Lee Chang Yung Technology has the GF Score of 50, which implies that the company
might have
Worst future performance potential, or not enough data.
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 Lee Chang Yung Technology
might have
Worst future performance potential, or not enough data.
Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.
Lee Chang Yung Technology (TPE:4989) 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)
(1) These are some simple examples. You can access our GF Score filter under All-in-One Screener’s Fundamental tab.
Lee Chang Yung Technology GF Score Related Terms
TPE:4989 vs SCCO, FCX: GF Score Comparison
For the Copper subindustry, Lee Chang Yung 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.
Lee Chang Yung Technology GF Score vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, Lee Chang Yung Technology's GF Score distribution charts can be found below:
* The bar in red indicates where Lee Chang Yung Technology's GF Score falls into.
Lee Chang Yung Technology (TPE:4989) has a GF Score of 50 as of Jul. 08, 2026. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on Lee Chang Yung Technology and its competitors. This is 24% below median its historical median of 66.00. Over the past decade, Lee Chang Yung Technology's GF Score has ranged from 27.00 to 79.00.
Is Lee Chang Yung Technology's GF Score too high?
Lee Chang Yung Technology's current GF Score of 50 is 24% below median its 10-year median of 66.00. Over the past 10 years, this metric has ranged from a low of 27.00 to a high of 79.00. Overall, Lee Chang Yung Technology has a GF Score™ of 50/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Lee Chang Yung Technology's GF Score compare to SCCO and FCX?
Lee Chang Yung Technology's GF Score of 50 can be compared against companies in the Metals & Mining industry. Historically, Lee Chang Yung Technology's own GF Score has ranged from 27.00 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 Metals & Mining company?
A good GF Score depends on the Metals & Mining 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 Lee Chang Yung Technology and its competitors. Lee Chang Yung Technology's current GF Score is 50, which is 24% below median its own 10-year median of 66.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Lee Chang Yung Technology stock overvalued right now?
Based on GuruFocus' analysis, Lee Chang Yung Technology (TPE:4989) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$16.69, compared to a current price of NT$98.40 — trading 489.6% above its estimated fair value. The current GF Score is 50, which is 24% below median its 10-year median of 66.00. Lee Chang Yung Technology's overall GF Score™ is 50/100 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 Lee Chang Yung Technology (TPE:4989), the current GF Score is 50 as of Jul. 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 Lee Chang Yung Technology (TPE:4989) Overvalued in 2026?
Based on GuruFocus' analysis, Lee Chang Yung Technology stock appears to be overvalued.
The current stock price of NT$98.40 is trading 489.6% above its estimated GF Value™ of NT$16.69.
GuruFocus considers Lee Chang Yung Technology to be Significantly Overvalued.
Key valuation signals for TPE:4989:
GF Score: 50 (24% below median its 10-year median of 66.00)
GF Value™: NT$16.69 vs. price of NT$98.40 (489.6% above fair value)
No single metric tells the full story. See the TPE:4989 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Lee Chang Yung Technology Corp produces, manufactures, and sells electrolytic copper foil, an upstream material for printed circuit boards. The Group currently sells a single product, copper foil.
50GF Score
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