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.
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.
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.
G-Tech Optoelectronics 14-Day RSI Related Terms
TPE:3149 vs APH, GLW: 14-Day RSI Comparison
For the Electronic Components subindustry, G-Tech Optoelectronics's 14-Day RSI, along with its competitors' market caps and 14-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.
G-Tech Optoelectronics 14-Day RSI vs Hardware Industry
For the Hardware industry and Technology sector, G-Tech Optoelectronics's 14-Day RSI distribution charts can be found below:
* The bar in red indicates where G-Tech Optoelectronics's 14-Day RSI falls into.
* 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.
G-Tech Optoelectronics (TPE:3149) has a 14-Day RSI of 38.51 as of Jul. 26, 2026. Relative Strength Index (RSI) is a momentum oscillator that measures the speed and change of price movements. View historical data on G-Tech Optoelectronics and its competitors. According to the industry distribution chart, G-Tech Optoelectronics ranks #970 out of 2525 companies in the Hardware industry, placing it in the top 38.4%.
Is G-Tech Optoelectronics' 14-Day RSI too high?
G-Tech Optoelectronics' current 14-Day RSI is 38.51. The Hardware industry median 14-Day RSI is 41.62. G-Tech Optoelectronics' value of 38.51 is 7.5% below this industry median. Based on the distribution chart, G-Tech Optoelectronics ranks #970 out of 2525 companies in the Hardware industry, which is above the industry midpoint. Overall, G-Tech Optoelectronics has a GF Score™ of 51/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does G-Tech Optoelectronics' 14-Day RSI compare to APH and GLW?
According to the Hardware industry distribution chart, G-Tech Optoelectronics ranks #970 out of 2525 companies for 14-Day RSI. This puts G-Tech Optoelectronics in the upper half of its industry. The industry median 14-Day RSI is 41.62. G-Tech Optoelectronics' value of 38.51 is 7.5% below this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 14-Day RSI for a Hardware company?
The median 14-Day RSI among Hardware companies is 41.62, based on 2,525 companies in the industry. Companies in the top quartile (top 25%) have a 14-Day RSI significantly above this median, while those in the bottom quartile fall well below. However, 14-Day RSI should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. G-Tech Optoelectronics's current 14-Day RSI of 38.51 is 7.5% 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 14-Day RSI mean?
A high 14-Day RSI can signal that a stock is expensive relative to its fundamentals. Relative Strength Index (RSI) is a momentum oscillator that measures the speed and change of price movements. View historical data on G-Tech Optoelectronics and its competitors. For the Hardware industry, the median 14-Day RSI is 41.62 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. G-Tech Optoelectronics's current 14-Day RSI is 38.51. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is G-Tech Optoelectronics stock overvalued right now?
Based on GuruFocus' analysis, G-Tech Optoelectronics (TPE:3149) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$20.56, compared to a current price of NT$69.60 — trading 238.5% above its estimated fair value. The current 14-Day RSI is 38.51 and 7.5% below the Hardware industry median of 41.62. G-Tech Optoelectronics' overall GF Score™ is 51/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 14-Day RSI calculated?
14-Day RSI is calculated from a company's financial statements. For G-Tech Optoelectronics (TPE:3149), the current 14-Day RSI is 38.51 as of Jul. 26, 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 G-Tech Optoelectronics (TPE:3149) Overvalued in 2026?
Based on GuruFocus' analysis, G-Tech Optoelectronics stock appears to be overvalued.
The current stock price of NT$69.60 is trading 238.5% above its estimated GF Value™ of NT$20.56.
GuruFocus considers G-Tech Optoelectronics to be Significantly Overvalued.
Key valuation signals for TPE:3149:
14-Day RSI: 38.51
GF Value™: NT$20.56 vs. price of NT$69.60 (238.5% above fair value)
Industry Position: 7.5% below the Hardware median (#970 of 2525)
No single metric tells the full story. See the TPE:3149 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
G-Tech Optoelectronics Corp operates in an optoelectronic glass processing market. The company manufactures and markets optical glass products and electronic components. The segments of the company are Smart optoelectronics, that is revenue-generating segment; Smart buildings, and Smart cars. The Smart optoelectronics is in charge of designing, manufacturing, and selling general consumer electronics vehicle glass as well as protective touch control glass for industrial control computers.
51GF Score
Get the complete analysis for TPE:3149
14-Day RSI is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
TPE:3149 has been successfully added to your 
