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Sun Brothers Development CoROCO:3489 -2.93%52 Gross Margin % is 10.14% as of Dec. 2025, which is 17% above its 10-year median of 8.68. 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 1,645 Real Estate companies, Sun Brothers Development Co ranks worse than 91.98% on this metric.
Sun Brothers Development Co (ROCO:3489) Gross Margin % Explanation
Warren Buffett believes that firms with excellent long term economics tend to have consistently higher margins.
Durable competitive advantage creates a high Gross Margin % because of the freedom to price in excess of cost. Companies can be categorized by their Gross Margin %
1. Greater than 40% = Durable competitive advantage
2. Less than 40% = Competition eroding margins
3. Less than 20% = no sustainable competitive advantage
Consistency of Gross Margin is key
Sun Brothers Development Co had a gross margin of 10.14% for the quarter that ended in Dec. 2025 => No sustainable competitive advantage
Be Aware
If a company loses its competitive advantages, usually its gross margin declines well before its sales declines. Watching Gross Margin % and Operating Margin % closely helps avoid value trap situations.
Sun Brothers Development Co Gross Margin % Related Terms
Sun Brothers Development Co Gross Margin % 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 Gross Margin % Competitor Comparison
For the Real Estate - Development subindustry, Sun Brothers Development Co's Gross Margin %, along with its competitors' market caps and Gross Margin % 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 Gross Margin % vs Real Estate Industry
For the Real Estate industry and Real Estate sector, Sun Brothers Development Co's Gross Margin % distribution charts can be found below:
* The bar in red indicates where Sun Brothers Development Co's Gross Margin % falls into.
* 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.
A positive Gross Profit is only the first step for a company to make a net profit. The gross profit needs to be big enough to also cover related labor, equipment, rental, marketing/advertising, research and development and a lot of other costs in selling the products.
Sun Brothers Development Co (ROCO:3489) has a Gross Margin % of 10.14% as of Dec. 2025. Gross margin is the ratio of total gross profit to net sales. View historical data on Sun Brothers Development Co and its competitors. This is 17% above median its historical median of 8.68. Over the past decade, Sun Brothers Development Co's Gross Margin % has ranged from 3.45 to 18.39. According to the industry distribution chart, Sun Brothers Development Co ranks #1513 out of 1645 companies in the Real Estate industry, placing it in the top 92%.
Is Sun Brothers Development Co's Gross Margin % too high?
Sun Brothers Development Co's current Gross Margin % of 10.14% is 17% above median its 10-year median of 8.68. Over the past 10 years, this metric has ranged from a low of 3.45 to a high of 18.39. The Real Estate industry median Gross Margin % is 36.98. Sun Brothers Development Co's value of 10.14% is 72.6% below this industry median. Based on the distribution chart, Sun Brothers Development Co ranks #1513 out of 1645 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 Gross Margin % compare to competitors?
According to the Real Estate industry distribution chart, Sun Brothers Development Co ranks #1513 out of 1645 companies for Gross Margin %. This places Sun Brothers Development Co in the lower half of its industry. The industry median Gross Margin % is 36.98. Sun Brothers Development Co's value of 10.14% is 72.6% below this benchmark. Historically, Sun Brothers Development Co's own Gross Margin % has ranged from 3.45 to 18.39 over the past decade. While the company's 10-year median is 8.68 vs. the industry median of 36.98, Sun Brothers Development Co 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 Gross Margin % for a Real Estate company?
The median Gross Margin % among Real Estate companies is 36.98, based on 1,645 companies in the industry. Companies in the top quartile (top 25%) have a Gross Margin % significantly above this median, while those in the bottom quartile fall well below. However, Gross Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Sun Brothers Development Co's current Gross Margin % of 10.14% is 72.6% 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 Gross Margin % mean?
A high Gross Margin % can signal that a stock is expensive relative to its fundamentals. Gross margin is the ratio of total gross profit to net sales. View historical data on Sun Brothers Development Co and its competitors. For the Real Estate industry, the median Gross Margin % is 36.98 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Sun Brothers Development Co's current Gross Margin % is 10.14%, which is 17% above median its own 10-year median of 8.68. 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 Gross Margin % is 10.14%, which is 17% above median its 10-year median of 8.68 and 72.6% below the Real Estate industry median of 36.98. 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 Gross Margin % calculated?
Gross Margin % is calculated from a company's financial statements. For Sun Brothers Development Co (ROCO:3489), the current Gross Margin % is 10.14% as of Dec. 2025. 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:
Gross Margin %: 10.14% (17% above median its 10-year median of 8.68)
GF Value™: NT$9.16 vs. price of NT$19.85 (116.7% above fair value)
Industry Position: 72.6% below the Real Estate median (#1513 of 1645)
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
Gross Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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