Aiai GroupTSE:6557 +2.15%53 PB Ratio is 1.33 as of Jul. 11, 2026, which is 27% below its 10-year median of 1.83. GuruFocus rates TSE:6557 with a GF Score™ of 53/100 and a GF Value™ of 円1,427.42 (Possible Value Trap). The stock has 6 warning signs investors should review. Among 608 Healthcare Providers & Services companies, Aiai Group ranks better than 69.08% 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 (2026-07-11), Aiai Group's share price is 円664.00. Aiai Group's Book Value per Share for the quarter that ended in Mar. 2026 was 円500.90. Hence, Aiai Group's PB Ratio of today is 1.33.
Good Sign:
Aiai Group Corp stock PB Ratio (=1.27) is close to 3-year low of 1.19.
The historical rank and industry rank for Aiai Group's PB Ratio or its related term are showing as below:
TSE:6557'
s PB Ratio Range Over the Past 10 Years
Min: 1.03 Med: 1.83 Max: 10.77
Current: 1.32
During the past 11 years, Aiai Group's highest PB Ratio was 10.77. The lowest was 1.03. And the median was 1.83.
TSE:6557's PB Ratio is ranked better than 69.08% of 608
companies
in the Healthcare Providers & Services industry
Industry Median: 1.99
vs TSE:6557: 1.32
During the past 12 months, Aiai Group's average Book Value Per Share Growth Rate was 17.20% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 31.60% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 15.00% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 6.70% per year.
During the past 11 years, the highest 3-Year average Book Value Per Share Growth Rate of Aiai Group was 31.60% per year. The lowest was -4.70% per year. And the median was 3.25% 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.
Aiai Group PB Ratio Related Terms
Aiai Group PB Ratio Historical Data
* Premium members only.
The historical data trend for Aiai Group'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 Medical Care Facilities subindustry, Aiai Group'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.
Aiai Group PB Ratio vs Healthcare Providers & Services Industry
For the Healthcare Providers & Services industry and Healthcare sector, Aiai Group's PB Ratio distribution charts can be found below:
* The bar in red indicates where Aiai Group'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.
Aiai Group'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.
Aiai Group (TSE:6557) has a PB Ratio of 1.33 as of Jul. 11, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Aiai Group and its competitors. This is 27% below median its historical median of 1.83. Over the past decade, Aiai Group's PB Ratio has ranged from 1.03 to 10.77. According to the industry distribution chart, Aiai Group ranks #188 out of 608 companies in the Healthcare Providers & Services industry, placing it in the top 30.9%.
Is Aiai Group's PB Ratio too high?
Aiai Group's current PB Ratio of 1.33 is 27% below median its 10-year median of 1.83. Over the past 10 years, this metric has ranged from a low of 1.03 to a high of 10.77. The Healthcare Providers & Services industry median PB Ratio is 1.99. Aiai Group's value of 1.33 is 33.2% below this industry median. Based on the distribution chart, Aiai Group ranks #188 out of 608 companies in the Healthcare Providers & Services industry, which is above the industry midpoint. Overall, Aiai Group has a GF Score™ of 53/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Aiai Group's PB Ratio compare to HCA and THC?
According to the Healthcare Providers & Services industry distribution chart, Aiai Group ranks #188 out of 608 companies for PB Ratio. This puts Aiai Group in the upper half of its industry. The industry median PB Ratio is 1.99. Aiai Group's value of 1.33 is 33.2% below this benchmark. Historically, Aiai Group's own PB Ratio has ranged from 1.03 to 10.77 over the past decade. While the company's 10-year median is 1.83 vs. the industry median of 1.99, Aiai Group 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 a Healthcare Providers & Services company?
The median PB Ratio among Healthcare Providers & Services companies is 1.99, based on 608 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. Aiai Group's current PB Ratio of 1.33 is 33.2% 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 Aiai Group and its competitors. For the Healthcare Providers & Services industry, the median PB Ratio is 1.99 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Aiai Group's current PB Ratio is 1.33, which is 27% below median its own 10-year median of 1.83. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Aiai Group stock overvalued right now?
Based on GuruFocus' analysis, Aiai Group (TSE:6557) is currently considered Possible Value Trap. The stock's GF Value™ is 円1,427.42, compared to a current price of 円664.00 — trading 53.5% below its estimated fair value. The current PB Ratio is 1.33, which is 27% below median its 10-year median of 1.83 and 33.2% below the Healthcare Providers & Services industry median of 1.99. Aiai Group's overall GF Score™ is 53/100 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 Aiai Group (TSE:6557), the current PB Ratio is 1.33 as of Jul. 11, 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 Aiai Group (TSE:6557) Overvalued in 2026?
Based on GuruFocus' analysis, Aiai Group stock appears to be undervalued.
The current stock price of 円664.00 is trading 53.5% below its estimated GF Value™ of 円1,427.42.
GuruFocus considers Aiai Group to be Possible Value Trap.
Key valuation signals for TSE:6557:
PB Ratio: 1.33 (27% below median its 10-year median of 1.83)
GF Value™: 円1,427.42 vs. price of 円664.00 (53.5% below fair value)
Industry Position: 33.2% below the Healthcare Providers & Services median (#188 of 608)
No single metric tells the full story. See the TSE:6557 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Aiai Group Corp is engaged in solving population problems in Japan as social problems and through welfare projects. The company operates in the nursery business, nursing care business projects, and ICT business as a welfare support business.
53GF Score
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