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.
The historical rank and industry rank for OPT Machine Vision Tech Co's PB Ratio or its related term are showing as below:
SHSE:688686'
s PB Ratio Range Over the Past 10 Years
Min: 1.81 Med: 5.39 Max: 15.55
Current: 4.36
During the past 9 years, OPT Machine Vision Tech Co's highest PB Ratio was 15.55. The lowest was 1.81. And the median was 5.39.
SHSE:688686's PB Ratio is ranked worse than 74.66% of 2419
companies
in the Hardware industry
Industry Median: 2.22
vs SHSE:688686: 4.36
During the past 12 months, OPT Machine Vision Tech Co's average Book Value Per Share Growth Rate was 6.10% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 3.20% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 5.60% per year.
During the past 9 years, the highest 3-Year average Book Value Per Share Growth Rate of OPT Machine Vision Tech Co was 96.90% per year. The lowest was 3.20% per year. And the median was 31.20% per year.
Back to Basics: PB Ratio
OPT Machine Vision Tech Co (SHSE:688686) 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.
OPT Machine Vision Tech Co PB Ratio Related Terms
OPT Machine Vision Tech Co PB Ratio Historical Data
* 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 Electronic Components subindustry, OPT Machine Vision Tech 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.
OPT Machine Vision Tech Co PB Ratio vs Hardware Industry
For the Hardware industry and Technology sector, OPT Machine Vision Tech Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where OPT Machine Vision Tech 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.
OPT Machine Vision Tech Co (SHSE:688686) has a PB Ratio of 4.36 as of Jul. 23, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on OPT Machine Vision Tech Co and its competitors. This is 19% below median its historical median of 5.39. Over the past decade, OPT Machine Vision Tech Co's PB Ratio has ranged from 1.81 to 15.55. According to the industry distribution chart, OPT Machine Vision Tech Co ranks #1806 out of 2419 companies in the Hardware industry, placing it in the top 74.7%.
Is OPT Machine Vision Tech Co's PB Ratio too high?
OPT Machine Vision Tech Co's current PB Ratio of 4.36 is 19% below median its 10-year median of 5.39. Over the past 10 years, this metric has ranged from a low of 1.81 to a high of 15.55. The Hardware industry median PB Ratio is 2.22. OPT Machine Vision Tech Co's value of 4.36 is 96.4% above this industry median. Based on the distribution chart, OPT Machine Vision Tech Co ranks #1806 out of 2419 companies in the Hardware industry, which is below the industry midpoint. Overall, OPT Machine Vision Tech Co has a GF Score™ of 93/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does OPT Machine Vision Tech Co's PB Ratio compare to APH and GLW?
According to the Hardware industry distribution chart, OPT Machine Vision Tech Co ranks #1806 out of 2419 companies for PB Ratio. This places OPT Machine Vision Tech Co in the lower half of its industry. The industry median PB Ratio is 2.22. OPT Machine Vision Tech Co's value of 4.36 is 96.4% above this benchmark. Historically, OPT Machine Vision Tech Co's own PB Ratio has ranged from 1.81 to 15.55 over the past decade. While the company's 10-year median is 5.39 vs. the industry median of 2.22, OPT Machine Vision Tech Co has consistently been above 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 Hardware company?
The median PB Ratio among Hardware companies is 2.22, based on 2,419 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. OPT Machine Vision Tech Co's current PB Ratio of 4.36 is 96.4% above 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 OPT Machine Vision Tech Co and its competitors. For the Hardware industry, the median PB Ratio is 2.22 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. OPT Machine Vision Tech Co's current PB Ratio is 4.36, which is 19% below median its own 10-year median of 5.39. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is OPT Machine Vision Tech Co stock overvalued right now?
Based on GuruFocus' analysis, OPT Machine Vision Tech Co (SHSE:688686) is currently considered Modestly Undervalued. The stock's GF Value™ is ¥136.26, compared to a current price of ¥111.65 — trading 18.1% below its estimated fair value. The current PB Ratio is 4.36, which is 19% below median its 10-year median of 5.39 and 96.4% above the Hardware industry median of 2.22. OPT Machine Vision Tech Co's overall GF Score™ is 93/100 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 OPT Machine Vision Tech Co (SHSE:688686), the current PB Ratio is 4.36 as of Jul. 23, 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 OPT Machine Vision Tech Co (SHSE:688686) Overvalued in 2026?
Based on GuruFocus' analysis, OPT Machine Vision Tech Co stock appears to be undervalued.
The current stock price of ¥111.65 is trading 18.1% below its estimated GF Value™ of ¥136.26.
GuruFocus considers OPT Machine Vision Tech Co to be Modestly Undervalued.
Key valuation signals for SHSE:688686:
PB Ratio: 4.36 (19% below median its 10-year median of 5.39)
GF Value™: ¥136.26 vs. price of ¥111.65 (18.1% below fair value)
Industry Position: 96.4% above the Hardware median (#1806 of 2419)
No single metric tells the full story. See the SHSE:688686 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
OPT Machine Vision Tech Co Ltd is a supplier of core automation components. OPT products include vision systems, light sources, lenses, industrial cameras, 3D laser sensors, industrial barcode readers and others.
93GF Score
Get the complete analysis for SHSE:688686
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
SHSE:688686 has been successfully added to your 
