Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
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.
EnrestecROCO:7507 59 PB Ratio is 2.58 as of Jul. 24, 2026, which is 40% below its 10-year median of 4.31. GuruFocus rates ROCO:7507 with a GF Score™ of 59/100 and a GF Value™ of NT$53.22 (Possible Value Trap). The stock has 6 warning signs investors should review. Among 225 Waste Management companies, Enrestec ranks worse than 73.78% 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 (2026-07-24), Enrestec's share price is NT$20.10. Enrestec's Book Value per Share for the quarter that ended in Dec. 2025 was NT$7.79. Hence, Enrestec's PB Ratio of today is 2.58.
Good Sign:
Enrestec Inc stock PB Ratio (=2.57) is close to 3-year low of 2.54.
The historical rank and industry rank for Enrestec's PB Ratio or its related term are showing as below:
ROCO:7507'
s PB Ratio Range Over the Past 10 Years
Min: 1.53 Med: 4.31 Max: 7.73
Current: 2.58
During the past 11 years, Enrestec's highest PB Ratio was 7.73. The lowest was 1.53. And the median was 4.31.
ROCO:7507's PB Ratio is ranked worse than 73.78% of 225
companies
in the Waste Management industry
Industry Median: 1.54
vs ROCO:7507: 2.58
During the past 12 months, Enrestec's average Book Value Per Share Growth Rate was -7.00% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 1.40% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 1.50% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 7.80% per year.
During the past 11 years, the highest 3-Year average Book Value Per Share Growth Rate of Enrestec was 22.50% per year. The lowest was -1.80% per year. And the median was 6.05% per year.
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.
Enrestec PB Ratio Related Terms
Enrestec PB Ratio Historical Data
* Premium members only.
The historical data trend for Enrestec'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, Enrestec'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.
Enrestec PB Ratio vs Waste Management Industry
For the Waste Management industry and Industrials sector, Enrestec's PB Ratio distribution charts can be found below:
* The bar in red indicates where Enrestec'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.
Enrestec's PB Ratio for today is calculated as follows:
* 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.
Enrestec (ROCO:7507) has a PB Ratio of 2.58 as of Jul. 24, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Enrestec and its competitors. This is 40% below median its historical median of 4.31. Over the past decade, Enrestec's PB Ratio has ranged from 1.53 to 7.73. According to the industry distribution chart, Enrestec ranks #166 out of 225 companies in the Waste Management industry, placing it in the top 73.8%.
Is Enrestec's PB Ratio too high?
Enrestec's current PB Ratio of 2.58 is 40% below median its 10-year median of 4.31. Over the past 10 years, this metric has ranged from a low of 1.53 to a high of 7.73. The Waste Management industry median PB Ratio is 1.54. Enrestec's value of 2.58 is 67.5% above this industry median. Based on the distribution chart, Enrestec ranks #166 out of 225 companies in the Waste Management industry, which is below the industry midpoint. Overall, Enrestec has a GF Score™ of 59/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Enrestec's PB Ratio compare to WM and RSG?
According to the Waste Management industry distribution chart, Enrestec ranks #166 out of 225 companies for PB Ratio. This places Enrestec in the lower half of its industry. The industry median PB Ratio is 1.54. Enrestec's value of 2.58 is 67.5% above this benchmark. Historically, Enrestec's own PB Ratio has ranged from 1.53 to 7.73 over the past decade. While the company's 10-year median is 4.31 vs. the industry median of 1.54, Enrestec 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 PB Ratio for a Waste Management company?
The median PB Ratio among Waste Management companies is 1.54, based on 225 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. Enrestec's current PB Ratio of 2.58 is 67.5% 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 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 Enrestec and its competitors. For the Waste Management industry, the median PB Ratio is 1.54 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Enrestec's current PB Ratio is 2.58, which is 40% below median its own 10-year median of 4.31. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Enrestec stock overvalued right now?
Based on GuruFocus' analysis, Enrestec (ROCO:7507) is currently considered Possible Value Trap. The stock's GF Value™ is NT$53.22, compared to a current price of NT$20.10 — trading 62.2% below its estimated fair value. The current PB Ratio is 2.58, which is 40% below median its 10-year median of 4.31 and 67.5% above the Waste Management industry median of 1.54. Enrestec's overall GF Score™ is 59/100 with 6 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 Enrestec (ROCO:7507), the current PB Ratio is 2.58 as of Jul. 24, 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 Enrestec (ROCO:7507) Overvalued in 2026?
Based on GuruFocus' analysis, Enrestec stock appears to be undervalued.
The current stock price of NT$20.10 is trading 62.2% below its estimated GF Value™ of NT$53.22.
GuruFocus considers Enrestec to be Possible Value Trap.
Key valuation signals for ROCO:7507:
PB Ratio: 2.58 (40% below median its 10-year median of 4.31)
GF Value™: NT$53.22 vs. price of NT$20.10 (62.2% below fair value)
Industry Position: 67.5% above the Waste Management median (#166 of 225)
No single metric tells the full story. See the ROCO:7507 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Enrestec Inc is engaged in providing waste treatment services. The company provides pyrolysis and recycling of used plastic, rubber, and organic wastes. Other services provided by the company include designing organic waste pyrolysis and heat treatment systems.
59GF Score
Get the complete analysis for ROCO:7507
PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
ROCO:7507 has been successfully added to your 
