Silicon OptronicsTPE:3530 -0.54%72 PB Ratio is 2.31 as of Jun. 24, 2026, which is 26% below its 10-year median of 3.12. GuruFocus rates TPE:3530 with a GF Score™ of 72/100 and a GF Value™ of NT$83.84 (Modestly Undervalued). The stock has 5 warning signs investors should review. Among 1,000 Semiconductors companies, Silicon Optronics ranks better than 67.8% on this metric.
Silicon Optronics Inc stock PB Ratio (=2.25) is close to 1-year high of 2.42.
The historical rank and industry rank for Silicon Optronics's PB Ratio or its related term are showing as below:
TPE:3530'
s PB Ratio Range Over the Past 10 Years
Min: 1.81 Med: 3.12 Max: 22.4
Current: 2.32
During the past 13 years, Silicon Optronics's highest PB Ratio was 22.40. The lowest was 1.81. And the median was 3.12.
TPE:3530's PB Ratio is ranked better than 67.8% of 1000
companies
in the Semiconductors industry
Industry Median: 3.835
vs TPE:3530: 2.32
During the past 12 months, Silicon Optronics's average Book Value Per Share Growth Rate was 6.20% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -2.30% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -0.30% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 11.40% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Silicon Optronics was 38.40% per year. The lowest was -5.60% per year. And the median was 6.30% 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.
Silicon Optronics PB Ratio Related Terms
Silicon Optronics PB Ratio Historical Data
* Premium members only.
The historical data trend for Silicon Optronics'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, Silicon Optronics'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.
Silicon Optronics PB Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Silicon Optronics's PB Ratio distribution charts can be found below:
* The bar in red indicates where Silicon Optronics'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.
Silicon Optronics (TPE:3530) has a PB Ratio of 2.31 as of Jun. 24, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Silicon Optronics and its competitors. This is 26% below median its historical median of 3.12. Over the past decade, Silicon Optronics' PB Ratio has ranged from 1.81 to 22.40. According to the industry distribution chart, Silicon Optronics ranks #322 out of 1000 companies in the Semiconductors industry, placing it in the top 32.2%.
Is Silicon Optronics' PB Ratio too high?
Silicon Optronics' current PB Ratio of 2.31 is 26% below median its 10-year median of 3.12. Over the past 10 years, this metric has ranged from a low of 1.81 to a high of 22.40. The Semiconductors industry median PB Ratio is 3.84. Silicon Optronics' value of 2.31 is 39.8% below this industry median. Based on the distribution chart, Silicon Optronics ranks #322 out of 1000 companies in the Semiconductors industry, which is above the industry midpoint. Overall, Silicon Optronics has a GF Score™ of 72/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Silicon Optronics' PB Ratio compare to NVDA and AVGO?
According to the Semiconductors industry distribution chart, Silicon Optronics ranks #322 out of 1000 companies for PB Ratio. This puts Silicon Optronics in the upper half of its industry. The industry median PB Ratio is 3.84. Silicon Optronics' value of 2.31 is 39.8% below this benchmark. Historically, Silicon Optronics' own PB Ratio has ranged from 1.81 to 22.40 over the past decade. While the company's 10-year median is 3.12 vs. the industry median of 3.84, Silicon Optronics has consistently been below 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 3.84, based on 1,000 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. Silicon Optronics's current PB Ratio of 2.31 is 39.8% below 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 Silicon Optronics and its competitors. For the Semiconductors industry, the median PB Ratio is 3.84 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Silicon Optronics's current PB Ratio is 2.31, which is 26% below median its own 10-year median of 3.12. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Silicon Optronics stock overvalued right now?
Based on GuruFocus' analysis, Silicon Optronics (TPE:3530) is currently considered Modestly Undervalued. The stock's GF Value™ is NT$83.84, compared to a current price of NT$73.20 — trading 12.7% below its estimated fair value. The current PB Ratio is 2.31, which is 26% below median its 10-year median of 3.12 and 39.8% below the Semiconductors industry median of 3.84. Silicon Optronics' overall GF Score™ is 72/100 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 Silicon Optronics (TPE:3530), the current PB Ratio is 2.31 as of Jun. 24, 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 Silicon Optronics (TPE:3530) Overvalued in 2026?
Based on GuruFocus' analysis, Silicon Optronics stock appears to be undervalued.
The current stock price of NT$73.20 is trading 12.7% below its estimated GF Value™ of NT$83.84.
GuruFocus considers Silicon Optronics to be Modestly Undervalued.
Key valuation signals for TPE:3530:
PB Ratio: 2.31 (26% below median its 10-year median of 3.12)
GF Value™: NT$83.84 vs. price of NT$73.20 (12.7% below fair value)
Industry Position: 39.8% below the Semiconductors median (#322 of 1000)
No single metric tells the full story. See the TPE:3530 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Silicon Optronics Inc is engaged in the design, development, and sale of complementary metal-oxide semiconductors. Its products include image sensors and shutters. The company derives revenue from complementary metal-oxide semiconductors. Geographically, it operates in Hong Kong, the United States, Taiwan, and other countries, with the majority of revenue deriving from Hong Kong.
72GF Score
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