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Aurora Optoelectronics CoSHSE:600666 -0.29%46 PB Ratio is 8.52 as of Jul. 15, 2026, which is 13% above its 10-year median of 7.53. GuruFocus rates SHSE:600666 with a GF Score™ of 46/100 and a GF Value™ of ¥3.10 (Fairly Valued). The stock has 3 warning signs investors should review. Among 922 Drug Manufacturers companies, Aurora Optoelectronics Co ranks worse than 91.21% on this metric.
The historical rank and industry rank for Aurora Optoelectronics Co's PB Ratio or its related term are showing as below:
SHSE:600666'
s PB Ratio Range Over the Past 10 Years
Min: 1.32 Med: 7.53 Max: 300
Current: 8.48
During the past 13 years, Aurora Optoelectronics Co's highest PB Ratio was 300.00. The lowest was 1.32. And the median was 7.53.
SHSE:600666's PB Ratio is ranked worse than 91.21% of 922
companies
in the Drug Manufacturers industry
Industry Median: 1.92
vs SHSE:600666: 8.48
During the past 12 months, Aurora Optoelectronics Co's average Book Value Per Share Growth Rate was 32.20% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -36.40% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Aurora Optoelectronics Co was 102.90% per year. The lowest was -71.40% per year. And the median was 5.70% per year.
Back to Basics: PB Ratio
Aurora Optoelectronics Co (SHSE:600666) 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.
Aurora Optoelectronics Co PB Ratio Related Terms
Aurora Optoelectronics 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.
SHSE:600666 vs LLY, JNJ, ABBV: PB Ratio Comparison
For the Drug Manufacturers - General subindustry, Aurora Optoelectronics 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.
Aurora Optoelectronics Co PB Ratio vs Drug Manufacturers Industry
For the Drug Manufacturers industry and Healthcare sector, Aurora Optoelectronics Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where Aurora Optoelectronics 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.
Aurora Optoelectronics Co (SHSE:600666) has a PB Ratio of 8.52 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 Aurora Optoelectronics Co and its competitors. This is 13% above median its historical median of 7.53. Over the past decade, Aurora Optoelectronics Co's PB Ratio has ranged from 1.32 to 300.00. According to the industry distribution chart, Aurora Optoelectronics Co ranks #841 out of 922 companies in the Drug Manufacturers industry, placing it in the top 91.2%.
Is Aurora Optoelectronics Co's PB Ratio too high?
Aurora Optoelectronics Co's current PB Ratio of 8.52 is 13% above median its 10-year median of 7.53. Over the past 10 years, this metric has ranged from a low of 1.32 to a high of 300.00. The Drug Manufacturers industry median PB Ratio is 1.92. Aurora Optoelectronics Co's value of 8.52 is 343.8% above this industry median. Based on the distribution chart, Aurora Optoelectronics Co ranks #841 out of 922 companies in the Drug Manufacturers industry, which is in the bottom quartile relative to peers. Overall, Aurora Optoelectronics Co has a GF Score™ of 46/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Aurora Optoelectronics Co's PB Ratio compare to LLY and JNJ?
According to the Drug Manufacturers industry distribution chart, Aurora Optoelectronics Co ranks #841 out of 922 companies for PB Ratio. This places Aurora Optoelectronics Co in the lower half of its industry. The industry median PB Ratio is 1.92. Aurora Optoelectronics Co's value of 8.52 is 343.8% above this benchmark. Historically, Aurora Optoelectronics Co's own PB Ratio has ranged from 1.32 to 300.00 over the past decade. While the company's 10-year median is 7.53 vs. the industry median of 1.92, Aurora Optoelectronics 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 Drug Manufacturers company?
The median PB Ratio among Drug Manufacturers companies is 1.92, based on 922 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. Aurora Optoelectronics Co's current PB Ratio of 8.52 is 343.8% 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 Aurora Optoelectronics Co and its competitors. For the Drug Manufacturers industry, the median PB Ratio is 1.92 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Aurora Optoelectronics Co's current PB Ratio is 8.52, which is 13% above median its own 10-year median of 7.53. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Aurora Optoelectronics Co stock overvalued right now?
Based on GuruFocus' analysis, Aurora Optoelectronics Co (SHSE:600666) is currently considered Fairly Valued. The stock's GF Value™ is ¥3.10, compared to a current price of ¥3.39 — trading 9.4% above its estimated fair value. The current PB Ratio is 8.52, which is 13% above median its 10-year median of 7.53 and 343.8% above the Drug Manufacturers industry median of 1.92. Aurora Optoelectronics Co's overall GF Score™ is 46/100 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 Aurora Optoelectronics Co (SHSE:600666), the current PB Ratio is 8.52 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 Aurora Optoelectronics Co (SHSE:600666) Overvalued in 2026?
Based on GuruFocus' analysis, Aurora Optoelectronics Co stock appears to be overvalued.
The current stock price of ¥3.39 is trading 9.4% above its estimated GF Value™ of ¥3.10.
GuruFocus considers Aurora Optoelectronics Co to be Fairly Valued.
Key valuation signals for SHSE:600666:
PB Ratio: 8.52 (13% above median its 10-year median of 7.53)
GF Value™: ¥3.10 vs. price of ¥3.39 (9.4% above fair value)
Industry Position: 343.8% above the Drug Manufacturers median (#841 of 922)
No single metric tells the full story. See the SHSE:600666 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Aurora Optoelectronics Co Ltd is engaged in the manufacturing, processing, and sales of sapphire crystal materials and equipment. Its produces sapphire, 3D glass hot bending machine, Hard and brittle material processing and polishing machine, flat grinding machine, edge grinding machine, milling and carving machine.
46GF Score
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