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Chyunn EnvironmentROCO:6911 -1.31%60 PB Ratio is 1.52 as of Jul. 16, 2026, which is 25% below its 10-year median of 2.03. GuruFocus rates ROCO:6911 with a GF Score™ of 60/100 and a GF Value™ of NT$44.75 (Possible Value Trap). The stock has 5 warning signs investors should review. Among 226 Waste Management companies, Chyunn Environment ranks better than 52.21% on this metric.
Chyunn Environment Corp stock PB Ratio (=1.59) is close to 5-year low of 1.58.
The historical rank and industry rank for Chyunn Environment's PB Ratio or its related term are showing as below:
ROCO:6911'
s PB Ratio Range Over the Past 10 Years
Min: 1.51 Med: 2.03 Max: 2.69
Current: 1.51
During the past 8 years, Chyunn Environment's highest PB Ratio was 2.69. The lowest was 1.51. And the median was 2.03.
ROCO:6911's PB Ratio is ranked better than 52.21% of 226
companies
in the Waste Management industry
Industry Median: 1.62
vs ROCO:6911: 1.51
During the past 12 months, Chyunn Environment's average Book Value Per Share Growth Rate was 2.00% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 0.30% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 13.10% per year.
During the past 8 years, the highest 3-Year average Book Value Per Share Growth Rate of Chyunn Environment was 34.80% per year. The lowest was 0.30% per year. And the median was 15.85% per year.
Back to Basics: PB Ratio
Chyunn Environment (ROCO:6911) PB Ratio Explanation
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.
Chyunn Environment PB Ratio Related Terms
Chyunn Environment PB Ratio Historical Data
* Premium members only.
The historical data trend for Chyunn Environment'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.
For the Waste Management subindustry, Chyunn Environment'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.
Chyunn Environment PB Ratio vs Waste Management Industry
For the Waste Management industry and Industrials sector, Chyunn Environment's PB Ratio distribution charts can be found below:
* The bar in red indicates where Chyunn Environment's PB Ratio falls into.
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.
* 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.
Chyunn Environment (ROCO:6911) has a PB Ratio of 1.52 as of Jul. 16, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Chyunn Environment and its competitors. This is 25% below median its historical median of 2.03. Over the past decade, Chyunn Environment's PB Ratio has ranged from 1.51 to 2.69. According to the industry distribution chart, Chyunn Environment ranks #108 out of 226 companies in the Waste Management industry, placing it in the top 47.8%.
Is Chyunn Environment's PB Ratio too high?
Chyunn Environment's current PB Ratio of 1.52 is 25% below median its 10-year median of 2.03. Over the past 10 years, this metric has ranged from a low of 1.51 to a high of 2.69. The Waste Management industry median PB Ratio is 1.62. Chyunn Environment's value of 1.52 is 6.2% below this industry median. Based on the distribution chart, Chyunn Environment ranks #108 out of 226 companies in the Waste Management industry, which is above the industry midpoint. Overall, Chyunn Environment has a GF Score™ of 60/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Chyunn Environment's PB Ratio compare to WM and RSG?
According to the Waste Management industry distribution chart, Chyunn Environment ranks #108 out of 226 companies for PB Ratio. This puts Chyunn Environment in the upper half of its industry. The industry median PB Ratio is 1.62. Chyunn Environment's value of 1.52 is 6.2% below this benchmark. Historically, Chyunn Environment's own PB Ratio has ranged from 1.51 to 2.69 over the past decade. While the company's 10-year median is 2.03 vs. the industry median of 1.62, Chyunn Environment 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 Waste Management company?
The median PB Ratio among Waste Management companies is 1.62, based on 226 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. Chyunn Environment's current PB Ratio of 1.52 is 6.2% 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 Chyunn Environment and its competitors. For the Waste Management industry, the median PB Ratio is 1.62 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Chyunn Environment's current PB Ratio is 1.52, which is 25% below median its own 10-year median of 2.03. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Chyunn Environment stock overvalued right now?
Based on GuruFocus' analysis, Chyunn Environment (ROCO:6911) is currently considered Possible Value Trap. The stock's GF Value™ is NT$44.75, compared to a current price of NT$30.10 — trading 32.7% below its estimated fair value. The current PB Ratio is 1.52, which is 25% below median its 10-year median of 2.03 and 6.2% below the Waste Management industry median of 1.62. Chyunn Environment's overall GF Score™ is 60/100 with 5 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 Chyunn Environment (ROCO:6911), the current PB Ratio is 1.52 as of Jul. 16, 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 Chyunn Environment (ROCO:6911) Overvalued in 2026?
Based on GuruFocus' analysis, Chyunn Environment stock appears to be undervalued.
The current stock price of NT$30.10 is trading 32.7% below its estimated GF Value™ of NT$44.75.
GuruFocus considers Chyunn Environment to be Possible Value Trap.
Key valuation signals for ROCO:6911:
PB Ratio: 1.52 (25% below median its 10-year median of 2.03)
GF Value™: NT$44.75 vs. price of NT$30.10 (32.7% below fair value)
Industry Position: 6.2% below the Waste Management median (#108 of 226)
No single metric tells the full story. See the ROCO:6911 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Chyunn Environment Corp operates as a waste removal company. The firm engages in Garbage removal, resource recovery, general business waste removal, hazardous business waste removal, construction waste removal, earth and stone resource storage and disposal yards, machine scrapping, water truck business, and environmental protection business consultants.
60GF Score
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