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Jong Shyn Shipbuilding CoROCO:2644 -0.36%54 Gross Margin % is 7.65% as of Dec. 2025, which is 8% above its 10-year median of 7.07. GuruFocus rates ROCO:2644 with a GF Score™ of 54/100 and a GF Value™ of NT$131.51 (Possible Value Trap). The stock has 7 warning signs investors should review. Among 346 Aerospace & Defense companies, Jong Shyn Shipbuilding Co ranks worse than 91.91% on this metric.
Jong Shyn Shipbuilding Co (ROCO:2644) Gross Margin % Explanation
Warren Buffett believes that firms with excellent long term economics tend to have consistently higher margins.
Durable competitive advantage creates a high Gross Margin % because of the freedom to price in excess of cost. Companies can be categorized by their Gross Margin %
1. Greater than 40% = Durable competitive advantage
2. Less than 40% = Competition eroding margins
3. Less than 20% = no sustainable competitive advantage
Consistency of Gross Margin is key
Jong Shyn Shipbuilding Co had a gross margin of 7.65% for the quarter that ended in Dec. 2025 => No sustainable competitive advantage
Be Aware
If a company loses its competitive advantages, usually its gross margin declines well before its sales declines. Watching Gross Margin % and Operating Margin % closely helps avoid value trap situations.
Jong Shyn Shipbuilding Co Gross Margin % Related Terms
Jong Shyn Shipbuilding Co Gross Margin % 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.
ROCO:2644 vs SPCX, GE, RTX: Gross Margin % Comparison
For the Aerospace & Defense subindustry, Jong Shyn Shipbuilding Co's Gross Margin %, along with its competitors' market caps and Gross Margin % 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 Gross Margin % vs Aerospace & Defense Industry
For the Aerospace & Defense industry and Industrials sector, Jong Shyn Shipbuilding Co's Gross Margin % distribution charts can be found below:
* The bar in red indicates where Jong Shyn Shipbuilding Co's Gross Margin % falls into.
* 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.
A positive Gross Profit is only the first step for a company to make a net profit. The gross profit needs to be big enough to also cover related labor, equipment, rental, marketing/advertising, research and development and a lot of other costs in selling the products.
Jong Shyn Shipbuilding Co (ROCO:2644) has a Gross Margin % of 7.65% as of Dec. 2025. Gross margin is the ratio of total gross profit to net sales. View historical data on Jong Shyn Shipbuilding Co and its competitors. This is near median its historical median of 7.07. Over the past decade, Jong Shyn Shipbuilding Co's Gross Margin % has ranged from 4.37 to 8.74. According to the industry distribution chart, Jong Shyn Shipbuilding Co ranks #318 out of 346 companies in the Aerospace & Defense industry, placing it in the top 91.9%.
Is Jong Shyn Shipbuilding Co's Gross Margin % too high?
Jong Shyn Shipbuilding Co's current Gross Margin % of 7.65% is near median its 10-year median of 7.07. Over the past 10 years, this metric has ranged from a low of 4.37 to a high of 8.74. The Aerospace & Defense industry median Gross Margin % is 26.77. Jong Shyn Shipbuilding Co's value of 7.65% is 71.4% below this industry median. Based on the distribution chart, Jong Shyn Shipbuilding Co ranks #318 out of 346 companies in the Aerospace & Defense industry, which is in the bottom quartile relative to peers. 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 Gross Margin % compare to SPCX and GE?
According to the Aerospace & Defense industry distribution chart, Jong Shyn Shipbuilding Co ranks #318 out of 346 companies for Gross Margin %. This places Jong Shyn Shipbuilding Co in the lower half of its industry. The industry median Gross Margin % is 26.77. Jong Shyn Shipbuilding Co's value of 7.65% is 71.4% below this benchmark. Historically, Jong Shyn Shipbuilding Co's own Gross Margin % has ranged from 4.37 to 8.74 over the past decade. While the company's 10-year median is 7.07 vs. the industry median of 26.77, Jong Shyn Shipbuilding 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 Gross Margin % for an Aerospace & Defense company?
The median Gross Margin % among Aerospace & Defense companies is 26.77, based on 346 companies in the industry. Companies in the top quartile (top 25%) have a Gross Margin % significantly above this median, while those in the bottom quartile fall well below. However, Gross Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Jong Shyn Shipbuilding Co's current Gross Margin % of 7.65% is 71.4% 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 Gross Margin % mean?
A high Gross Margin % can signal that a stock is expensive relative to its fundamentals. Gross margin is the ratio of total gross profit to net sales. View historical data on Jong Shyn Shipbuilding Co and its competitors. For the Aerospace & Defense industry, the median Gross Margin % is 26.77 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Jong Shyn Shipbuilding Co's current Gross Margin % is 7.65%, which is near median its own 10-year median of 7.07. 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 Gross Margin % is 7.65%, which is near median its 10-year median of 7.07 and 71.4% below the Aerospace & Defense industry median of 26.77. 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 Gross Margin % calculated?
Gross Margin % is calculated from a company's financial statements. For Jong Shyn Shipbuilding Co (ROCO:2644), the current Gross Margin % is 7.65% as of Dec. 2025. 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:
Gross Margin %: 7.65% (near median its 10-year median of 7.07)
GF Value™: NT$131.51 vs. price of NT$83.90 (36.2% below fair value)
Industry Position: 71.4% below the Aerospace & Defense median (#318 of 346)
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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