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Formosa Sumco TechnologyTPE:3532 +9.56%62 PB Ratio is 8.01 as of Jul. 15, 2026, which is 215% above its 10-year median of 2.54. GuruFocus rates TPE:3532 with a GF Score™ of 62/100 and a GF Value™ of NT$117.56 (Significantly Overvalued). The stock has 10 warning signs investors should review. Among 998 Semiconductors companies, Formosa Sumco Technology ranks worse than 79.76% on this metric.
Formosa Sumco Technology Corp stock PB Ratio (=6.65) is close to 10-year high of 6.91.
The historical rank and industry rank for Formosa Sumco Technology's PB Ratio or its related term are showing as below:
TPE:3532'
s PB Ratio Range Over the Past 10 Years
Min: 1.14 Med: 2.54 Max: 8.01
Current: 8.01
During the past 13 years, Formosa Sumco Technology's highest PB Ratio was 8.01. The lowest was 1.14. And the median was 2.54.
TPE:3532's PB Ratio is ranked worse than 79.76% of 998
companies
in the Semiconductors industry
Industry Median: 3.425
vs TPE:3532: 8.01
During the past 12 months, Formosa Sumco Technology's average Book Value Per Share Growth Rate was -0.40% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -0.20% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 4.40% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 2.40% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Formosa Sumco Technology was 7.70% per year. The lowest was -2.10% per year. And the median was 2.05% per year.
Back to Basics: PB Ratio
Formosa Sumco Technology (TPE:3532) 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.
* 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 Semiconductor Equipment & Materials subindustry, Formosa Sumco 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.
Formosa Sumco Technology PB Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Formosa Sumco Technology's PB Ratio distribution charts can be found below:
* The bar in red indicates where Formosa Sumco 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.
Formosa Sumco Technology (TPE:3532) has a PB Ratio of 8.01 as of Jul. 15, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Formosa Sumco Technology and its competitors. This is 215% above median its historical median of 2.54. Over the past decade, Formosa Sumco Technology's PB Ratio has ranged from 1.14 to 8.01. According to the industry distribution chart, Formosa Sumco Technology ranks #796 out of 998 companies in the Semiconductors industry, placing it in the top 79.8%.
Is Formosa Sumco Technology's PB Ratio too high?
Formosa Sumco Technology's current PB Ratio of 8.01 is 215% above median its 10-year median of 2.54. Over the past 10 years, this metric has ranged from a low of 1.14 to a high of 8.01. The Semiconductors industry median PB Ratio is 3.43. Formosa Sumco Technology's value of 8.01 is 133.9% above this industry median. Based on the distribution chart, Formosa Sumco Technology ranks #796 out of 998 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, Formosa Sumco Technology has a GF Score™ of 62/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Formosa Sumco Technology's PB Ratio compare to AMAT and LRCX?
According to the Semiconductors industry distribution chart, Formosa Sumco Technology ranks #796 out of 998 companies for PB Ratio. This places Formosa Sumco Technology in the lower half of its industry. The industry median PB Ratio is 3.43. Formosa Sumco Technology's value of 8.01 is 133.9% above this benchmark. Historically, Formosa Sumco Technology's own PB Ratio has ranged from 1.14 to 8.01 over the past decade. While the company's 10-year median is 2.54 vs. the industry median of 3.43, Formosa Sumco 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 Semiconductors company?
The median PB Ratio among Semiconductors companies is 3.43, based on 998 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. Formosa Sumco Technology's current PB Ratio of 8.01 is 133.9% 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 Formosa Sumco Technology and its competitors. For the Semiconductors industry, the median PB Ratio is 3.43 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Formosa Sumco Technology's current PB Ratio is 8.01, which is 215% above median its own 10-year median of 2.54. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Formosa Sumco Technology stock overvalued right now?
Based on GuruFocus' analysis, Formosa Sumco Technology (TPE:3532) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$117.56, compared to a current price of NT$510.00 — trading 333.8% above its estimated fair value. The current PB Ratio is 8.01, which is 215% above median its 10-year median of 2.54 and 133.9% above the Semiconductors industry median of 3.43. Formosa Sumco Technology's overall GF Score™ is 62/100 with 10 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 Formosa Sumco Technology (TPE:3532), the current PB Ratio is 8.01 as of Jul. 15, 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 Formosa Sumco Technology (TPE:3532) Overvalued in 2026?
Based on GuruFocus' analysis, Formosa Sumco Technology stock appears to be overvalued.
The current stock price of NT$510.00 is trading 333.8% above its estimated GF Value™ of NT$117.56.
GuruFocus considers Formosa Sumco Technology to be Significantly Overvalued.
Key valuation signals for TPE:3532:
PB Ratio: 8.01 (215% above median its 10-year median of 2.54)
GF Value™: NT$117.56 vs. price of NT$510.00 (333.8% above fair value)
Industry Position: 133.9% above the Semiconductors median (#796 of 998)
No single metric tells the full story. See the TPE:3532 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Formosa Sumco Technology Corp is a Taiwan-based manufacturer and seller of silicon wafer electronic products. The company operates in two principal geographical areas: Taiwan, China, and Japan, with the majority of revenue from Taiwan. The company's product range includes Polished Wafers, Annealed Wafers, Test Wafers, and Epitaxial Wafers.
62GF Score
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