Jong Shyn Shipbuilding Co (ROCO:2644) PEG Ratio: N/A (As of Jul. 23, 2026)

Author: Vera Yuan Vera Yuan
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Director of Data and Quant Analytics at GuruFocus
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Charlie Tian
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Founder & CEO of GuruFocus
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ROCO:2644 Jong Shyn Shipbuilding Co Ltd ROCO:2644
54 GF Score
Price NT$83.90
GF Value NT$131.51
Valuation Possible Value Trap
! 7 Warning Signs
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What is Jong Shyn Shipbuilding Co PEG Ratio?

PE Ratio without NRI / 5-Year EBITDA Growth Rate*

PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The growth rate we use is the 5-Year EBITDA growth rate. As of today, Jong Shyn Shipbuilding Co's PE Ratio without NRI is 224.93. Jong Shyn Shipbuilding Co's 5-Year EBITDA growth rate is -0.80%. Therefore, Jong Shyn Shipbuilding Co's PEG Ratio for today is N/A.

* The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.


The historical rank and industry rank for Jong Shyn Shipbuilding Co's PEG Ratio or its related term are showing as below:



ROCO:2644's PEG Ratio is not ranked *
in the Aerospace & Defense industry.
Industry Median: 2.415
* Ranked among companies with meaningful PEG Ratio only.

Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.


Jong Shyn Shipbuilding Co  (ROCO:2644) PEG Ratio Explanation

To compare stocks with different growth rates, Peter Lynch invented a ratio called PEG Ratio. PEG Ratio is defined as the P/E ratio divided by the growth ratio. He thinks a company with a P/E ratio equal to its growth rate is fairly valued. Still he said he would rather buy a company growing 20% a year with a P/E of 20, instead of a company growing 10% a year with a P/E of 10.


Jong Shyn Shipbuilding Co PEG Ratio Related Terms


Jong Shyn Shipbuilding Co PEG Ratio Historical Data

* Premium members only.

The historical data trend for Jong Shyn Shipbuilding Co's PEG Ratio can be seen below:

* 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 PEG Ratio Chart

Jong Shyn Shipbuilding Co Annual Data
Trend Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
PEG Ratio
Get a 7-Day Free Trial 0.00 0.00 0.00 0.00 0.00

Jong Shyn Shipbuilding Co Semi-Annual Data
Dec19 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
PEG Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.00

ROCO:2644 vs SPCX, GE, RTX: PEG Ratio Comparison

For the Aerospace & Defense subindustry, Jong Shyn Shipbuilding Co's PEG Ratio, along with its competitors' market caps and PEG 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 PEG Ratio vs Aerospace & Defense Industry

For the Aerospace & Defense industry and Industrials sector, Jong Shyn Shipbuilding Co's PEG Ratio distribution charts can be found below:

* The bar in red indicates where Jong Shyn Shipbuilding Co's PEG Ratio falls into.


ROCO:2644
54GF Score
Jong Shyn Shipbuilding Co Ltd ROCO:2644
PEG Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Jong Shyn Shipbuilding Co PEG Ratio Calculation

PEG Ratio is defined as the PE Ratio without NRI divided by the growth ratio. The ratio we use is the 5-Year EBITDA growth rate.

Jong Shyn Shipbuilding Co's PEG Ratio for today is calculated as

PEG Ratio=PE Ratio without NRI/5-Year EBITDA Growth Rate*
=224.93297587131/-0.80
=N/A

* 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.

* Note: The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.

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:

  • PEG Ratio: N/A
  • GF Value™: NT$131.51 vs. price of NT$83.90 (36.2% below fair value)
  • GF Score™: 54/100 with 7 warning signs

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 Business Description

Address No. 77, Shangzhu Lane, Zhongzhou 3rd Road, Shangzhuli, Cijin District, Kaohsiung, TWN, 805301
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

Get the complete analysis for ROCO:2644

PEG Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$83.90
Price
NT$131.51
GF Value