Chang Jia M&E EngineeringROCO:4550 58 Median PS Value is NT$15.44 as of Jul. 01, 2026, which is 100% below its 10-year median of 1.38. GuruFocus rates ROCO:4550 with a GF Score™ of 58/100 and a GF Value™ of NT$17.74 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 1,014 Construction companies, Chang Jia M&E Engineering ranks worse than 71.2% on this metric.
This valuation method assumes that the stock valuation will revert to its historical (10-Year) median in terms of PS Ratio. The reason we use PS Ratio instead of PE Ratio or PB Ratio is because PS Ratio is independent of profit margin, and can be applied to a broader range of situations.
The historical rank and industry rank for Chang Jia M&E Engineering's Median PS Value or its related term are showing as below:
ROCO:4550'
s Price-to-Median-PS-Value Range Over the Past 10 Years
Min: 1.11 Med: 1.38 Max: 1.62
Current: 1.59
During the past 13 years, the highest Price to Median PS Value of Chang Jia M&E Engineering was 1.62. The lowest was 1.11. And the median was 1.38.
ROCO:4550's Price-to-Median-PS-Value is ranked worse than 71.2% of 1014
companies
in the Construction industry
Industry Median: 1.08
vs ROCO:4550: 1.59
Chang Jia M&E Engineering (ROCO:4550) Median PS Value Explanation
This valuation method assumes that the stock valuation will revert to its historical (10-Year) mean in terms of PS Ratio. The reason we use PS Ratio instead of PE Ratio or PB Ratio
is because PS Ratio is independent of profit margin, and can be applied to a broader range of situations.
It also assumes that over time the profit margin is constant. If a company increases its profit margin to a sustainable level, this value might under-estimate its value. If it has permanent declined profit margins, this may over-estimate the company's value.
Chang Jia M&E Engineering's Price to Median PS Value for today is calculated as
Price to Median PS Value
=
Share Price
/
Median PS Value
=
24.50
/
15.44
=
1.59
* 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.
Chang Jia M&E Engineering Median PS Value Related Terms
Chang Jia M&E Engineering Median PS Value 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:4550 vs PWR, FIX, EME: Median PS Value Comparison
For the Engineering & Construction subindustry, Chang Jia M&E Engineering's Price-to-Median-PS-Value, along with its competitors' market caps and Price-to-Median-PS-Value 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 Price-to-Median-PS-Value vs Construction Industry
For the Construction industry and Industrials sector, Chang Jia M&E Engineering's Price-to-Median-PS-Value distribution charts can be found below:
* The bar in red indicates where Chang Jia M&E Engineering's Price-to-Median-PS-Value falls into.
10-Year Median PS Ratio is 0.6407.
Chang Jia M&E Engineering's Revenue per Share for the trailing twelve months (TTM) ended in Dec. 2025 adds up the quarterly data reported by the company within the most recent 12 months, which was NT$24.097.
* 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.
Chang Jia M&E Engineering (ROCO:4550) has a Median PS Value of NT$15.44 as of Jul. 01, 2026. Median price-sales value is the stock value based on a company's 10-year median price-sales ratio, View historical data on Chang Jia M&E Engineering and its competitors. This is 1019% above median its historical median of 1.38. Over the past decade, Chang Jia M&E Engineering's Median PS Value has ranged from 1.11 to 1.62. According to the industry distribution chart, Chang Jia M&E Engineering ranks #722 out of 1014 companies in the Construction industry, placing it in the top 71.2%.
Is Chang Jia M&E Engineering's Median PS Value too high?
Chang Jia M&E Engineering's current Median PS Value of NT$15.44 is 1019% above median its 10-year median of 1.38. Over the past 10 years, this metric has ranged from a low of 1.11 to a high of 1.62. Based on the distribution chart, Chang Jia M&E Engineering ranks #722 out of 1014 companies in the Construction industry, which is below the industry midpoint. 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 Median PS Value compare to PWR and FIX?
According to the Construction industry distribution chart, Chang Jia M&E Engineering ranks #722 out of 1014 companies for Median PS Value. This places Chang Jia M&E Engineering in the lower half of its industry. The industry median Median PS Value is 1.08. Historically, Chang Jia M&E Engineering's own Median PS Value has ranged from 1.11 to 1.62 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Median PS Value for a Construction company?
The median Median PS Value among Construction companies is 1.08, based on 1,014 companies in the industry. Companies in the top quartile (top 25%) have a Median PS Value significantly above this median, while those in the bottom quartile fall well below. However, Median PS Value should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Median PS Value mean?
A high Median PS Value can signal that a stock is expensive relative to its fundamentals. Median price-sales value is the stock value based on a company's 10-year median price-sales ratio, View historical data on Chang Jia M&E Engineering and its competitors. For the Construction industry, the median Median PS Value 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 Median PS Value is NT$15.44, which is 1019% above median its own 10-year median of 1.38. 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$17.74, compared to a current price of NT$24.50 — trading 38.1% above its estimated fair value. The current Median PS Value is NT$15.44, which is 1019% above median its 10-year median of 1.38. Chang Jia M&E Engineering's overall GF Score™ is 58/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Median PS Value calculated?
Median PS Value is calculated from a company's financial statements. For Chang Jia M&E Engineering (ROCO:4550), the current Median PS Value is NT$15.44 as of Jul. 01, 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$24.50 is trading 38.1% above its estimated GF Value™ of NT$17.74.
GuruFocus considers Chang Jia M&E Engineering to be Significantly Overvalued.
Key valuation signals for ROCO:4550:
Median PS Value: NT$15.44 (1019% above median its 10-year median of 1.38)
GF Value™: NT$17.74 vs. price of NT$24.50 (38.1% above fair value)
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
Median PS Value is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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