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Jong Shyn Shipbuilding Co Ltd stock PB Ratio (=5.1) is close to 1-year low of 4.65.
The historical rank and industry rank for Jong Shyn Shipbuilding Co's PB Ratio or its related term are showing as below:
ROCO:2644'
s PB Ratio Range Over the Past 10 Years
Min: 4.46 Med: 5.48 Max: 10.53
Current: 5.09
During the past 7 years, Jong Shyn Shipbuilding Co's highest PB Ratio was 10.53. The lowest was 4.46. And the median was 5.48.
ROCO:2644's PB Ratio is ranked worse than 66.96% of 342
companies
in the Aerospace & Defense industry
Industry Median: 3.49
vs ROCO:2644: 5.09
During the past 12 months, Jong Shyn Shipbuilding Co's average Book Value Per Share Growth Rate was 0.40% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 5.50% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 2.30% per year.
During the past 7 years, the highest 3-Year average Book Value Per Share Growth Rate of Jong Shyn Shipbuilding Co was 7.00% per year. The lowest was -6.80% per year. And the median was 2.75% per year.
Back to Basics: PB Ratio
Jong Shyn Shipbuilding Co (ROCO:2644) 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.
Jong Shyn Shipbuilding Co PB Ratio Related Terms
Jong Shyn Shipbuilding 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 Aerospace & Defense subindustry, Jong Shyn Shipbuilding 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.
Jong Shyn Shipbuilding Co PB Ratio vs Aerospace & Defense Industry
For the Aerospace & Defense industry and Industrials sector, Jong Shyn Shipbuilding Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where Jong Shyn Shipbuilding 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.
Jong Shyn Shipbuilding Co (ROCO:2644) has a PB Ratio of 5.09 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 Jong Shyn Shipbuilding Co and its competitors. This is near median its historical median of 5.48. Over the past decade, Jong Shyn Shipbuilding Co's PB Ratio has ranged from 4.46 to 10.53. According to the industry distribution chart, Jong Shyn Shipbuilding Co ranks #229 out of 342 companies in the Aerospace & Defense industry, placing it in the top 67%.
Is Jong Shyn Shipbuilding Co's PB Ratio too high?
Jong Shyn Shipbuilding Co's current PB Ratio of 5.09 is near median its 10-year median of 5.48. Over the past 10 years, this metric has ranged from a low of 4.46 to a high of 10.53. The Aerospace & Defense industry median PB Ratio is 3.49. Jong Shyn Shipbuilding Co's value of 5.09 is 45.8% above this industry median. Based on the distribution chart, Jong Shyn Shipbuilding Co ranks #229 out of 342 companies in the Aerospace & Defense industry, which is below the industry midpoint. Overall, Jong Shyn Shipbuilding Co has a GF Score™ of 54/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Jong Shyn Shipbuilding Co's PB Ratio compare to SPCX and GE?
According to the Aerospace & Defense industry distribution chart, Jong Shyn Shipbuilding Co ranks #229 out of 342 companies for PB Ratio. This places Jong Shyn Shipbuilding Co in the lower half of its industry. The industry median PB Ratio is 3.49. Jong Shyn Shipbuilding Co's value of 5.09 is 45.8% above this benchmark. Historically, Jong Shyn Shipbuilding Co's own PB Ratio has ranged from 4.46 to 10.53 over the past decade. While the company's 10-year median is 5.48 vs. the industry median of 3.49, Jong Shyn Shipbuilding 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 an Aerospace & Defense company?
The median PB Ratio among Aerospace & Defense companies is 3.49, based on 342 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. Jong Shyn Shipbuilding Co's current PB Ratio of 5.09 is 45.8% 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 Jong Shyn Shipbuilding Co and its competitors. For the Aerospace & Defense industry, the median PB Ratio is 3.49 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Jong Shyn Shipbuilding Co's current PB Ratio is 5.09, which is near median its own 10-year median of 5.48. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Jong Shyn Shipbuilding Co stock overvalued right now?
Based on GuruFocus' analysis, Jong Shyn Shipbuilding Co (ROCO:2644) is currently considered Possible Value Trap. The stock's GF Value™ is NT$131.51, compared to a current price of NT$83.90 — trading 36.2% below its estimated fair value. The current PB Ratio is 5.09, which is near median its 10-year median of 5.48 and 45.8% above the Aerospace & Defense industry median of 3.49. Jong Shyn Shipbuilding Co's overall GF Score™ is 54/100 with 7 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 Jong Shyn Shipbuilding Co (ROCO:2644), the current PB Ratio is 5.09 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 Jong Shyn Shipbuilding Co (ROCO:2644) Overvalued in 2026?
Based on GuruFocus' analysis, Jong Shyn Shipbuilding Co stock appears to be undervalued.
The current stock price of NT$83.90 is trading 36.2% below its estimated GF Value™ of NT$131.51.
GuruFocus considers Jong Shyn Shipbuilding Co to be Possible Value Trap.
Key valuation signals for ROCO:2644:
PB Ratio: 5.09 (near median its 10-year median of 5.48)
GF Value™: NT$131.51 vs. price of NT$83.90 (36.2% below fair value)
Industry Position: 45.8% above the Aerospace & Defense median (#229 of 342)
No single metric tells the full story. See the ROCO:2644 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Jong Shyn Shipbuilding Co Ltd is engaged in the manufacturing and sale of ship vessels. The construction categories include patrol ships, lifeguard boats, passenger ships, oil and chemical tankers, high-tech research vessels, ultra-low temperature fridge vessels, yachts, and all kinds of fishing boats and others. Its services include Shipbuilding; Ship and Yacht repairing; Shaft Processing and Yacht Maintenance.
54GF Score
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