Chang Jia M&E EngineeringROCO:4550 58 PEG Ratio is 4.94 as of Jul. 13, 2026, which is 431% above its 10-year median of 0.93. GuruFocus rates ROCO:4550 with a GF Score™ of 58/100 and a GF Value™ of NT$17.67 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 683 Construction companies, Chang Jia M&E Engineering ranks worse than 85.65% on this metric.
* 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 Chang Jia M&E Engineering's PEG Ratio or its related term are showing as below:
ROCO:4550'
s PEG Ratio Range Over the Past 10 Years
Min: 0.47 Med: 0.93 Max: 252.4
Current: 4.94
During the past 13 years, Chang Jia M&E Engineering's highest PEG Ratio was 252.40. The lowest was 0.47. And the median was 0.93.
ROCO:4550's PEG Ratio is ranked worse than 85.65% of 683
companies
in the Construction industry
Industry Median: 1.08
vs ROCO:4550: 4.94
Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.
Chang Jia M&E Engineering (ROCO:4550) 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.
Chang Jia M&E Engineering PEG Ratio Related Terms
Chang Jia M&E Engineering PEG 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 Engineering & Construction subindustry, Chang Jia M&E Engineering'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.
Chang Jia M&E Engineering PEG Ratio vs Construction Industry
For the Construction industry and Industrials sector, Chang Jia M&E Engineering's PEG Ratio distribution charts can be found below:
* The bar in red indicates where Chang Jia M&E Engineering's PEG Ratio 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.
* 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.
Chang Jia M&E Engineering (ROCO:4550) has a PEG Ratio of 4.94 as of Jul. 13, 2026. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on Chang Jia M&E Engineering and its competitors. This is 431% above median its historical median of 0.93. Over the past decade, Chang Jia M&E Engineering's PEG Ratio has ranged from 0.47 to 252.40. According to the industry distribution chart, Chang Jia M&E Engineering ranks #585 out of 683 companies in the Construction industry, placing it in the top 85.7%.
Is Chang Jia M&E Engineering's PEG Ratio too high?
Chang Jia M&E Engineering's current PEG Ratio of 4.94 is 431% above median its 10-year median of 0.93. Over the past 10 years, this metric has ranged from a low of 0.47 to a high of 252.40. The Construction industry median PEG Ratio is 1.08. Chang Jia M&E Engineering's value of 4.94 is 357.4% above this industry median. Based on the distribution chart, Chang Jia M&E Engineering ranks #585 out of 683 companies in the Construction industry, which is in the bottom quartile relative to peers. Overall, Chang Jia M&E Engineering has a GF Score™ of 58/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Chang Jia M&E Engineering's PEG Ratio compare to PWR and FIX?
According to the Construction industry distribution chart, Chang Jia M&E Engineering ranks #585 out of 683 companies for PEG Ratio. This places Chang Jia M&E Engineering in the lower half of its industry. The industry median PEG Ratio is 1.08. Chang Jia M&E Engineering's value of 4.94 is 357.4% above this benchmark. Historically, Chang Jia M&E Engineering's own PEG Ratio has ranged from 0.47 to 252.40 over the past decade. While the company's 10-year median is 0.93 vs. the industry median of 1.08, Chang Jia M&E Engineering 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 PEG Ratio for a Construction company?
The median PEG Ratio among Construction companies is 1.08, based on 683 companies in the industry. Companies in the top quartile (top 25%) have a PEG Ratio significantly above this median, while those in the bottom quartile fall well below. However, PEG Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Chang Jia M&E Engineering's current PEG Ratio of 4.94 is 357.4% 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 PEG Ratio mean?
A high PEG Ratio can signal that a stock is expensive relative to its fundamentals. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on Chang Jia M&E Engineering and its competitors. For the Construction industry, the median PEG Ratio is 1.08 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Chang Jia M&E Engineering's current PEG Ratio is 4.94, which is 431% above median its own 10-year median of 0.93. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Chang Jia M&E Engineering stock overvalued right now?
Based on GuruFocus' analysis, Chang Jia M&E Engineering (ROCO:4550) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$17.67, compared to a current price of NT$25.60 — trading 44.9% above its estimated fair value. The current PEG Ratio is 4.94, which is 431% above median its 10-year median of 0.93 and 357.4% above the Construction industry median of 1.08. Chang Jia M&E Engineering's overall GF Score™ is 58/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PEG Ratio calculated?
PEG Ratio is calculated from a company's financial statements. For Chang Jia M&E Engineering (ROCO:4550), the current PEG Ratio is 4.94 as of Jul. 13, 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 Chang Jia M&E Engineering (ROCO:4550) Overvalued in 2026?
Based on GuruFocus' analysis, Chang Jia M&E Engineering stock appears to be overvalued.
The current stock price of NT$25.60 is trading 44.9% above its estimated GF Value™ of NT$17.67.
GuruFocus considers Chang Jia M&E Engineering to be Significantly Overvalued.
Key valuation signals for ROCO:4550:
PEG Ratio: 4.94 (431% above median its 10-year median of 0.93)
GF Value™: NT$17.67 vs. price of NT$25.60 (44.9% above fair value)
Industry Position: 357.4% above the Construction median (#585 of 683)
No single metric tells the full story. See the ROCO:4550 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Chang Jia M&E Engineering Corp is a Taiwan-based company engaged in the planning, design and engineering contracting of electrical, drainage and air conditioning equipment for various commercial buildings and factories, as well as the operation of sports centers and the import and export of the above-mentioned equipment.
58GF Score
Get the complete analysis for ROCO:4550
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