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Lee Chang Yung TechnologyTPE:4989 50 PB Ratio is 7.84 as of Jul. 16, 2026, which is 367% above its 10-year median of 1.68. GuruFocus rates TPE:4989 with a GF Score™ of 50/100 and a GF Value™ of NT$16.64 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 2,359 Metals & Mining companies, Lee Chang Yung Technology ranks worse than 86.14% on this metric.
The historical rank and industry rank for Lee Chang Yung Technology's PB Ratio or its related term are showing as below:
TPE:4989'
s PB Ratio Range Over the Past 10 Years
Min: 0.21 Med: 1.68 Max: 10.83
Current: 7.85
During the past 13 years, Lee Chang Yung Technology's highest PB Ratio was 10.83. The lowest was 0.21. And the median was 1.68.
TPE:4989's PB Ratio is ranked worse than 86.14% of 2359
companies
in the Metals & Mining industry
Industry Median: 2.2
vs TPE:4989: 7.85
During the past 12 months, Lee Chang Yung Technology's average Book Value Per Share Growth Rate was -24.10% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -14.70% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -6.60% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 1.10% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Lee Chang Yung Technology was 61.90% per year. The lowest was -39.90% per year. And the median was 2.05% per year.
Back to Basics: PB Ratio
Lee Chang Yung Technology (TPE:4989) PB Ratio Explanation
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
Lee Chang Yung Technology PB Ratio Related Terms
Lee Chang Yung Technology PB Ratio Historical Data
* 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.
For the Copper subindustry, Lee Chang Yung Technology's PB Ratio, along with its competitors' market caps and PB Ratio 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 PB Ratio vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, Lee Chang Yung Technology's PB Ratio distribution charts can be found below:
* The bar in red indicates where Lee Chang Yung Technology's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
* 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.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Lee Chang Yung Technology (TPE:4989) has a PB Ratio of 7.84 as of Jul. 16, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Lee Chang Yung Technology and its competitors. This is 367% above median its historical median of 1.68. Over the past decade, Lee Chang Yung Technology's PB Ratio has ranged from 0.21 to 10.83. According to the industry distribution chart, Lee Chang Yung Technology ranks #2032 out of 2359 companies in the Metals & Mining industry, placing it in the top 86.1%.
Is Lee Chang Yung Technology's PB Ratio too high?
Lee Chang Yung Technology's current PB Ratio of 7.84 is 367% above median its 10-year median of 1.68. Over the past 10 years, this metric has ranged from a low of 0.21 to a high of 10.83. The Metals & Mining industry median PB Ratio is 2.20. Lee Chang Yung Technology's value of 7.84 is 256.4% above this industry median. Based on the distribution chart, Lee Chang Yung Technology ranks #2032 out of 2359 companies in the Metals & Mining industry, which is in the bottom quartile relative to peers. 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 PB Ratio compare to SCCO and FCX?
According to the Metals & Mining industry distribution chart, Lee Chang Yung Technology ranks #2032 out of 2359 companies for PB Ratio. This places Lee Chang Yung Technology in the lower half of its industry. The industry median PB Ratio is 2.20. Lee Chang Yung Technology's value of 7.84 is 256.4% above this benchmark. Historically, Lee Chang Yung Technology's own PB Ratio has ranged from 0.21 to 10.83 over the past decade. While the company's 10-year median is 1.68 vs. the industry median of 2.20, Lee Chang Yung Technology has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PB Ratio for a Metals & Mining company?
The median PB Ratio among Metals & Mining companies is 2.20, based on 2,359 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Lee Chang Yung Technology's current PB Ratio of 7.84 is 256.4% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Lee Chang Yung Technology and its competitors. For the Metals & Mining industry, the median PB Ratio is 2.20 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Lee Chang Yung Technology's current PB Ratio is 7.84, which is 367% above median its own 10-year median of 1.68. 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$16.64, compared to a current price of NT$80.00 — trading 380.8% above its estimated fair value. The current PB Ratio is 7.84, which is 367% above median its 10-year median of 1.68 and 256.4% above the Metals & Mining industry median of 2.20. Lee Chang Yung Technology's overall GF Score™ is 50/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Lee Chang Yung Technology (TPE:4989), the current PB Ratio is 7.84 as of Jul. 16, 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$80.00 is trading 380.8% above its estimated GF Value™ of NT$16.64.
GuruFocus considers Lee Chang Yung Technology to be Significantly Overvalued.
Key valuation signals for TPE:4989:
PB Ratio: 7.84 (367% above median its 10-year median of 1.68)
GF Value™: NT$16.64 vs. price of NT$80.00 (380.8% above fair value)
Industry Position: 256.4% above the Metals & Mining median (#2032 of 2359)
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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