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Optorun CoTSE:6235 -0.69%79 PB Ratio is 1.77 as of Jul. 15, 2026, which is 20% below its 10-year median of 2.21. GuruFocus rates TSE:6235 with a GF Score™ of 79/100 and a GF Value™ of 円2,156.66 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 2,981 Industrial Products companies, Optorun Co ranks better than 58.94% 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 (2026-07-15), Optorun Co's share price is 円3580.00. Optorun Co's Book Value per Share for the quarter that ended in Dec. 2025 was 円2,019.04. Hence, Optorun Co's PB Ratio of today is 1.77.
The historical rank and industry rank for Optorun Co's PB Ratio or its related term are showing as below:
TSE:6235'
s PB Ratio Range Over the Past 10 Years
Min: 0.95 Med: 2.21 Max: 7.56
Current: 1.77
During the past 11 years, Optorun Co's highest PB Ratio was 7.56. The lowest was 0.95. And the median was 2.21.
TSE:6235's PB Ratio is ranked better than 58.94% of 2981
companies
in the Industrial Products industry
Industry Median: 2.17
vs TSE:6235: 1.77
During the past 12 months, Optorun Co's average Book Value Per Share Growth Rate was 2.60% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 6.30% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 9.40% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 13.10% per year.
During the past 11 years, the highest 3-Year average Book Value Per Share Growth Rate of Optorun Co was 18.50% per year. The lowest was 6.30% per year. And the median was 13.15% 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.
Optorun Co PB Ratio Related Terms
Optorun Co PB Ratio Historical Data
* Premium members only.
The historical data trend for Optorun 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 Industrial Machinery subindustry, Optorun 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.
Optorun Co PB Ratio vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Optorun Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where Optorun 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.
Optorun 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.
Optorun Co (TSE:6235) has a PB Ratio of 1.77 as of Jul. 15, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Optorun Co and its competitors. This is 20% below median its historical median of 2.21. Over the past decade, Optorun Co's PB Ratio has ranged from 0.95 to 7.56. According to the industry distribution chart, Optorun Co ranks #1224 out of 2981 companies in the Industrial Products industry, placing it in the top 41.1%.
Is Optorun Co's PB Ratio too high?
Optorun Co's current PB Ratio of 1.77 is 20% below median its 10-year median of 2.21. Over the past 10 years, this metric has ranged from a low of 0.95 to a high of 7.56. The Industrial Products industry median PB Ratio is 2.17. Optorun Co's value of 1.77 is 18.4% below this industry median. Based on the distribution chart, Optorun Co ranks #1224 out of 2981 companies in the Industrial Products industry, which is above the industry midpoint. Overall, Optorun Co has a GF Score™ of 79/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Optorun Co's PB Ratio compare to GEV and ETN?
According to the Industrial Products industry distribution chart, Optorun Co ranks #1224 out of 2981 companies for PB Ratio. This puts Optorun Co in the upper half of its industry. The industry median PB Ratio is 2.17. Optorun Co's value of 1.77 is 18.4% below this benchmark. Historically, Optorun Co's own PB Ratio has ranged from 0.95 to 7.56 over the past decade. While the company's 10-year median is 2.21 vs. the industry median of 2.17, Optorun 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 Industrial Products company?
The median PB Ratio among Industrial Products companies is 2.17, based on 2,981 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. Optorun Co's current PB Ratio of 1.77 is 18.4% 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 Optorun Co and its competitors. For the Industrial Products industry, the median PB Ratio is 2.17 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Optorun Co's current PB Ratio is 1.77, which is 20% below median its own 10-year median of 2.21. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Optorun Co stock overvalued right now?
Based on GuruFocus' analysis, Optorun Co (TSE:6235) is currently considered Significantly Overvalued. The stock's GF Value™ is 円2,156.66, compared to a current price of 円3,580.00 — trading 66% above its estimated fair value. The current PB Ratio is 1.77, which is 20% below median its 10-year median of 2.21 and 18.4% below the Industrial Products industry median of 2.17. Optorun Co's overall GF Score™ is 79/100 with 4 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 Optorun Co (TSE:6235), the current PB Ratio is 1.77 as of Jul. 15, 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 Optorun Co (TSE:6235) Overvalued in 2026?
Based on GuruFocus' analysis, Optorun Co stock appears to be overvalued.
The current stock price of 円3,580.00 is trading 66% above its estimated GF Value™ of 円2,156.66.
GuruFocus considers Optorun Co to be Significantly Overvalued.
Key valuation signals for TSE:6235:
PB Ratio: 1.77 (20% below median its 10-year median of 2.21)
GF Value™: 円2,156.66 vs. price of 円3,580.00 (66% above fair value)
Industry Position: 18.4% below the Industrial Products median (#1224 of 2981)
No single metric tells the full story. See the TSE:6235 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Optorun Co Ltd is engaged in manufacturing, distribution and import/export of vacuum coating machines, peripheral equipment, and units using vacuum coating products. Precise control and physical vapor deposition (PVD) speed stabilization, are the pillars of thin film manufacturing technology. It uses such technology for the performance of RF ion sources, optical film thickness monitors, and sensor units. The company utilizes vacuum deposition equipment in the antireflection coating and hard coating for mobile phones, heat transmission mirrors are used in medical lighting, DVD pickup lenses, and other products.
79GF Score
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