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Jong Shyn Shipbuilding CoROCO:2644 -0.36%54 Days Inventory is 62.68 as of Dec. 2025, which is 23% above its 10-year median of 50.93. 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 328 Aerospace & Defense companies, Jong Shyn Shipbuilding Co ranks better than 76.22% on this metric.
The historical rank and industry rank for Jong Shyn Shipbuilding Co's Days Inventory or its related term are showing as below:
ROCO:2644'
s Days Inventory Range Over the Past 10 Years
Min: 44.69 Med: 50.93 Max: 77.98
Current: 65.13
During the past 7 years, Jong Shyn Shipbuilding Co's highest Days Inventory was 77.98. The lowest was 44.69. And the median was 50.93.
ROCO:2644's Days Inventory is ranked better than 76.22% of 328
companies
in the Aerospace & Defense industry
Industry Median: 139.17
vs ROCO:2644: 65.13
Inventory Turnover measures how fast the company turns over its inventory within a year.
Jong Shyn Shipbuilding Co's Inventory Turnover for the
six
months ended in Dec. 2025 was 2.91.
Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Jong Shyn Shipbuilding Co's Inventory-to-Revenue for the
six
months ended in Dec. 2025 was 0.32.
Jong Shyn Shipbuilding Co (ROCO:2644) Days Inventory Explanation
Days Inventory indicates the liquidity of the inventory. Generally, a lower Days Inventory is preferred as it indicates a shorter duration to clear off the inventory. An increase of the ratio may indicate the company's sales slowed. Similar ratios related to Days Inventory are:
1. Inventory Turnover measures how fast the company turns over its inventory within a year.
Jong Shyn Shipbuilding Co's Inventory Turnover for the
six
months ended in Dec. 2025 is calculated as
2. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Jong Shyn Shipbuilding Co's Inventory to Revenue for the
six
months ended in Dec. 2025 is calculated as
* 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.
Be Aware
A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.
Jong Shyn Shipbuilding Co Days Inventory Related Terms
Jong Shyn Shipbuilding Co Days Inventory 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: Days Inventory Comparison
For the Aerospace & Defense subindustry, Jong Shyn Shipbuilding Co's Days Inventory, along with its competitors' market caps and Days Inventory 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 Days Inventory vs Aerospace & Defense Industry
For the Aerospace & Defense industry and Industrials sector, Jong Shyn Shipbuilding Co's Days Inventory distribution charts can be found below:
* The bar in red indicates where Jong Shyn Shipbuilding Co's Days Inventory 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.
Jong Shyn Shipbuilding Co (ROCO:2644) has a Days Inventory of 62.68 as of Dec. 2025. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Jong Shyn Shipbuilding Co and its competitors. This is 23% above median its historical median of 50.93. Over the past decade, Jong Shyn Shipbuilding Co's Days Inventory has ranged from 44.69 to 77.98. According to the industry distribution chart, Jong Shyn Shipbuilding Co ranks #78 out of 328 companies in the Aerospace & Defense industry, placing it in the top 23.8%.
Is Jong Shyn Shipbuilding Co's Days Inventory too high?
Jong Shyn Shipbuilding Co's current Days Inventory of 62.68 is 23% above median its 10-year median of 50.93. Over the past 10 years, this metric has ranged from a low of 44.69 to a high of 77.98. The Aerospace & Defense industry median Days Inventory is 139.17. Jong Shyn Shipbuilding Co's value of 62.68 is 55% below this industry median. Based on the distribution chart, Jong Shyn Shipbuilding Co ranks #78 out of 328 companies in the Aerospace & Defense industry, which is in the top quartile — a strong position 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 Days Inventory compare to SPCX and GE?
According to the Aerospace & Defense industry distribution chart, Jong Shyn Shipbuilding Co ranks #78 out of 328 companies for Days Inventory. This places Jong Shyn Shipbuilding Co in the top 24% of its industry — outperforming the majority of peers. The industry median Days Inventory is 139.17. Jong Shyn Shipbuilding Co's value of 62.68 is 55% below this benchmark. Historically, Jong Shyn Shipbuilding Co's own Days Inventory has ranged from 44.69 to 77.98 over the past decade. While the company's 10-year median is 50.93 vs. the industry median of 139.17, 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 Days Inventory for an Aerospace & Defense company?
The median Days Inventory among Aerospace & Defense companies is 139.17, based on 328 companies in the industry. Companies in the top quartile (top 25%) have a Days Inventory significantly above this median, while those in the bottom quartile fall well below. However, Days Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Jong Shyn Shipbuilding Co's current Days Inventory of 62.68 is 55% 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 Days Inventory mean?
A high Days Inventory can signal that a stock is expensive relative to its fundamentals. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Jong Shyn Shipbuilding Co and its competitors. For the Aerospace & Defense industry, the median Days Inventory is 139.17 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Jong Shyn Shipbuilding Co's current Days Inventory is 62.68, which is 23% above median its own 10-year median of 50.93. 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 Days Inventory is 62.68, which is 23% above median its 10-year median of 50.93 and 55% below the Aerospace & Defense industry median of 139.17. 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 Days Inventory calculated?
Days Inventory is calculated from a company's financial statements. For Jong Shyn Shipbuilding Co (ROCO:2644), the current Days Inventory is 62.68 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:
Days Inventory: 62.68 (23% above median its 10-year median of 50.93)
GF Value™: NT$131.51 vs. price of NT$83.90 (36.2% below fair value)
Industry Position: 55% below the Aerospace & Defense median (#78 of 328)
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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