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.
Foci Fiber Optic Communications has the GF Score of 75, which implies that the company
is
Likely to have average performance.
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 Foci Fiber Optic Communications
is
Likely to have average performance.
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.
Foci Fiber Optic Communications GF Score Related Terms
ROCO:3363 vs CSCO, CIEN, MSI: GF Score Comparison
For the Communication Equipment subindustry, Foci Fiber Optic Communications'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.
Foci Fiber Optic Communications GF Score vs Hardware Industry
For the Hardware industry and Technology sector, Foci Fiber Optic Communications's GF Score distribution charts can be found below:
* The bar in red indicates where Foci Fiber Optic Communications's GF Score falls into.
Foci Fiber Optic Communications (ROCO:3363) has a GF Score of 75 as of Jul. 19, 2026. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on Foci Fiber Optic Communications and its competitors. This is near median its historical median of 78.00. Over the past decade, Foci Fiber Optic Communications' GF Score has ranged from 33.00 to 92.00.
Is Foci Fiber Optic Communications' GF Score too high?
Foci Fiber Optic Communications' current GF Score of 75 is near median its 10-year median of 78.00. Over the past 10 years, this metric has ranged from a low of 33.00 to a high of 92.00. Overall, Foci Fiber Optic Communications has a GF Score™ of 75/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Foci Fiber Optic Communications' GF Score compare to CSCO and CIEN?
Foci Fiber Optic Communications' GF Score of 75 can be compared against companies in the Hardware industry. Historically, Foci Fiber Optic Communications' own GF Score has ranged from 33.00 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 Hardware company?
A good GF Score depends on the Hardware 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 Foci Fiber Optic Communications and its competitors. Foci Fiber Optic Communications's current GF Score is 75, which is near median its own 10-year median of 78.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Foci Fiber Optic Communications stock overvalued right now?
Based on GuruFocus' analysis, Foci Fiber Optic Communications (ROCO:3363) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$227.34, compared to a current price of NT$504.00 — trading 121.7% above its estimated fair value. The current GF Score is 75, which is near median its 10-year median of 78.00. Foci Fiber Optic Communications' overall GF Score™ is 75/100 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 Foci Fiber Optic Communications (ROCO:3363), the current GF Score is 75 as of Jul. 19, 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 Foci Fiber Optic Communications (ROCO:3363) Overvalued in 2026?
Based on GuruFocus' analysis, Foci Fiber Optic Communications stock appears to be overvalued.
The current stock price of NT$504.00 is trading 121.7% above its estimated GF Value™ of NT$227.34.
GuruFocus considers Foci Fiber Optic Communications to be Significantly Overvalued.
Key valuation signals for ROCO:3363:
GF Score: 75 (near median its 10-year median of 78.00)
GF Value™: NT$227.34 vs. price of NT$504.00 (121.7% above fair value)
No single metric tells the full story. See the ROCO:3363 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Foci Fiber Optic Communications Business Description
Foci Fiber Optic Communications Inc is engaged in the research, manufacture and sales of various passive fiber optical components, fiber optic test equipment, fiber optics application system and plan, design, consulting and technology services of system integration of the aforementioned products. Its products include interconnector series, isolators, couplers, splitters, attenuators, WDM devices, and filter devices, among others. Geographically, it generates the majority of its revenue from America.
75GF Score
Get the complete analysis for ROCO:3363
GF Score 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:3363 has been successfully added to your 
