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.
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.
Rkb Mainichi HoldingsFSE:9407 66 PB Ratio is 0.31 as of Jul. 16, 2026, which is 16% below its 10-year median of 0.37. GuruFocus rates FSE:9407 with a GF Score™ of 66/100 and a GF Value™ of 円7,196.17 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 924 Media - Diversified companies, Rkb Mainichi Holdings ranks better than 92.75% on this metric.
Rkb Mainichi Holdings Corp stock PB Ratio (=0.3) is close to 2-year high of 0.33.
The historical rank and industry rank for Rkb Mainichi Holdings's PB Ratio or its related term are showing as below:
FSE:9407'
s PB Ratio Range Over the Past 10 Years
Min: 0.25 Med: 0.37 Max: 0.45
Current: 0.31
During the past 10 years, Rkb Mainichi Holdings's highest PB Ratio was 0.45. The lowest was 0.25. And the median was 0.37.
FSE:9407's PB Ratio is ranked better than 92.75% of 924
companies
in the Media - Diversified industry
Industry Median: 1.3
vs FSE:9407: 0.31
During the past 12 months, Rkb Mainichi Holdings's average Book Value Per Share Growth Rate was 6.90% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 5.60% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 4.10% per year.
During the past 10 years, the highest 3-Year average Book Value Per Share Growth Rate of Rkb Mainichi Holdings was 5.60% per year. The lowest was 1.80% per year. And the median was 2.60% per year.
Back to Basics: PB Ratio
Rkb Mainichi Holdings (FSE:9407) PB Ratio Explanation
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.
* 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 Broadcasting subindustry, Rkb Mainichi Holdings'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.
Rkb Mainichi Holdings PB Ratio vs Media - Diversified Industry
For the Media - Diversified industry and Communication Services sector, Rkb Mainichi Holdings's PB Ratio distribution charts can be found below:
* The bar in red indicates where Rkb Mainichi Holdings'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.
* 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.
Rkb Mainichi Holdings (FSE:9407) has a PB Ratio of 0.31 as of Jul. 16, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Rkb Mainichi Holdings and its competitors. This is 16% below median its historical median of 0.37. Over the past decade, Rkb Mainichi Holdings' PB Ratio has ranged from 0.25 to 0.45. According to the industry distribution chart, Rkb Mainichi Holdings ranks #67 out of 924 companies in the Media - Diversified industry, placing it in the top 7.3%.
Is Rkb Mainichi Holdings' PB Ratio too high?
Rkb Mainichi Holdings' current PB Ratio of 0.31 is 16% below median its 10-year median of 0.37. Over the past 10 years, this metric has ranged from a low of 0.25 to a high of 0.45. The Media - Diversified industry median PB Ratio is 1.30. Rkb Mainichi Holdings' value of 0.31 is 76.2% below this industry median. Based on the distribution chart, Rkb Mainichi Holdings ranks #67 out of 924 companies in the Media - Diversified industry, which is in the top quartile — a strong position relative to peers. Overall, Rkb Mainichi Holdings has a GF Score™ of 66/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Rkb Mainichi Holdings' PB Ratio compare to NXST?
According to the Media - Diversified industry distribution chart, Rkb Mainichi Holdings ranks #67 out of 924 companies for PB Ratio. This places Rkb Mainichi Holdings in the top 7% of its industry — outperforming the majority of peers. The industry median PB Ratio is 1.30. Rkb Mainichi Holdings' value of 0.31 is 76.2% below this benchmark. Historically, Rkb Mainichi Holdings' own PB Ratio has ranged from 0.25 to 0.45 over the past decade. While the company's 10-year median is 0.37 vs. the industry median of 1.30, Rkb Mainichi Holdings 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 Media - Diversified company?
The median PB Ratio among Media - Diversified companies is 1.30, based on 924 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. Rkb Mainichi Holdings's current PB Ratio of 0.31 is 76.2% 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 Rkb Mainichi Holdings and its competitors. For the Media - Diversified industry, the median PB Ratio is 1.30 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Rkb Mainichi Holdings's current PB Ratio is 0.31, which is 16% below median its own 10-year median of 0.37. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Rkb Mainichi Holdings stock overvalued right now?
Based on GuruFocus' analysis, Rkb Mainichi Holdings (FSE:9407) is currently considered Modestly Undervalued. The stock's GF Value™ is 円7,196.17, compared to a current price of 円5,900.00 — trading 18% below its estimated fair value. The current PB Ratio is 0.31, which is 16% below median its 10-year median of 0.37 and 76.2% below the Media - Diversified industry median of 1.30. Rkb Mainichi Holdings' overall GF Score™ is 66/100 with 5 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 Rkb Mainichi Holdings (FSE:9407), the current PB Ratio is 0.31 as of Jul. 16, 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 Rkb Mainichi Holdings (FSE:9407) Overvalued in 2026?
Based on GuruFocus' analysis, Rkb Mainichi Holdings stock appears to be undervalued.
The current stock price of 円5,900.00 is trading 18% below its estimated GF Value™ of 円7,196.17.
GuruFocus considers Rkb Mainichi Holdings to be Modestly Undervalued.
Key valuation signals for FSE:9407:
PB Ratio: 0.31 (16% below median its 10-year median of 0.37)
GF Value™: 円7,196.17 vs. price of 円5,900.00 (18% below fair value)
Industry Position: 76.2% below the Media - Diversified median (#67 of 924)
No single metric tells the full story. See the FSE:9407 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Rkb Mainichi Holdings Corp is engaged in the broadcasting business in the western area of Japan, including Kyushu. It offers a variety of TV and radio programs and sells commercial spots. Also the company is involved in system related business and real estate management.
66GF Score
Get the complete analysis for FSE:9407
PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
FSE:9407 has been successfully added to your 
