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Sun Brothers Development CoROCO:3489 -2.93%52 PB Ratio is 1.49 as of Jul. 15, 2026, which is 110% above its 10-year median of 0.71. GuruFocus rates ROCO:3489 with a GF Score™ of 52/100 and a GF Value™ of NT$9.16 (Significantly Overvalued). The stock has 9 warning signs investors should review. Among 1,715 Real Estate companies, Sun Brothers Development Co ranks worse than 76.27% on this metric.
Sun Brothers Development Co Ltd stock PB Ratio (=1.82) is close to 1-year high of 1.86.
The historical rank and industry rank for Sun Brothers Development Co's PB Ratio or its related term are showing as below:
ROCO:3489'
s PB Ratio Range Over the Past 10 Years
Min: 0.51 Med: 0.71 Max: 2.58
Current: 1.49
During the past 13 years, Sun Brothers Development Co's highest PB Ratio was 2.58. The lowest was 0.51. And the median was 0.71.
ROCO:3489's PB Ratio is ranked worse than 76.27% of 1715
companies
in the Real Estate industry
Industry Median: 0.81
vs ROCO:3489: 1.49
During the past 12 months, Sun Brothers Development Co's average Book Value Per Share Growth Rate was -4.30% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -5.20% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -3.30% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was -0.20% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Sun Brothers Development Co was 8.70% per year. The lowest was -12.40% per year. And the median was 1.10% per year.
Back to Basics: PB Ratio
Sun Brothers Development Co (ROCO:3489) 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.
Sun Brothers Development Co PB Ratio Related Terms
Sun Brothers Development Co PB 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.
Sun Brothers Development Co PB Ratio Competitor Comparison
For the Real Estate - Development subindustry, Sun Brothers Development Co'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.
Sun Brothers Development Co PB Ratio vs Real Estate Industry
For the Real Estate industry and Real Estate sector, Sun Brothers Development Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where Sun Brothers Development Co'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.
Sun Brothers Development Co (ROCO:3489) has a PB Ratio of 1.49 as of Jul. 15, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Sun Brothers Development Co and its competitors. This is 110% above median its historical median of 0.71. Over the past decade, Sun Brothers Development Co's PB Ratio has ranged from 0.51 to 2.58. According to the industry distribution chart, Sun Brothers Development Co ranks #1308 out of 1715 companies in the Real Estate industry, placing it in the top 76.3%.
Is Sun Brothers Development Co's PB Ratio too high?
Sun Brothers Development Co's current PB Ratio of 1.49 is 110% above median its 10-year median of 0.71. Over the past 10 years, this metric has ranged from a low of 0.51 to a high of 2.58. The Real Estate industry median PB Ratio is 0.81. Sun Brothers Development Co's value of 1.49 is 84% above this industry median. Based on the distribution chart, Sun Brothers Development Co ranks #1308 out of 1715 companies in the Real Estate industry, which is in the bottom quartile relative to peers. Overall, Sun Brothers Development Co has a GF Score™ of 52/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Sun Brothers Development Co's PB Ratio compare to competitors?
According to the Real Estate industry distribution chart, Sun Brothers Development Co ranks #1308 out of 1715 companies for PB Ratio. This places Sun Brothers Development Co in the lower half of its industry. The industry median PB Ratio is 0.81. Sun Brothers Development Co's value of 1.49 is 84% above this benchmark. Historically, Sun Brothers Development Co's own PB Ratio has ranged from 0.51 to 2.58 over the past decade. While the company's 10-year median is 0.71 vs. the industry median of 0.81, Sun Brothers Development Co 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 Real Estate company?
The median PB Ratio among Real Estate companies is 0.81, based on 1,715 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. Sun Brothers Development Co's current PB Ratio of 1.49 is 84% 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 Sun Brothers Development Co and its competitors. For the Real Estate industry, the median PB Ratio is 0.81 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Sun Brothers Development Co's current PB Ratio is 1.49, which is 110% above median its own 10-year median of 0.71. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sun Brothers Development Co stock overvalued right now?
Based on GuruFocus' analysis, Sun Brothers Development Co (ROCO:3489) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$9.16, compared to a current price of NT$19.85 — trading 116.7% above its estimated fair value. The current PB Ratio is 1.49, which is 110% above median its 10-year median of 0.71 and 84% above the Real Estate industry median of 0.81. Sun Brothers Development Co's overall GF Score™ is 52/100 with 9 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 Sun Brothers Development Co (ROCO:3489), the current PB Ratio is 1.49 as of Jul. 15, 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 Sun Brothers Development Co (ROCO:3489) Overvalued in 2026?
Based on GuruFocus' analysis, Sun Brothers Development Co stock appears to be overvalued.
The current stock price of NT$19.85 is trading 116.7% above its estimated GF Value™ of NT$9.16.
GuruFocus considers Sun Brothers Development Co to be Significantly Overvalued.
Key valuation signals for ROCO:3489:
PB Ratio: 1.49 (110% above median its 10-year median of 0.71)
GF Value™: NT$9.16 vs. price of NT$19.85 (116.7% above fair value)
Industry Position: 84% above the Real Estate median (#1308 of 1715)
No single metric tells the full story. See the ROCO:3489 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Sun Brothers Development Co Ltd is engaged in wholesale of building materials, developing, constructing, leasing and selling for residential, commercial or industrial buildings and others. It is also involved in the development and construction of collective housing and public works contract construction. The company's segments are: Real property section, and Construction section. It derives revenue from Construction segment.
52GF Score
Get the complete analysis for ROCO:3489
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