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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.
The industry rank for Ruentex Materials Co's 9-Day RSI or its related term are showing as below:
TPE:8463's 9-Day RSI is ranked worse than 75.06% of 445
companies
in the Building Materials industry
Industry Median: 47.67
vs TPE:8463: 57.46
Ruentex Materials Co (TPE:8463) 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.
Ruentex Materials Co 9-Day RSI Related Terms
TPE:8463 vs CRH, VMC, MLM: 9-Day RSI Comparison
For the Building Materials subindustry, Ruentex Materials Co'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.
Ruentex Materials Co 9-Day RSI vs Building Materials Industry
For the Building Materials industry and Basic Materials sector, Ruentex Materials Co's 9-Day RSI distribution charts can be found below:
* The bar in red indicates where Ruentex Materials Co's 9-Day RSI falls into.
Ruentex Materials Co (TPE:8463) 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.
Ruentex Materials Co (TPE:8463) has a 9-Day RSI of 57.46 as of Jul. 16, 2026. According to the industry distribution chart, Ruentex Materials Co ranks #334 out of 445 companies in the Building Materials industry, placing it in the top 75.1%.
Is Ruentex Materials Co's 9-Day RSI too high?
Ruentex Materials Co's current 9-Day RSI is 57.46. The Building Materials industry median 9-Day RSI is 47.67. Ruentex Materials Co's value of 57.46 is 20.5% above this industry median. Based on the distribution chart, Ruentex Materials Co ranks #334 out of 445 companies in the Building Materials industry, which is in the bottom quartile relative to peers. Overall, Ruentex Materials Co has a GF Score™ of 80/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Ruentex Materials Co's 9-Day RSI compare to CRH and VMC?
According to the Building Materials industry distribution chart, Ruentex Materials Co ranks #334 out of 445 companies for 9-Day RSI. This places Ruentex Materials Co in the lower half of its industry. The industry median 9-Day RSI is 47.67. Ruentex Materials Co's value of 57.46 is 20.5% 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 Building Materials company?
The median 9-Day RSI among Building Materials companies is 47.67, based on 445 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. Ruentex Materials Co's current 9-Day RSI of 57.46 is 20.5% 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 Building Materials industry, the median 9-Day RSI is 47.67 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Ruentex Materials Co's current 9-Day RSI is 57.46. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ruentex Materials Co stock overvalued right now?
Based on GuruFocus' analysis, Ruentex Materials Co (TPE:8463) is currently considered Possible Value Trap. The stock's GF Value™ is NT$35.85, compared to a current price of NT$21.70 — trading 39.5% below its estimated fair value. The current 9-Day RSI is 57.46 and 20.5% above the Building Materials industry median of 47.67. Ruentex Materials Co's overall GF Score™ is 80/100 with 5 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 Ruentex Materials Co (TPE:8463), the current 9-Day RSI is 57.46 as of Jul. 16, 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 Ruentex Materials Co (TPE:8463) Overvalued in 2026?
Based on GuruFocus' analysis, Ruentex Materials Co stock appears to be undervalued.
The current stock price of NT$21.70 is trading 39.5% below its estimated GF Value™ of NT$35.85.
GuruFocus considers Ruentex Materials Co to be Possible Value Trap.
Key valuation signals for TPE:8463:
9-Day RSI: 57.46
GF Value™: NT$35.85 vs. price of NT$21.70 (39.5% below fair value)
Industry Position: 20.5% above the Building Materials median (#334 of 445)
No single metric tells the full story. See the TPE:8463 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Ruentex Materials Co Ltd is engaged in the manufacturing and sale of semi-finished cement products. The company is also engaged in mining, manufacturing, and distribution of cement raw materials and mining and distribution of mineral ore, quarrying, building materials development, manufacture, and distribution, manufacture, and sale of clay used for wall primer, powder coating material, tile adhesive, self-leveling cement, and dry-mixed cement mortar applications The product portfolio of the company includes Portland blast furnace cement, Portland cement, Hearthstone powder. The company's revenue is mainly from three lines of business such as Cement business, Construction materials business, and Engineering and construction business.
80GF Score
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