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.
The GF Value represents the intrinsic value of a stock, determined using GuruFocus' proprietary methodology. The GF Value Line on our stock Summary page provides an estimate of the stock’s fair-trading value.
To calculate this value, GuruFocus follows these steps:
We analyze historical correlations between the stock price and key business performance metrics, such as revenue, earnings, cash flow, and book value.
We identify the metrics that have the strongest historical correlation with the stock price and determine the historical multiples at which the stock has traded relative to these metrics.
Using these historical multiples as a reference, we estimate the stock's fair value while accounting for future business growth. Adjustments may be made based on the company’s past returns and growth trends.
GuruFocus believes that the GF Value Line represents the fair value at which a stock should trade. Stock prices typically fluctuate around this line. If a stock’s price is significantly above the GF Value Line, it is considered overvalued, and its future returns are likely to be lower. Conversely, if the stock price is significantly below the GF Value Line, its future returns are likely to be higher.
(1) These are some simple examples. You can access our GF Valuation filter under All-in-One Screener’s Fundamental tab, and Price-to-GF-Value filter under Valuation Ratio tab and set your own criteria.
(2) A sufficient margin of safety exists only when the stock is undervalued.
Possible Value Trap, Think Twice companies are those that appear significantly undervalued based on their Price-to-GF-Value ratio, but whose fundamentals show signs of weakness.
Indicators that a company may be a value trap include:
* Deteriorating Financial Health: A low Altman Z-scores indicates a higher risk of bankruptcy, or a low Piotroski F-Score. * Earnings Manipulation: A high Beneish M-score indicates potential earnings manipulation, raising concerns about the reliability of reported financials. * Stagnant or Declining Growth: Lack of revenue or earnings growth, or a recent slowdown, may signal limited future prospects.
Investors should conduct thorough due diligence, examining financial statements and growth indicators, to avoid falling into value traps.
JBB Builders International's Price-to-GF-Value for today is calculated as
Price-to-GF-Value
=
Share Price
/
GF Value
=
2.50
/
1.00
=
2.50
* 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.
JBB Builders International (HKSE:01903) has a GF Value of HK$1.00 as of Aug. 13, 2026. GF Value represents the current intrinsic value of a stock derived from our exclusive method. View historical data on JBB Builders International and its competitors.
Is JBB Builders International's GF Value too high?
JBB Builders International's current GF Value is HK$1.00. Overall, JBB Builders International has a GF Score™ of 57/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does JBB Builders International's GF Value compare to PWR and FIX?
JBB Builders International's GF Value of HK$1.00 can be compared against companies in the Construction industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good GF Value for a Construction company?
A good GF Value depends on the Construction industry context. However, GF Value 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 Value mean?
A high GF Value can signal that a stock is expensive relative to its fundamentals. GF Value represents the current intrinsic value of a stock derived from our exclusive method. View historical data on JBB Builders International and its competitors. JBB Builders International's current GF Value is HK$1.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is JBB Builders International stock overvalued right now?
Based on GuruFocus' analysis, JBB Builders International (HKSE:01903) is currently considered Significantly Overvalued. The stock's GF Value™ is HK$1.00, compared to a current price of HK$2.50 — trading 150% above its estimated fair value. The current GF Value is HK$1.00. JBB Builders International's overall GF Score™ is 57/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is GF Value calculated?
GF Value is calculated from a company's financial statements. For JBB Builders International (HKSE:01903), the current GF Value is HK$1.00 as of Aug. 13, 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 JBB Builders International (HKSE:01903) Overvalued in 2026?
Based on GuruFocus' analysis, JBB Builders International stock appears to be overvalued.
The current stock price of HK$2.50 is trading 150% above its estimated GF Value™ of HK$1.00.
GuruFocus considers JBB Builders International to be Significantly Overvalued.
Key valuation signals for HKSE:01903:
GF Value: HK$1.00
GF Value™: HK$1.00 vs. price of HK$2.50 (150% above fair value)
No single metric tells the full story. See the HKSE:01903 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
JBB Builders International Ltd is an established engineering contractor mainly engaged in marine construction services, as well as building and infrastructure services in Malaysia and Singapore. Its business is divided into three types of services: marine construction services, building and infrastructure services, and the trading business of marine gas oil. The marine construction services are further classified into reclamation and related works, and marine transportation, while the building and infrastructure services include general building works for the construction of properties and infrastructure projects. The majority of its revenue comes from marine construction services. Geographically, it derives revenue mainly from Singapore.
57GF Score
Get the complete analysis for HKSE:01903
GF Value is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
HKSE:01903 has been successfully added to your 
