CastleNet Technology (ROCO:8059) GF Score: 52/100 (As of Jul. 18, 2026) — 10% Below Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
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Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

ROCO:8059 CastleNet Technology Inc ROCO:8059
52 GF Score
Price NT$15.85
GF Value NT$365.91
Valuation Possible Value Trap
! 7 Warning Signs
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What is CastleNet Technology GF Score?

CastleNet Technology ROCO:8059 -4.52% 52 GF Score is 52 as of Jul. 18, 2026, which is 10% below its 10-year median of 58.00. GuruFocus rates ROCO:8059 with a GF Score™ of 52/100 and a GF Value™ of NT$365.91 (Possible Value Trap). The stock has 7 warning signs investors should review.

CastleNet Technology has the GF Score of 52, which implies that the company might have Poor future performance 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:

1. Financial Strength : 3/10
2. Profitability Rank : 4/10
3. Growth Rank : 5/10
4. GF Value Rank : 2/10
5. Momentum Rank : 2/10

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 CastleNet Technology might have Poor future performance potential.

Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.


CastleNet Technology  (ROCO:8059) GF Score Explanation

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)
91 - 100Highest outperformance potential
81 - 90Good outperformance potential
71 - 80Likely to have average performance
51 - 70Poor future performance potential
0 - 50Worst future performance potential, or not enough data

(1) These are some simple examples. You can access our GF Score filter under All-in-One Screener’s Fundamental tab.


CastleNet Technology GF Score Related Terms


ROCO:8059 vs CSCO, CIEN, MSI: GF Score Comparison

For the Communication Equipment subindustry, CastleNet Technology'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.


CastleNet Technology GF Score vs Hardware Industry

For the Hardware industry and Technology sector, CastleNet Technology's GF Score distribution charts can be found below:

* The bar in red indicates where CastleNet Technology's GF Score falls into.


ROCO:8059
52GF Score
CastleNet Technology Inc ROCO:8059
GF Score is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about GF Score →
What does a GF Score of 52 mean?
CastleNet Technology (ROCO:8059) has a GF Score of 52 as of Jul. 18, 2026. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on CastleNet Technology and its competitors. This is 10% below median its historical median of 58.00. Over the past decade, CastleNet Technology's GF Score has ranged from 22.00 to 79.00.
Is CastleNet Technology's GF Score too high?
CastleNet Technology's current GF Score of 52 is 10% below median its 10-year median of 58.00. Over the past 10 years, this metric has ranged from a low of 22.00 to a high of 79.00. Overall, CastleNet Technology has a GF Score™ of 52/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does CastleNet Technology's GF Score compare to CSCO and CIEN?
CastleNet Technology's GF Score of 52 can be compared against companies in the Hardware industry. Historically, CastleNet Technology's own GF Score has ranged from 22.00 to 79.00 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 CastleNet Technology and its competitors. CastleNet Technology's current GF Score is 52, which is 10% below median its own 10-year median of 58.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is CastleNet Technology stock overvalued right now?
Based on GuruFocus' analysis, CastleNet Technology (ROCO:8059) is currently considered Possible Value Trap. The stock's GF Value™ is NT$365.91, compared to a current price of NT$15.85 — trading 95.7% below its estimated fair value. The current GF Score is 52, which is 10% below median its 10-year median of 58.00. CastleNet Technology's overall GF Score™ is 52/100 with 7 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 CastleNet Technology (ROCO:8059), the current GF Score is 52 as of Jul. 18, 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 CastleNet Technology (ROCO:8059) Overvalued in 2026?

Based on GuruFocus' analysis, CastleNet Technology stock appears to be undervalued. The current stock price of NT$15.85 is trading 95.7% below its estimated GF Value™ of NT$365.91. GuruFocus considers CastleNet Technology to be Possible Value Trap.

Key valuation signals for ROCO:8059:

  • GF Score: 52 (10% below median its 10-year median of 58.00)
  • GF Value™: NT$365.91 vs. price of NT$15.85 (95.7% below fair value)
  • GF Score™: 52/100 with 7 warning signs

No single metric tells the full story. See the ROCO:8059 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


CastleNet Technology Business Description

Address No. 14, Beishen Road, Ln. 141, Sec. 3, Shenkeng District, New Taipei City, TWN, 222004
CastleNet Technology Inc is a manufacturer of network communication equipment in Taiwan. It is predominantly engaged in the manufacturing and selling of consumer electronics products such as broadband communications and digital home entertainment. It offers products like EMTA Gateway, Data Gateway, Data Modem, and WiFi Mesh System among others. Geographically, the company generates a majority of its revenue from America followed by Asia, Europe, and Oceania.
52GF Score

Get the complete analysis for ROCO:8059

GF Score is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$15.85
Price
NT$365.91
GF Value