Sino-American Silicon Products (ROCO:5483) Valuation Rank

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
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Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

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
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What is Sino-American Silicon Products Valuation Rank?

The Valuation Rank measures the current valuation of a business relative to other companies in the same industry and its own historical valuation. The companies are split in equal numbers and then ranked from 1 to 10, with 10 as the most undervalued and 1 as the most overvalued.

  1. Three factors:
    • Absolute valuation (medpsvalue) relative to current stock price, rank among all companies
    • Historical valuation over the past 10 years. Rank pe, ps, pocf, ev2ebit over their own historical values
    • Industry relative valuation
  2. Companies without enough data is not ranked
  3. Companies with negative earnings are ranked lower

These three factors are used to calculate the value score for every eligible company, with values from 1 to 10. The final ranked companies are split in equal numbers and ranked from 1 to 10, with 10 as the most undervalued, and 1 as the most overvalued. The numbers of companies in each rank are the same.

Sino-American Silicon Products Valuation Rank Related Terms

ROCO:5483
77GF Score
Sino-American Silicon Products Inc ROCO:5483
Valuation Rank is just one metric. See GF Score™, valuation, warning signs, and more.
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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:

  • Valuation Rank:
  • GF Value™: NT$151.36 vs. price of NT$212.50 (40.4% above fair value)
  • GF Score™: 77/100 with 13 warning signs

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

Valuation Rank 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