Chang Jia M&E Engineering (ROCO:4550) PB Ratio: 0.98 (As of Jul. 26, 2026) — Near Median

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Director of Data and Quant Analytics at GuruFocus
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Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

ROCO:4550 Chang Jia M&E Engineering Corp ROCO:4550
58 GF Score
Price NT$24.60
GF Value NT$17.58
Valuation Significantly Overvalued
! 4 Warning Signs
View Full Analysis

What is Chang Jia M&E Engineering PB Ratio?

Chang Jia M&E Engineering ROCO:4550 58 PB Ratio is 0.98 as of Jul. 26, 2026, which is 8% below its 10-year median of 1.07. GuruFocus rates ROCO:4550 with a GF Score™ of 58/100 and a GF Value™ of NT$17.58 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 1,722 Construction companies, Chang Jia M&E Engineering ranks better than 62.14% on this metric.

The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. As of today (2026-07-26), Chang Jia M&E Engineering's share price is NT$24.60. Chang Jia M&E Engineering's Book Value per Share for the quarter that ended in Dec. 2025 was NT$25.10. Hence, Chang Jia M&E Engineering's PB Ratio of today is 0.98.

Good Sign:

Chang Jia M&E Engineering Corp stock PB Ratio (=0.98) is close to 5-year low of 0.92.

The historical rank and industry rank for Chang Jia M&E Engineering's PB Ratio or its related term are showing as below:

ROCO:4550' s PB Ratio Range Over the Past 10 Years
Min: 0.79   Med: 1.07   Max: 1.61
Current: 0.98

During the past 13 years, Chang Jia M&E Engineering's highest PB Ratio was 1.61. The lowest was 0.79. And the median was 1.07.

ROCO:4550's PB Ratio is ranked better than
62.14% of 1722 companies
in the Construction industry
Industry Median: 1.32 vs ROCO:4550: 0.98

During the past 12 months, Chang Jia M&E Engineering's average Book Value Per Share Growth Rate was -2.90% per year. During the past 3 years, the average Book Value Per Share Growth Rate was 2.40% per year. During the past 5 years, the average Book Value Per Share Growth Rate was 3.60% per year. During the past 10 years, the average Book Value Per Share Growth Rate was 3.00% per year.

During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Chang Jia M&E Engineering was 6.00% per year. The lowest was 1.10% per year. And the median was 3.10% per year.

Back to Basics: PB Ratio


Chang Jia M&E Engineering  (ROCO:4550) PB Ratio Explanation

Unlike valuation ratios relative to the earning power such as PE Ratio, PE Ratio without NRI, PS Ratio, Price-to-Operating-Cash-Flow , or Price-to-Free-Cash-Flow, the PB Ratio measures the valuation of the stock relative to the underlying asset of the company.

The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.


Be Aware

Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.


Chang Jia M&E Engineering PB Ratio Related Terms


Chang Jia M&E Engineering PB Ratio Historical Data

* Premium members only.

The historical data trend for Chang Jia M&E Engineering's PB 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.

Chang Jia M&E Engineering PB Ratio Chart

Chang Jia M&E Engineering Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 1.06 0.99 1.39 1.08 0.99

Chang Jia M&E Engineering Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
PB Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 1.08 1.13 1.04 1.02 0.99

ROCO:4550 vs PWR, FIX, EME: PB Ratio Comparison

For the Engineering & Construction subindustry, Chang Jia M&E Engineering's PB Ratio, along with its competitors' market caps and PB 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 PB Ratio vs Construction Industry

For the Construction industry and Industrials sector, Chang Jia M&E Engineering's PB Ratio distribution charts can be found below:

* The bar in red indicates where Chang Jia M&E Engineering's PB Ratio falls into.


ROCO:4550
58GF Score
Chang Jia M&E Engineering Corp ROCO:4550
PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Chang Jia M&E Engineering PB Ratio Calculation

The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.

Chang Jia M&E Engineering's PB Ratio for today is calculated as follows:

PB Ratio=Share Price/Book Value per Share (Q: Dec. 2025)
=24.60/25.099
=0.98

* 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.

It can also be calculated from the numbers for the whole company:

A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.

Frequently Asked Questions Learn more about PB Ratio →
What does a PB Ratio of 0.98 mean?
Chang Jia M&E Engineering (ROCO:4550) has a PB Ratio of 0.98 as of Jul. 26, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Chang Jia M&E Engineering and its competitors. This is near median its historical median of 1.07. Over the past decade, Chang Jia M&E Engineering's PB Ratio has ranged from 0.79 to 1.61. According to the industry distribution chart, Chang Jia M&E Engineering ranks #652 out of 1722 companies in the Construction industry, placing it in the top 37.9%.
Is Chang Jia M&E Engineering's PB Ratio too high?
Chang Jia M&E Engineering's current PB Ratio of 0.98 is near median its 10-year median of 1.07. Over the past 10 years, this metric has ranged from a low of 0.79 to a high of 1.61. The Construction industry median PB Ratio is 1.32. Chang Jia M&E Engineering's value of 0.98 is 25.8% below this industry median. Based on the distribution chart, Chang Jia M&E Engineering ranks #652 out of 1722 companies in the Construction industry, which is above 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 PB Ratio compare to PWR and FIX?
According to the Construction industry distribution chart, Chang Jia M&E Engineering ranks #652 out of 1722 companies for PB Ratio. This puts Chang Jia M&E Engineering in the upper half of its industry. The industry median PB Ratio is 1.32. Chang Jia M&E Engineering's value of 0.98 is 25.8% below this benchmark. Historically, Chang Jia M&E Engineering's own PB Ratio has ranged from 0.79 to 1.61 over the past decade. While the company's 10-year median is 1.07 vs. the industry median of 1.32, Chang Jia M&E Engineering 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 PB Ratio for a Construction company?
The median PB Ratio among Construction companies is 1.32, based on 1,722 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB 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 PB Ratio of 0.98 is 25.8% 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 PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Chang Jia M&E Engineering and its competitors. For the Construction industry, the median PB Ratio is 1.32 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Chang Jia M&E Engineering's current PB Ratio is 0.98, which is near median its own 10-year median of 1.07. 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$17.58, compared to a current price of NT$24.60 — trading 39.9% above its estimated fair value. The current PB Ratio is 0.98, which is near median its 10-year median of 1.07 and 25.8% below the Construction industry median of 1.32. 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 PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Chang Jia M&E Engineering (ROCO:4550), the current PB Ratio is 0.98 as of Jul. 26, 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$24.60 is trading 39.9% above its estimated GF Value™ of NT$17.58. GuruFocus considers Chang Jia M&E Engineering to be Significantly Overvalued.

Key valuation signals for ROCO:4550:

  • PB Ratio: 0.98 (near median its 10-year median of 1.07)
  • GF Value™: NT$17.58 vs. price of NT$24.60 (39.9% above fair value)
  • GF Score™: 58/100 with 4 warning signs
  • Industry Position: 25.8% below the Construction median (#652 of 1722)

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 Business Description

Address Number 1, Lane 10, Jihu Road, 8th Floor, Neihu District, Taipei, TWN, 114
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

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

NT$24.60
Price
NT$17.58
GF Value