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.
Koatsu Gas Kogyo CoTSE:4097 +0.27%72 PB Ratio is 0.74 as of Jul. 24, 2026, which is 3% above its 10-year median of 0.72. GuruFocus rates TSE:4097 with a GF Score™ of 72/100 and a GF Value™ of 円952.45 (Modestly Overvalued). The stock has 5 warning signs investors should review. Among 1,575 Chemicals companies, Koatsu Gas Kogyo Co ranks better than 82.1% on this metric.
Koatsu Gas Kogyo Co Ltd stock PB Ratio (=0.73) is close to 5-year high of 0.79.
The historical rank and industry rank for Koatsu Gas Kogyo Co's PB Ratio or its related term are showing as below:
TSE:4097'
s PB Ratio Range Over the Past 10 Years
Min: 0.51 Med: 0.72 Max: 1.05
Current: 0.74
During the past 13 years, Koatsu Gas Kogyo Co's highest PB Ratio was 1.05. The lowest was 0.51. And the median was 0.72.
TSE:4097's PB Ratio is ranked better than 82.1% of 1575
companies
in the Chemicals industry
Industry Median: 1.66
vs TSE:4097: 0.74
During the past 12 months, Koatsu Gas Kogyo Co's average Book Value Per Share Growth Rate was 6.70% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 7.20% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 6.30% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 5.80% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Koatsu Gas Kogyo Co was 7.80% per year. The lowest was 4.60% per year. And the median was 5.85% per year.
Back to Basics: PB Ratio
Koatsu Gas Kogyo Co (TSE:4097) 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.
Koatsu Gas Kogyo Co PB Ratio Related Terms
Koatsu Gas Kogyo Co PB Ratio Historical Data
* Premium members only.
The historical data trend for Koatsu Gas Kogyo 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 Specialty Chemicals subindustry, Koatsu Gas Kogyo 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.
Koatsu Gas Kogyo Co PB Ratio vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, Koatsu Gas Kogyo Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where Koatsu Gas Kogyo 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.
* 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.
Koatsu Gas Kogyo Co (TSE:4097) has a PB Ratio of 0.74 as of Jul. 24, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Koatsu Gas Kogyo Co and its competitors. This is near median its historical median of 0.72. Over the past decade, Koatsu Gas Kogyo Co's PB Ratio has ranged from 0.51 to 1.05. According to the industry distribution chart, Koatsu Gas Kogyo Co ranks #282 out of 1575 companies in the Chemicals industry, placing it in the top 17.9%.
Is Koatsu Gas Kogyo Co's PB Ratio too high?
Koatsu Gas Kogyo Co's current PB Ratio of 0.74 is near median its 10-year median of 0.72. Over the past 10 years, this metric has ranged from a low of 0.51 to a high of 1.05. The Chemicals industry median PB Ratio is 1.66. Koatsu Gas Kogyo Co's value of 0.74 is 55.4% below this industry median. Based on the distribution chart, Koatsu Gas Kogyo Co ranks #282 out of 1575 companies in the Chemicals industry, which is in the top quartile — a strong position relative to peers. Overall, Koatsu Gas Kogyo Co has a GF Score™ of 72/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Koatsu Gas Kogyo Co's PB Ratio compare to LIN and SHW?
According to the Chemicals industry distribution chart, Koatsu Gas Kogyo Co ranks #282 out of 1575 companies for PB Ratio. This places Koatsu Gas Kogyo Co in the top 18% of its industry — outperforming the majority of peers. The industry median PB Ratio is 1.66. Koatsu Gas Kogyo Co's value of 0.74 is 55.4% below this benchmark. Historically, Koatsu Gas Kogyo Co's own PB Ratio has ranged from 0.51 to 1.05 over the past decade. While the company's 10-year median is 0.72 vs. the industry median of 1.66, Koatsu Gas Kogyo 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 a Chemicals company?
The median PB Ratio among Chemicals companies is 1.66, based on 1,575 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. Koatsu Gas Kogyo Co's current PB Ratio of 0.74 is 55.4% 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 Koatsu Gas Kogyo Co and its competitors. For the Chemicals industry, the median PB Ratio is 1.66 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Koatsu Gas Kogyo Co's current PB Ratio is 0.74, which is near 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 Koatsu Gas Kogyo Co stock overvalued right now?
Based on GuruFocus' analysis, Koatsu Gas Kogyo Co (TSE:4097) is currently considered Modestly Overvalued. The stock's GF Value™ is 円952.45, compared to a current price of 円1,129.00 — trading 18.5% above its estimated fair value. The current PB Ratio is 0.74, which is near median its 10-year median of 0.72 and 55.4% below the Chemicals industry median of 1.66. Koatsu Gas Kogyo Co's overall GF Score™ is 72/100 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 Koatsu Gas Kogyo Co (TSE:4097), the current PB Ratio is 0.74 as of Jul. 24, 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 Koatsu Gas Kogyo Co (TSE:4097) Overvalued in 2026?
Based on GuruFocus' analysis, Koatsu Gas Kogyo Co stock appears to be overvalued.
The current stock price of 円1,129.00 is trading 18.5% above its estimated GF Value™ of 円952.45.
GuruFocus considers Koatsu Gas Kogyo Co to be Modestly Overvalued.
Key valuation signals for TSE:4097:
PB Ratio: 0.74 (near median its 10-year median of 0.72)
GF Value™: 円952.45 vs. price of 円1,129.00 (18.5% above fair value)
Industry Position: 55.4% below the Chemicals median (#282 of 1575)
No single metric tells the full story. See the TSE:4097 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Koatsu Gas Kogyo Co Ltd is engaged in the production and distribution of industrial gases and chemical products. It has three operating business divisions: Gas, Chemical Products and Information Systems. The company supplies various types of gases to a broad range of industrial sectors, from living-related industries to the medical industry. Its chemical products offering includes adhesives, a synthetic resin emulsion, cyanon, special resin and a nonwoven shock-absorbing material. The company offers information systems, such as LSI cards and reader-writers for various industrial fields, such as construction, civil engineering, transportation, and production equipment; and GNSS receiver modules.
72GF Score
Get the complete analysis for TSE:4097
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
TSE:4097 has been successfully added to your 
