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3S Silicon TechROCO:5297 -0.71%68 PB Ratio is 5.63 as of Jul. 26, 2026, which is 314% above its 10-year median of 1.36. GuruFocus rates ROCO:5297 with a GF Score™ of 68/100 and a GF Value™ of NT$26.90 (Significantly Overvalued). The stock has 5 warning signs investors should review. Among 998 Semiconductors companies, 3S Silicon Tech ranks worse than 73.15% on this metric.
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. As of today (2026-07-26), 3S Silicon Tech's share price is NT$69.50. 3S Silicon Tech's Book Value per Share for the quarter that ended in Dec. 2025 was NT$12.34. Hence, 3S Silicon Tech's PB Ratio of today is 5.63.
The historical rank and industry rank for 3S Silicon Tech's PB Ratio or its related term are showing as below:
ROCO:5297'
s PB Ratio Range Over the Past 10 Years
Min: 0.77 Med: 1.36 Max: 16.04
Current: 5.63
During the past 13 years, 3S Silicon Tech's highest PB Ratio was 16.04. The lowest was 0.77. And the median was 1.36.
ROCO:5297's PB Ratio is ranked worse than 73.15% of 998
companies
in the Semiconductors industry
Industry Median: 3.14
vs ROCO:5297: 5.63
During the past 12 months, 3S Silicon Tech's average Book Value Per Share Growth Rate was -3.80% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 6.00% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 8.30% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 3.50% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of 3S Silicon Tech was 13.50% per year. The lowest was -3.70% per year. And the median was 3.25% per year.
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.
3S Silicon Tech PB Ratio Related Terms
3S Silicon Tech PB Ratio Historical Data
* Premium members only.
The historical data trend for 3S Silicon Tech's PB Ratio can be seen below:
* 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 Semiconductors subindustry, 3S Silicon Tech'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.
3S Silicon Tech PB Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, 3S Silicon Tech's PB Ratio distribution charts can be found below:
* The bar in red indicates where 3S Silicon Tech'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.
3S Silicon Tech's PB Ratio for today is calculated as follows:
* 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.
3S Silicon Tech (ROCO:5297) has a PB Ratio of 5.63 as of Jul. 26, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on 3S Silicon Tech and its competitors. This is 314% above median its historical median of 1.36. Over the past decade, 3S Silicon Tech's PB Ratio has ranged from 0.77 to 16.04. According to the industry distribution chart, 3S Silicon Tech ranks #730 out of 998 companies in the Semiconductors industry, placing it in the top 73.1%.
Is 3S Silicon Tech's PB Ratio too high?
3S Silicon Tech's current PB Ratio of 5.63 is 314% above median its 10-year median of 1.36. Over the past 10 years, this metric has ranged from a low of 0.77 to a high of 16.04. The Semiconductors industry median PB Ratio is 3.14. 3S Silicon Tech's value of 5.63 is 79.3% above this industry median. Based on the distribution chart, 3S Silicon Tech ranks #730 out of 998 companies in the Semiconductors industry, which is below the industry midpoint. Overall, 3S Silicon Tech has a GF Score™ of 68/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does 3S Silicon Tech's PB Ratio compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, 3S Silicon Tech ranks #730 out of 998 companies for PB Ratio. This places 3S Silicon Tech in the lower half of its industry. The industry median PB Ratio is 3.14. 3S Silicon Tech's value of 5.63 is 79.3% above this benchmark. Historically, 3S Silicon Tech's own PB Ratio has ranged from 0.77 to 16.04 over the past decade. While the company's 10-year median is 1.36 vs. the industry median of 3.14, 3S Silicon Tech 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 3.14, 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. 3S Silicon Tech's current PB Ratio of 5.63 is 79.3% 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 3S Silicon Tech and its competitors. For the Semiconductors industry, the median PB Ratio is 3.14 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. 3S Silicon Tech's current PB Ratio is 5.63, which is 314% above median its own 10-year median of 1.36. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is 3S Silicon Tech stock overvalued right now?
Based on GuruFocus' analysis, 3S Silicon Tech (ROCO:5297) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$26.90, compared to a current price of NT$69.50 — trading 158.4% above its estimated fair value. The current PB Ratio is 5.63, which is 314% above median its 10-year median of 1.36 and 79.3% above the Semiconductors industry median of 3.14. 3S Silicon Tech's overall GF Score™ is 68/100 with 5 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 3S Silicon Tech (ROCO:5297), the current PB Ratio is 5.63 as of Jul. 26, 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 3S Silicon Tech (ROCO:5297) Overvalued in 2026?
Based on GuruFocus' analysis, 3S Silicon Tech stock appears to be overvalued.
The current stock price of NT$69.50 is trading 158.4% above its estimated GF Value™ of NT$26.90.
GuruFocus considers 3S Silicon Tech to be Significantly Overvalued.
Key valuation signals for ROCO:5297:
PB Ratio: 5.63 (314% above median its 10-year median of 1.36)
GF Value™: NT$26.90 vs. price of NT$69.50 (158.4% above fair value)
Industry Position: 79.3% above the Semiconductors median (#730 of 998)
No single metric tells the full story. See the ROCO:5297 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
3S Silicon Tech Inc. is a Taiwan-based company that offers die bonding for discrete power devices. Its products include clip-die bonders for power devices, snap ovens, customized equipment, and an open lab platform. 3S also provides intelligent automatic assembly machine systems, focusing on the packaging technology of discrete power semiconductors, supported by solutions and services. The company's systems include die-attach machines, stencil printers, copper strip die bonders, vacuum reflow ovens, and formic acid vacuum reflow ovens.
68GF Score
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