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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 (2026-07-25), TAC Co's share price is 円347.00. TAC Co's Book Value per Share for the quarter that ended in Sep. 2025 was 円370.76. Hence, TAC Co's PB Ratio of today is 0.94.
Warning Sign:
TAC Co Ltd stock PB Ratio (=0.94) is close to 5-year high of 1.02.
The historical rank and industry rank for TAC Co's PB Ratio or its related term are showing as below:
TSE:4319'
s PB Ratio Range Over the Past 10 Years
Min: 0.46 Med: 0.72 Max: 1.39
Current: 0.94
During the past 13 years, TAC Co's highest PB Ratio was 1.39. The lowest was 0.46. And the median was 0.72.
TSE:4319's PB Ratio is not ranked
in the Education industry.
Industry Median: 1.4
vs TSE:4319: 0.94
During the past 12 months, TAC Co's average Book Value Per Share Growth Rate was 5.40% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 1.00% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 2.50% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 3.80% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of TAC Co was 26.00% per year. The lowest was -19.00% per year. And the median was 3.90% 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.
TAC Co PB Ratio Related Terms
TAC Co PB Ratio Historical Data
* Premium members only.
The historical data trend for TAC Co'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 Education & Training Services subindustry, TAC Co'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.
TAC Co PB Ratio vs Education Industry
For the Education industry and Consumer Defensive sector, TAC Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where TAC Co'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.
TAC Co'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.
TAC Co (TSE:4319) has a PB Ratio of 0.94 as of Jul. 25, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on TAC Co and its competitors. This is 31% above median its historical median of 0.72. Over the past decade, TAC Co's PB Ratio has ranged from 0.46 to 1.39.
Is TAC Co's PB Ratio too high?
TAC Co's current PB Ratio of 0.94 is 31% above median its 10-year median of 0.72. Over the past 10 years, this metric has ranged from a low of 0.46 to a high of 1.39. The Education industry median PB Ratio is 1.40. TAC Co's value of 0.94 is 32.9% below this industry median. Overall, TAC Co has a GF Score™ of 42/100, reflecting its overall financial health beyond just this single metric.
How does TAC Co's PB Ratio compare to EDU and TAL?
TAC Co's PB Ratio of 0.94 can be compared against companies in the Education industry. The industry median PB Ratio is 1.40. TAC Co's value of 0.94 is 32.9% below this benchmark. Historically, TAC Co's own PB Ratio has ranged from 0.46 to 1.39 over the past decade. While the company's 10-year median is 0.72 vs. the industry median of 1.40, TAC Co 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 an Education company?
The median PB Ratio among Education companies is 1.40, based on 254 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. TAC Co's current PB Ratio of 0.94 is 32.9% 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 TAC Co and its competitors. For the Education industry, the median PB Ratio is 1.40 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. TAC Co's current PB Ratio is 0.94, which is 31% above median its own 10-year median of 0.72. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is TAC Co stock overvalued right now?
TAC Co (TSE:4319) has a current PB Ratio of 0.94. The stock's GF Value™ is 円192.17, compared to a current price of 円347.00 — trading 80.6% above its estimated fair value. The current PB Ratio is 0.94, which is 31% above median its 10-year median of 0.72 and 32.9% below the Education industry median of 1.40. TAC Co's overall GF Score™ is 42/100 with 10 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 TAC Co (TSE:4319), the current PB Ratio is 0.94 as of Jul. 25, 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 TAC Co (TSE:4319) Overvalued in 2026?
Based on GuruFocus' analysis, TAC Co stock appears to be overvalued.
The current stock price of 円347.00 is trading 80.6% above its estimated GF Value™ of 円192.17.
Key valuation signals for TSE:4319:
PB Ratio: 0.94 (31% above median its 10-year median of 0.72)
GF Value™: 円192.17 vs. price of 円347.00 (80.6% above fair value)
Industry Position: 32.9% below the Education median
No single metric tells the full story. See the TSE:4319 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
TAC Co Ltd is a Japan-based company engages in providing educational services. The company is engaged in the personal education, corporate training, publishing, and manpower businesses. Its personal education business division offers preparatory courses for qualifications for individual students and provides training for corporations.
42GF Score
Get the complete analysis for TSE:4319
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