Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
* 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: OCF Margin % Comparison
For the Semiconductor Equipment & Materials subindustry, Sino-American Silicon Products's OCF Margin %, along with its competitors' market caps and OCF Margin % 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 OCF Margin % vs Semiconductors Industry
For the Semiconductors industry and Technology sector, Sino-American Silicon Products's OCF Margin % distribution charts can be found below:
* The bar in red indicates where Sino-American Silicon Products's OCF Margin % falls into.
* 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.
Sino-American Silicon Products (LUX:SIAMS) has a OCF Margin % of 32.96% as of Dec. 2025. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Sino-American Silicon Products and its competitors. This is 28% above median its historical median of 25.82. Over the past decade, Sino-American Silicon Products' OCF Margin % has ranged from 7.90 to 52.12. According to the industry distribution chart, Sino-American Silicon Products ranks #257 out of 1023 companies in the Semiconductors industry, placing it in the top 25.1%.
Is Sino-American Silicon Products' OCF Margin % too high?
Sino-American Silicon Products' current OCF Margin % of 32.96% is 28% above median its 10-year median of 25.82. Over the past 10 years, this metric has ranged from a low of 7.90 to a high of 52.12. The Semiconductors industry median OCF Margin % is 9.42. Sino-American Silicon Products' value of 32.96% is 249.9% above this industry median. Based on the distribution chart, Sino-American Silicon Products ranks #257 out of 1023 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' OCF Margin % compare to AMAT and LRCX?
According to the Semiconductors industry distribution chart, Sino-American Silicon Products ranks #257 out of 1023 companies for OCF Margin %. This puts Sino-American Silicon Products in the upper half of its industry. The industry median OCF Margin % is 9.42. Sino-American Silicon Products' value of 32.96% is 249.9% above this benchmark. Historically, Sino-American Silicon Products' own OCF Margin % has ranged from 7.90 to 52.12 over the past decade. While the company's 10-year median is 25.82 vs. the industry median of 9.42, Sino-American Silicon Products 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 OCF Margin % for a Semiconductors company?
The median OCF Margin % among Semiconductors companies is 9.42, based on 1,023 companies in the industry. Companies in the top quartile (top 25%) have a OCF Margin % significantly above this median, while those in the bottom quartile fall well below. However, OCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Sino-American Silicon Products's current OCF Margin % of 32.96% is 249.9% 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 OCF Margin % mean?
A high OCF Margin % can signal that a stock is expensive relative to its fundamentals. OCF Margin is the ratio of Cash Flow from Operations to Total Revenue. View historical data on Sino-American Silicon Products and its competitors. For the Semiconductors industry, the median OCF Margin % is 9.42 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Sino-American Silicon Products's current OCF Margin % is 32.96%, which is 28% above median its own 10-year median of 25.82. 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 OCF Margin % of 32.96%. 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 OCF Margin % is 32.96%, which is 28% above median its 10-year median of 25.82 and 249.9% above the Semiconductors industry median of 9.42. 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 OCF Margin % calculated?
OCF Margin % is calculated from a company's financial statements. For Sino-American Silicon Products (LUX:SIAMS), the current OCF Margin % is 32.96% as of Dec. 2025. 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:
OCF Margin %: 32.96% (28% above median its 10-year median of 25.82)
GF Value™: $4.59 vs. price of $7.15 (55.8% above fair value)
Industry Position: 249.9% above the Semiconductors median (#257 of 1023)
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
Get the complete analysis for LUX:SIAMS
OCF Margin % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
LUX:SIAMS has been successfully added to your 
