Phoenix Silicon International (TPE:8028) 9-Day RSI: 66.57 (As of Jul. 17, 2026)

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.
Reviewed by: Charlie Tian Charlie Tian
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.

TPE:8028 Phoenix Silicon International Corp TPE:8028
79 GF Score
Price NT$350.00
GF Value NT$165.43
Valuation Significantly Overvalued
! 2 Warning Signs
View Full Analysis

What is Phoenix Silicon International 9-Day RSI?

Phoenix Silicon International TPE:8028 +9.89% 79 9-Day RSI is 66.57 as of Jul. 17, 2026. GuruFocus rates TPE:8028 with a GF Score™ of 79/100 and a GF Value™ of NT$165.43 (Significantly Overvalued). The stock has 2 warning signs investors should review. Among 1,032 Semiconductors companies, Phoenix Silicon International ranks worse than 96.61% on this metric.

The Relative Strength Index (RSI) is a momentum oscillator that measures the speed and change of price movements. The RSI is most typically used on a 14-day period, measured on a scale from 0 to 100. Traditionally, an asset is considered overbought or overvalued when the RSI is above 70 and oversold or undervalued when it is below 30. A shorter period RSI is more reactive to recent price changes, so it can show early signs of reversals. 9-Day RSI is sometimes used together with 14-Day RSI in a two period divergence strategy.

As of today (2026-07-17), Phoenix Silicon International's 9-Day RSI is 66.57.

The industry rank for Phoenix Silicon International's 9-Day RSI or its related term are showing as below:

TPE:8028's 9-Day RSI is ranked worse than
96.61% of 1032 companies
in the Semiconductors industry
Industry Median: 39.43 vs TPE:8028: 66.57

Phoenix Silicon International  (TPE:8028) 9-Day RSI Explanation

The Relative Strength Index (RSI), developed by J. Welles Wilder in his book “New Concepts in Technical Trading Systems.”, is a momentum oscillator that measures the speed and change of price movements. The RSI is most typically used on a 14-day period, measured on a scale from 0 to 100.

Traditionally, an asset is considered overbought or overvalued when the RSI is above 70 and oversold or undervalued when it is below 30. A RSI surpasses the 30 level indicates a bullish sign, when it slides below 70 level, it’s a bearish sign. This level can be adjusted depending on the security’s pattern and the market’s underlying trend. In an uptrend or bullish market, the RSI might range within a higher interval, investors could set the support level higher. If a downtrend or bearish market occurs, investors may need to lower the resistance level.

RSI can also be used in trading techniques to indicate the trading signal, such as Divergences and Swing Rejections. A shorter period RSI is more reactive to recent price changes, so it can show early signs of reversals. 9-Day RSI is sometimes used together with 14-Day RSI in a two period divergence strategy.


Phoenix Silicon International 9-Day RSI Related Terms


TPE:8028 vs AMAT, LRCX, KLAC: 9-Day RSI Comparison

For the Semiconductor Equipment & Materials subindustry, Phoenix Silicon International's 9-Day RSI, along with its competitors' market caps and 9-Day RSI 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.


Phoenix Silicon International 9-Day RSI vs Semiconductors Industry

For the Semiconductors industry and Technology sector, Phoenix Silicon International's 9-Day RSI distribution charts can be found below:

* The bar in red indicates where Phoenix Silicon International's 9-Day RSI falls into.


TPE:8028
79GF Score
Phoenix Silicon International Corp TPE:8028
9-Day RSI is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Phoenix Silicon International  (TPE:8028) 9-Day RSI Calculation

The formula for calculating RSI is:

RSI=100[ 100 / ( 1 + Average Gain / Average Loss )]

* Note that the formula uses a positive value for the average loss.

* 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.

Frequently Asked Questions Learn more about 9-Day RSI →
What does a 9-Day RSI of 66.57 mean?
Phoenix Silicon International (TPE:8028) has a 9-Day RSI of 66.57 as of Jul. 17, 2026. According to the industry distribution chart, Phoenix Silicon International ranks #997 out of 1032 companies in the Semiconductors industry, placing it in the top 96.6%.
Is Phoenix Silicon International's 9-Day RSI too high?
Phoenix Silicon International's current 9-Day RSI is 66.57. The Semiconductors industry median 9-Day RSI is 39.43. Phoenix Silicon International's value of 66.57 is 68.8% above this industry median. Based on the distribution chart, Phoenix Silicon International ranks #997 out of 1032 companies in the Semiconductors industry, which is in the bottom quartile relative to peers. Overall, Phoenix Silicon International has a GF Score™ of 79/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Phoenix Silicon International's 9-Day RSI compare to AMAT and LRCX?
According to the Semiconductors industry distribution chart, Phoenix Silicon International ranks #997 out of 1032 companies for 9-Day RSI. This places Phoenix Silicon International in the lower half of its industry. The industry median 9-Day RSI is 39.43. Phoenix Silicon International's value of 66.57 is 68.8% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 9-Day RSI for a Semiconductors company?
The median 9-Day RSI among Semiconductors companies is 39.43, based on 1,032 companies in the industry. Companies in the top quartile (top 25%) have a 9-Day RSI significantly above this median, while those in the bottom quartile fall well below. However, 9-Day RSI should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Phoenix Silicon International's current 9-Day RSI of 66.57 is 68.8% 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 9-Day RSI mean?
A high 9-Day RSI can signal that a stock is expensive relative to its fundamentals. For the Semiconductors industry, the median 9-Day RSI is 39.43 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Phoenix Silicon International's current 9-Day RSI is 66.57. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Phoenix Silicon International stock overvalued right now?
Based on GuruFocus' analysis, Phoenix Silicon International (TPE:8028) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$165.43, compared to a current price of NT$350.00 — trading 111.6% above its estimated fair value. The current 9-Day RSI is 66.57 and 68.8% above the Semiconductors industry median of 39.43. Phoenix Silicon International's overall GF Score™ is 79/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 9-Day RSI calculated?
9-Day RSI is calculated from a company's financial statements. For Phoenix Silicon International (TPE:8028), the current 9-Day RSI is 66.57 as of Jul. 17, 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 Phoenix Silicon International (TPE:8028) Overvalued in 2026?

Based on GuruFocus' analysis, Phoenix Silicon International stock appears to be overvalued. The current stock price of NT$350.00 is trading 111.6% above its estimated GF Value™ of NT$165.43. GuruFocus considers Phoenix Silicon International to be Significantly Overvalued.

Key valuation signals for TPE:8028:

  • 9-Day RSI: 66.57
  • GF Value™: NT$165.43 vs. price of NT$350.00 (111.6% above fair value)
  • GF Score™: 79/100 with 2 warning signs
  • Industry Position: 68.8% above the Semiconductors median (#997 of 1032)

No single metric tells the full story. See the TPE:8028 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Phoenix Silicon International Business Description

Address No. 6, Lixing Road, Hsinchu Science Park, Hsinchu, TWN, 300094
Phoenix Silicon International Corp is engaged in research, development, manufacturing, and sale of regenerative wafers, test wafers, product wafers, and the import and export trade related to the Company's business. The company generates almost all of its revenue from Taiwan.
79GF Score

Get the complete analysis for TPE:8028

9-Day RSI is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$350.00
Price
NT$165.43
GF Value