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Sincere Security has the GF Score of 90, which implies that the company
might have
Good outperformance potential.
The GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation, which has been found to be closely correlated to the long-term performances of stocks by backtesting from 2006 to 2021. The stocks with a higher GF Score generally generate higher returns than those with lower GF Scores. Therefore, when picking stocks, investors should invest in companies with high GF Scores. The GF Score ranges from 0 to 100, with 100 as the highest rank.
GF Score takes following five key aspects into consideration:
Each one of these components is ranked and the ranks also have positive correlation with the long term performances of stocks. The GF score is calculated using the five key aspects of analysis. Through backtesting, we know that each of these key aspects has a different impact on the stock price performance. Thus, they are weighted differently when calculating the total score. The Profitability Rank and the Growth Rank are weighted fully, while other parameters have less weight.
Based on research and backtesting result, GuruFocus believes Sincere Security
might have
Good outperformance potential.
Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.
Based on the historical long-term performances among five valuation aspects, the GF Score is found to be closely correlated to the long-term performances of stocks. It ranges from 0 to 100, with 100 as the highest. GuruFocus divided GF Score into following 5 categories:
GF Score
Performance Potential and All-in-One Screener Examples (1)
(1) These are some simple examples. You can access our GF Score filter under All-in-One Screener’s Fundamental tab.
Sincere Security GF Score Related Terms
ROCO:6721 vs CTAS, CPRT, GPN: GF Score Comparison
For the Specialty Business Services subindustry, Sincere Security's GF Score, along with its competitors' market caps and GF Score 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.
Sincere Security GF Score vs Business Services Industry
For the Business Services industry and Industrials sector, Sincere Security's GF Score distribution charts can be found below:
* The bar in red indicates where Sincere Security's GF Score falls into.
Sincere Security (ROCO:6721) has a GF Score of 90 as of Aug. 08, 2026. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on Sincere Security and its competitors. This is 181% above median its historical median of 32.00. Over the past decade, Sincere Security's GF Score has ranged from 14.00 to 92.00.
Is Sincere Security's GF Score too high?
Sincere Security's current GF Score of 90 is 181% above median its 10-year median of 32.00. Over the past 10 years, this metric has ranged from a low of 14.00 to a high of 92.00. Overall, Sincere Security has a GF Score™ of 90/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Sincere Security's GF Score compare to CTAS and CPRT?
Sincere Security's GF Score of 90 can be compared against companies in the Business Services industry. Historically, Sincere Security's own GF Score has ranged from 14.00 to 92.00 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good GF Score for a Business Services company?
A good GF Score depends on the Business Services industry context. However, GF Score should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high GF Score mean?
A high GF Score can signal that a stock is expensive relative to its fundamentals. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on Sincere Security and its competitors. Sincere Security's current GF Score is 90, which is 181% above median its own 10-year median of 32.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sincere Security stock overvalued right now?
Based on GuruFocus' analysis, Sincere Security (ROCO:6721) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$67.55, compared to a current price of NT$52.00 — trading 23% below its estimated fair value. The current GF Score is 90, which is 181% above median its 10-year median of 32.00. Sincere Security's overall GF Score™ is 90/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is GF Score calculated?
GF Score is calculated from a company's financial statements. For Sincere Security (ROCO:6721), the current GF Score is 90 as of Aug. 08, 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 Sincere Security (ROCO:6721) Overvalued in 2026?
Based on GuruFocus' analysis, Sincere Security stock appears to be undervalued.
The current stock price of NT$52.00 is trading 23% below its estimated GF Value™ of NT$67.55.
GuruFocus considers Sincere Security to be Modestly Undervalued.
Key valuation signals for ROCO:6721:
GF Score: 90 (181% above median its 10-year median of 32.00)
GF Value™: NT$67.55 vs. price of NT$52.00 (23% below fair value)
No single metric tells the full story. See the ROCO:6721 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Sincere Security Corp Ltd is a Taiwan based company involved in property management, cleaning services, mechanical and electrical air-conditioning maintenance and security monitoring. It provides services at science parks, hypermarkets, commercial buildings, schools, golf courses, villas and residential areas, and government units.
90GF Score
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