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Shanghai Conant Optical CoHKSE:02276 -5.46%78 PB Ratio is 4.19 as of Aug. 19, 2026, which is 68% above its 10-year median of 2.49. GuruFocus rates HKSE:02276 with a GF Score™ of 78/100 and a GF Value™ of HK$15.68 (Significantly Overvalued). The stock has 3 warning signs investors should review. Among 781 Medical Devices & Instruments companies, Shanghai Conant Optical Co ranks worse than 83.35% on this metric.
Shanghai Conant Optical Co Ltd stock PB Ratio (=4.19) is close to 1-year low of 4.19.
The historical rank and industry rank for Shanghai Conant Optical Co's PB Ratio or its related term are showing as below:
HKSE:02276'
s PB Ratio Range Over the Past 10 Years
Min: 1.55 Med: 2.49 Max: 13.89
Current: 4.19
During the past 8 years, Shanghai Conant Optical Co's highest PB Ratio was 13.89. The lowest was 1.55. And the median was 2.49.
HKSE:02276's PB Ratio is ranked worse than 83.35% of 781
companies
in the Medical Devices & Instruments industry
Industry Median: 2.12
vs HKSE:02276: 4.19
During the past 12 months, Shanghai Conant Optical Co's average Book Value Per Share Growth Rate was 64.20% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 29.50% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 29.40% per year.
During the past 8 years, the highest 3-Year average Book Value Per Share Growth Rate of Shanghai Conant Optical Co was 107.50% per year. The lowest was 13.80% per year. And the median was 36.60% 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.
Shanghai Conant Optical Co PB Ratio Related Terms
Shanghai Conant Optical 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.
HKSE:02276 vs ISRG, BDX, MDLN: PB Ratio Comparison
For the Medical Instruments & Supplies subindustry, Shanghai Conant Optical 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.
Shanghai Conant Optical Co PB Ratio vs Medical Devices & Instruments Industry
For the Medical Devices & Instruments industry and Healthcare sector, Shanghai Conant Optical Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where Shanghai Conant Optical 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.
Shanghai Conant Optical Co (HKSE:02276) has a PB Ratio of 4.19 as of Aug. 19, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Shanghai Conant Optical Co and its competitors. This is 68% above median its historical median of 2.49. Over the past decade, Shanghai Conant Optical Co's PB Ratio has ranged from 1.55 to 13.89. According to the industry distribution chart, Shanghai Conant Optical Co ranks #651 out of 781 companies in the Medical Devices & Instruments industry, placing it in the top 83.4%.
Is Shanghai Conant Optical Co's PB Ratio too high?
Shanghai Conant Optical Co's current PB Ratio of 4.19 is 68% above median its 10-year median of 2.49. Over the past 10 years, this metric has ranged from a low of 1.55 to a high of 13.89. The Medical Devices & Instruments industry median PB Ratio is 2.12. Shanghai Conant Optical Co's value of 4.19 is 97.6% above this industry median. Based on the distribution chart, Shanghai Conant Optical Co ranks #651 out of 781 companies in the Medical Devices & Instruments industry, which is in the bottom quartile relative to peers. Overall, Shanghai Conant Optical Co has a GF Score™ of 78/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Shanghai Conant Optical Co's PB Ratio compare to ISRG and BDX?
According to the Medical Devices & Instruments industry distribution chart, Shanghai Conant Optical Co ranks #651 out of 781 companies for PB Ratio. This places Shanghai Conant Optical Co in the lower half of its industry. The industry median PB Ratio is 2.12. Shanghai Conant Optical Co's value of 4.19 is 97.6% above this benchmark. Historically, Shanghai Conant Optical Co's own PB Ratio has ranged from 1.55 to 13.89 over the past decade. While the company's 10-year median is 2.49 vs. the industry median of 2.12, Shanghai Conant Optical 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 Medical Devices & Instruments company?
The median PB Ratio among Medical Devices & Instruments companies is 2.12, based on 781 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. Shanghai Conant Optical Co's current PB Ratio of 4.19 is 97.6% 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 Shanghai Conant Optical Co and its competitors. For the Medical Devices & Instruments industry, the median PB Ratio is 2.12 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Shanghai Conant Optical Co's current PB Ratio is 4.19, which is 68% above median its own 10-year median of 2.49. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Shanghai Conant Optical Co stock overvalued right now?
Based on GuruFocus' analysis, Shanghai Conant Optical Co (HKSE:02276) is currently considered Significantly Overvalued. The stock's GF Value™ is HK$15.68, compared to a current price of HK$38.44 — trading 145.2% above its estimated fair value. The current PB Ratio is 4.19, which is 68% above median its 10-year median of 2.49 and 97.6% above the Medical Devices & Instruments industry median of 2.12. Shanghai Conant Optical Co's overall GF Score™ is 78/100 with 3 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 Shanghai Conant Optical Co (HKSE:02276), the current PB Ratio is 4.19 as of Aug. 19, 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 Shanghai Conant Optical Co (HKSE:02276) Overvalued in 2026?
Based on GuruFocus' analysis, Shanghai Conant Optical Co stock appears to be overvalued.
The current stock price of HK$38.44 is trading 145.2% above its estimated GF Value™ of HK$15.68.
GuruFocus considers Shanghai Conant Optical Co to be Significantly Overvalued.
Key valuation signals for HKSE:02276:
PB Ratio: 4.19 (68% above median its 10-year median of 2.49)
GF Value™: HK$15.68 vs. price of HK$38.44 (145.2% above fair value)
Industry Position: 97.6% above the Medical Devices & Instruments median (#651 of 781)
No single metric tells the full story. See the HKSE:02276 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
AddressNo. 1-42, Lane 83, Hongxiang North Road, 4th Floor, Building 35, Lin-gang Special Area, China (Shanghai) Pilot Free Trade Zone China, Shanghai, CHN
Shanghai Conant Optical Co Ltd is a resin spectacle lens manufacturer in China. The company offers a wide range of resin spectacle lenses to its customers including standardized lenses and customized lenses. The spectacle lenses are also tinted, coated, or cast with various films or coatings for added functionality, such as polarised, photochromic, blue-ray blocking, anti-scratch, anti-reflection, and anti-smudge. Geographically, the company generates a majority of its revenue from Mainland China and the rest from the Americas, Europe, Oceania, Africa, and Asia (except for mainland China). It products include: CR-Freeform; CoMax; AC lens; Gaming Glassed, Antifog Lens; MyoEase; Polycarbonate lens; Photochromic coating lens; SingleVision Finished Lens; and Others.
78GF Score
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