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Sino-American Silicon Products Inc stock PB Ratio (=2.92) is close to 2-year high of 3.13.
The historical rank and industry rank for Sino-American Silicon Products's PB Ratio or its related term are showing as below:
LUX:SIAMS'
s PB Ratio Range Over the Past 10 Years
Min: 0.75 Med: 2.12 Max: 4.83
Current: 2.92
During the past 13 years, Sino-American Silicon Products's highest PB Ratio was 4.83. The lowest was 0.75. And the median was 2.12.
LUX:SIAMS's PB Ratio is ranked better than 54.81% of 998
companies
in the Semiconductors industry
Industry Median: 3.245
vs LUX:SIAMS: 2.92
During the past 12 months, Sino-American Silicon Products's average Book Value Per Share Growth Rate was 1.80% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 14.00% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 12.40% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 7.10% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Sino-American Silicon Products was 25.90% per year. The lowest was -8.50% per year. And the median was 5.70% per year.
Back to Basics: PB Ratio
Sino-American Silicon Products (LUX:SIAMS) 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.
Sino-American Silicon Products PB Ratio Related Terms
Sino-American Silicon Products 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.
LUX:SIAMS vs AMAT, LRCX, KLAC: PB Ratio Comparison
For the Semiconductor Equipment & Materials subindustry, Sino-American Silicon Products'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.
Sino-American Silicon Products PB Ratio vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Sino-American Silicon Products's PB Ratio distribution charts can be found below:
* The bar in red indicates where Sino-American Silicon Products's PB Ratio falls into.
Sino-American Silicon Products PB Ratio Calculation
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.
Sino-American Silicon Products (LUX:SIAMS) has a PB Ratio of 2.78 as of Jul. 24, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Sino-American Silicon Products and its competitors. This is 31% above median its historical median of 2.12. Over the past decade, Sino-American Silicon Products' PB Ratio has ranged from 0.75 to 4.83. According to the industry distribution chart, Sino-American Silicon Products ranks #451 out of 998 companies in the Semiconductors industry, placing it in the top 45.2%.
Is Sino-American Silicon Products' PB Ratio too high?
Sino-American Silicon Products' current PB Ratio of 2.78 is 31% above median its 10-year median of 2.12. Over the past 10 years, this metric has ranged from a low of 0.75 to a high of 4.83. The Semiconductors industry median PB Ratio is 3.25. Sino-American Silicon Products' value of 2.78 is 14.3% below this industry median. Based on the distribution chart, Sino-American Silicon Products ranks #451 out of 998 companies in the Semiconductors industry, which is above the industry midpoint. Overall, Sino-American Silicon Products has a GF Score™ of 77/100, reflecting its overall financial health beyond just this single metric.
How does Sino-American Silicon Products' PB Ratio compare to AMAT and LRCX?
According to the Semiconductors industry distribution chart, Sino-American Silicon Products ranks #451 out of 998 companies for PB Ratio. This puts Sino-American Silicon Products in the upper half of its industry. The industry median PB Ratio is 3.25. Sino-American Silicon Products' value of 2.78 is 14.3% below this benchmark. Historically, Sino-American Silicon Products' own PB Ratio has ranged from 0.75 to 4.83 over the past decade. While the company's 10-year median is 2.12 vs. the industry median of 3.25, Sino-American Silicon Products 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 3.25, 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. Sino-American Silicon Products's current PB Ratio of 2.78 is 14.3% 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 Sino-American Silicon Products and its competitors. For the Semiconductors industry, the median PB Ratio is 3.25 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Sino-American Silicon Products's current PB Ratio is 2.78, which is 31% above median its own 10-year median of 2.12. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sino-American Silicon Products stock overvalued right now?
Sino-American Silicon Products (LUX:SIAMS) has a current PB Ratio of 2.78. The stock's GF Value™ is $4.59, compared to a current price of $7.15 — trading 55.8% above its estimated fair value. The current PB Ratio is 2.78, which is 31% above median its 10-year median of 2.12 and 14.3% below the Semiconductors industry median of 3.25. Sino-American Silicon Products' overall GF Score™ is 77/100 with 13 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 Sino-American Silicon Products (LUX:SIAMS), the current PB Ratio is 2.78 as of Jul. 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 Sino-American Silicon Products (LUX:SIAMS) Overvalued in 2026?
Based on GuruFocus' analysis, Sino-American Silicon Products stock appears to be overvalued.
The current stock price of $7.15 is trading 55.8% above its estimated GF Value™ of $4.59.
Key valuation signals for LUX:SIAMS:
PB Ratio: 2.78 (31% above median its 10-year median of 2.12)
GF Value™: $4.59 vs. price of $7.15 (55.8% above fair value)
Industry Position: 14.3% below the Semiconductors median (#451 of 998)
No single metric tells the full story. See the LUX:SIAMS stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Sino-American Silicon Products Business Description
Founded in 1981, Sino-American Silicon Products Inc. is a holding company specializing in the semiconductor industry. Its crown jewel is its 46.64% stake in silicon wafer producer GlobalWafers, which was carved out in 2011. GlobalWafers runs 18 production sites in nine countries across Asia, North America, and Europe. Other notable investments include Advanced Wireless Semiconductor Company, Actron Technology, and Taiwan Specialty Materials. SAS started selling renewable energy to power grids in October 2022. SAS is headquartered in Hsinchu, Taiwan. SAS employs about 8,000 people through its subsidiaries. Through GlobalWafers, SAS had nearly 17% market share in silicon wafers in 2025.
77GF Score
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