valuation signals for FRA:IY5:

  • Cyclically Adjusted PB Ratio: 3.53 (near median its 10-year median of 3.47)
  • GF Value™: €2.68 vs. price of €2.82 (5.2% above fair value)
  • GF Score™: 78/100 with 7 warning signs
  • Industry Position: 184.7% above the Retail - Cyclical median (#628 of 756)

No single metric tells the full story. See the FRA:IY5 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


istyle Business Description

Other Exchanges 3660:Japan
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.
78GF Score

Get the complete analysis for FRA:IY5

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

€2.82
Price
€2.68
GF Value