Sino-American Silicon Products (ROCO:5483) Piotroski F-Score: 5 (As of Jul. 23, 2026) — Near Median

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ROCO:5483 Sino-American Silicon Products Inc ROCO:5483
77 GF Score
Price NT$212.50
GF Value NT$151.36
Valuation Significantly Overvalued
! 13 Warning Signs
View Full Analysis

What is Sino-American Silicon Products Piotroski F-Score?

Sino-American Silicon Products ROCO:5483 -9.19% 77 Piotroski F-Score is 5 as of Jul. 23, 2026, which is at its 10-year median of 5.00. GuruFocus rates ROCO:5483 with a GF Score™ of 77/100 and a GF Value™ of NT$151.36 (Significantly Overvalued). The stock has 13 warning signs investors should review. Among 989 Semiconductors companies, Sino-American Silicon Products ranks better than 61.27% on this metric.

The zones of discrimination were as such:

Good or high score = 7, 8, 9
Bad or low score = 0, 1, 2, 3

Sino-American Silicon Products has an F-score of 5 indicating the company's financial situation is typical for a stable company.

The historical rank and industry rank for Sino-American Silicon Products's Piotroski F-Score or its related term are showing as below:

ROCO:5483' s Piotroski F-Score Range Over the Past 10 Years
Min: 3   Med: 5   Max: 9
Current: 5

During the past 13 years, the highest Piotroski F-Score of Sino-American Silicon Products was 9. The lowest was 3. And the median was 5.

Sino-American Silicon Products  (ROCO:5483) Piotroski F-Score Explanation

The developer of the system is Joseph D. Piotroski is relatively unknown accounting professor who shuns publicity and rarely gives interviews.

He graduated from the University of Illinois with a B.S. in accounting in 1989, received an M.B.A. from Indiana University in 1994. Five years later, in 1999, after earning a Ph.D. in accounting from the University of Michigan, he became an associate professor of accounting at the University of Chicago.

In 2000, he wrote a research paper called "Value Investing: The Use of Historical Financial Statement Information to Separate Winners from Losers" (pdf).

He wanted to see if he can develop a system (using a simple nine-point scoring system) that can increase the returns of a strategy of investing in low price to book (referred to in the paper as high book to market) value companies.

What he found was something that exceeded his most optimistic expectations.

Buying only those companies that scored highest (8 or 9) on his nine-point scale, or F-Score as he called it, over the 20 year period from 1976 to 1996 led to an average out-performance over the market of 13.4%.

Even more impressive were the results of a strategy of investing in the highest F-Score companies (8 or 9) and shorting companies with the lowest F-Score (0 or 1).

Over the same period from 1976 to 1996 (20 years) this strategy led to an average yearly return of 23%, substantially outperforming the average S&P 500 index return of 15.83% over the same period.


Sino-American Silicon Products Piotroski F-Score Related Terms


Sino-American Silicon Products Piotroski F-Score Historical Data

* Premium members only.

The historical data trend for Sino-American Silicon Products's Piotroski F-Score 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.

Sino-American Silicon Products Piotroski F-Score Chart

Sino-American Silicon Products Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Piotroski F-Score
Get a 7-Day Free Trial Premium Member Only Premium Member Only 8.00 6.00 5.00 4.00 5.00

Sino-American Silicon Products Quarterly Data
Mar21 Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25
Piotroski F-Score Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 4.00 3.00 4.00 3.00 5.00

ROCO:5483 vs AMAT, LRCX, KLAC: Piotroski F-Score Comparison

For the Semiconductor Equipment & Materials subindustry, Sino-American Silicon Products's Piotroski F-Score, along with its competitors' market caps and Piotroski F-Score 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 Piotroski F-Score vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Sino-American Silicon Products's Piotroski F-Score distribution charts can be found below:

* The bar in red indicates where Sino-American Silicon Products's Piotroski F-Score falls into.


ROCO:5483
77GF Score
Sino-American Silicon Products Inc ROCO:5483
Piotroski F-Score is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

How is the Piotroski F-Score calculated?

* 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.

This Year (Dec25) TTM:Last Year (Dec24) TTM:
Net Income was 732.209 + 720.929 + 1048.19 + 1616.905 = NT$4,118 Mil.
Cash Flow from Operations was 1597.742 + 6062.971 + 1829.214 + 6421.007 = NT$15,911 Mil.
Revenue was 19373.248 + 20231.153 + 19084.059 + 19482.506 = NT$78,171 Mil.
Gross Profit was 5073.093 + 5123.32 + 3856.635 + 5517.809 = NT$19,571 Mil.
Average Total Assets from the begining of this year (Dec24)
to the end of this year (Dec25) was
(271331.299 + 274512.978 + 251755.861 + 264536.772 + 268961.579) / 5 = NT$266219.6978 Mil.
Total Assets at the begining of this year (Dec24) was NT$271,331 Mil.
Long-Term Debt & Capital Lease Obligation was NT$48,402 Mil.
Total Current Assets was NT$109,602 Mil.
Total Current Liabilities was NT$70,127 Mil.
Net Income was 1902.01 + 1646.281 + 1323.755 + 474.213 = NT$5,346 Mil.

Revenue was 19692.155 + 19896.382 + 20124.225 + 19965.785 = NT$79,679 Mil.
Gross Profit was 6194.799 + 6358.269 + 5786.151 + 5935.508 = NT$24,275 Mil.
Average Total Assets from the begining of last year (Dec23)
to the end of last year (Dec24) was
(225495.225 + 240071.479 + 273220.989 + 276858.437 + 271331.299) / 5 = NT$257395.4858 Mil.
Total Assets at the begining of last year (Dec23) was NT$225,495 Mil.
Long-Term Debt & Capital Lease Obligation was NT$42,917 Mil.
Total Current Assets was NT$102,804 Mil.
Total Current Liabilities was NT$77,323 Mil.

*Note: If the latest quarterly/semi-annual/annual total assets data is 0, then we will use previous quarterly/semi-annual/annual data for all the items in the balance sheet.

Profitability

Question 1. Return on Assets (ROA)

Net income before extraordinary items for the year divided by Total Assets at the beginning of the year.

Score 1 if positive, 0 if negative.

Sino-American Silicon Products's current Net Income (TTM) was 4,118. ==> Positive ==> Score 1.

Question 2. Cash Flow Return on Assets (CFROA)

Net cash flow from operating activities (operating cash flow) divided by Total Assets at the beginning of the year.

Score 1 if positive, 0 if negative.

Sino-American Silicon Products's current Cash Flow from Operations (TTM) was 15,911. ==> Positive ==> Score 1.

Question 3. Change in Return on Assets

Compare this year's return on assets (1) to last year's return on assets.

Score 1 if it's higher, 0 if it's lower.

ROA (This Year)=Net Income/Total Assets (Dec24)
=4118.233/271331.299
=0.01517788

ROA (Last Year)=Net Income/Total Assets (Dec23)
=5346.259/225495.225
=0.02370897

Sino-American Silicon Products's return on assets of this year was 0.01517788. Sino-American Silicon Products's return on assets of last year was 0.02370897. ==> Last year is higher ==> Score 0.

Question 4. Quality of Earnings (Accrual)

Compare Cash flow return on assets (2) to return on assets (1)

Score 1 if CFROA > ROA, 0 if CFROA <= ROA.

Sino-American Silicon Products's current Net Income (TTM) was 4,118. Sino-American Silicon Products's current Cash Flow from Operations (TTM) was 15,911. ==> 15,911 > 4,118 ==> CFROA > ROA ==> Score 1.

Funding

Question 5. Change in Gearing or Leverage

Compare this year's gearing (long-term debt divided by average total assets) to last year's gearing.

Score 0 if this year's gearing is higher, 1 otherwise.

Gearing (This Year: Dec25)=Long-Term Debt & Capital Lease Obligation/Average Total Assets from Dec24 to Dec25
=48401.875/266219.6978
=0.18181177

Gearing (Last Year: Dec24)=Long-Term Debt & Capital Lease Obligation/Average Total Assets from Dec23 to Dec24
=42917.153/257395.4858
=0.16673623

Sino-American Silicon Products's gearing of this year was 0.18181177. Sino-American Silicon Products's gearing of last year was 0.16673623. ==> Last year is lower than this year ==> Score 0.

Question 6. Change in Working Capital (Liquidity)

Compare this year's current ratio (current assets divided by current liabilities) to last year's current ratio.

Score 1 if this year's current ratio is higher, 0 if it's lower

Current Ratio (This Year: Dec25)=Total Current Assets/Total Current Liabilities
=109602.027/70126.695
=1.56291448

Current Ratio (Last Year: Dec24)=Total Current Assets/Total Current Liabilities
=102804.167/77322.585
=1.32954902

Sino-American Silicon Products's current ratio of this year was 1.56291448. Sino-American Silicon Products's current ratio of last year was 1.32954902. ==> This year's current ratio is higher. ==> Score 1.

Question 7. Change in Shares in Issue

Compare the number of shares in issue this year, to the number in issue last year.

Score 0 if there is larger number of shares in issue this year, 1 otherwise.

Sino-American Silicon Products's number of shares in issue this year was 618.37. Sino-American Silicon Products's number of shares in issue last year was 636.376. ==> There is smaller number of shares in issue this year, or the same. ==> Score 1.

Efficiency

Question 8. Change in Gross Margin

Compare this year's gross margin (Gross Profit divided by sales) to last year's.

Score 1 if this year's gross margin is higher, 0 if it's lower.

Gross Margin (This Year: TTM)=Gross Profit/Revenue
=19570.857/78170.966
=0.25035967

Gross Margin (Last Year: TTM)=Gross Profit/Revenue
=24274.727/79678.547
=0.30465825

Sino-American Silicon Products's gross margin of this year was 0.25035967. Sino-American Silicon Products's gross margin of last year was 0.30465825. ==> Last year's gross margin is higher ==> Score 0.

Question 9. Change in asset turnover

Compare this year's asset turnover (total sales for the year divided by total assets at the beginning of the year) to last year's asset turnover ratio.

Score 1 if this year's asset turnover ratio is higher, 0 if it's lower

Asset Turnover (This Year)=Revenue/Total Assets at the Beginning of This Year (Dec24)
=78170.966/271331.299
=0.28810154

Asset Turnover (Last Year)=Revenue/Total Assets at the Beginning of Last Year (Dec23)
=79678.547/225495.225
=0.35334915

Sino-American Silicon Products's asset turnover of this year was 0.28810154. Sino-American Silicon Products's asset turnover of last year was 0.35334915. ==> Last year's asset turnover is higher ==> Score 0.

Evaluation

Piotroski F-Score= Que. 1+ Que. 2+ Que. 3+Que. 4+Que. 5+Que. 6+Que. 7+Que. 8+Que. 9
=1+1+0+1+0+1+1+0+0
=5

Good or high score = 7, 8, 9
Bad or low score = 0, 1, 2, 3

Sino-American Silicon Products has an F-score of 5 indicating the company's financial situation is typical for a stable company.

Frequently Asked Questions Learn more about Piotroski F-Score →
What does a Piotroski F-Score of 5 mean?
Sino-American Silicon Products (ROCO:5483) has a Piotroski F-Score of 5 as of Jul. 23, 2026. The Piotroski F-score grades a company's business operating strength from 0-9. View historical data on Sino-American Silicon Products and its competitors. This is near median its historical median of 5.00. Over the past decade, Sino-American Silicon Products' Piotroski F-Score has ranged from 3.00 to 9.00. According to the industry distribution chart, Sino-American Silicon Products ranks #383 out of 989 companies in the Semiconductors industry, placing it in the top 38.7%.
Is Sino-American Silicon Products' Piotroski F-Score too high?
Sino-American Silicon Products' current Piotroski F-Score of 5 is near median its 10-year median of 5.00. Over the past 10 years, this metric has ranged from a low of 3.00 to a high of 9.00. The Semiconductors industry median Piotroski F-Score is 5.00. Sino-American Silicon Products' value of 5 is 0% at this industry median. Based on the distribution chart, Sino-American Silicon Products ranks #383 out of 989 companies in the Semiconductors industry, which is above the industry midpoint. Overall, Sino-American Silicon Products has a GF Score™ of 77/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Sino-American Silicon Products' Piotroski F-Score compare to AMAT and LRCX?
According to the Semiconductors industry distribution chart, Sino-American Silicon Products ranks #383 out of 989 companies for Piotroski F-Score. This puts Sino-American Silicon Products in the upper half of its industry. The industry median Piotroski F-Score is 5.00. Sino-American Silicon Products' value of 5 is 0% at this benchmark. Historically, Sino-American Silicon Products' own Piotroski F-Score has ranged from 3.00 to 9.00 over the past decade. While the company's 10-year median is 5.00 vs. the industry median of 5.00, Sino-American Silicon Products has consistently been at 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 Piotroski F-Score for a Semiconductors company?
The median Piotroski F-Score among Semiconductors companies is 5.00, based on 989 companies in the industry. Companies in the top quartile (top 25%) have a Piotroski F-Score significantly above this median, while those in the bottom quartile fall well below. However, Piotroski F-Score should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Sino-American Silicon Products's current Piotroski F-Score of 5 is 0% at 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 Piotroski F-Score mean?
A high Piotroski F-Score can signal that a stock is expensive relative to its fundamentals. The Piotroski F-score grades a company's business operating strength from 0-9. View historical data on Sino-American Silicon Products and its competitors. For the Semiconductors industry, the median Piotroski F-Score is 5.00 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Sino-American Silicon Products's current Piotroski F-Score is 5, which is near median its own 10-year median of 5.00. 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?
Based on GuruFocus' analysis, Sino-American Silicon Products (ROCO:5483) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$151.36, compared to a current price of NT$212.50 — trading 40.4% above its estimated fair value. The current Piotroski F-Score is 5, which is near median its 10-year median of 5.00 and 0% at the Semiconductors industry median of 5.00. 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 Piotroski F-Score calculated?
Piotroski F-Score is calculated from a company's financial statements. For Sino-American Silicon Products (ROCO:5483), the current Piotroski F-Score is 5 as of Jul. 23, 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 (ROCO:5483) Overvalued in 2026?

Based on GuruFocus' analysis, Sino-American Silicon Products stock appears to be overvalued. The current stock price of NT$212.50 is trading 40.4% above its estimated GF Value™ of NT$151.36. GuruFocus considers Sino-American Silicon Products to be Significantly Overvalued.

Key valuation signals for ROCO:5483:

  • Piotroski F-Score: 5 (near median its 10-year median of 5.00)
  • GF Value™: NT$151.36 vs. price of NT$212.50 (40.4% above fair value)
  • GF Score™: 77/100 with 13 warning signs
  • Industry Position: 0% at the Semiconductors median (#383 of 989)

No single metric tells the full story. See the ROCO:5483 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Sino-American Silicon Products Business Description

Address Industrial East Road 2, No. 8, 4th Floor, Science Based Industrial Park, Hsinchu, TWN
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 ROCO:5483

Piotroski F-Score is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$212.50
Price
NT$151.36
GF Value