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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.
The industry rank for Telefonica Brasil's 14-Day RSI or its related term are showing as below:
BUE:VIV's 14-Day RSI is ranked better than 84.79% of 388
companies
in the Telecommunication Services industry
Industry Median: 49.24
vs BUE:VIV: 40.93
Telefonica Brasil (BUE:VIV) 14-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.
Telefonica Brasil 14-Day RSI Related Terms
BUE:VIV vs VZ, TMUS, T: 14-Day RSI Comparison
For the Telecom Services subindustry, Telefonica Brasil'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.
Telefonica Brasil 14-Day RSI vs Telecommunication Services Industry
For the Telecommunication Services industry and Communication Services sector, Telefonica Brasil's 14-Day RSI distribution charts can be found below:
* The bar in red indicates where Telefonica Brasil's 14-Day RSI falls into.
Telefonica Brasil (BUE:VIV) 14-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.
Telefonica Brasil (BUE:VIV) has a 14-Day RSI of 40.93 as of Jul. 30, 2026. Relative Strength Index (RSI) is a momentum oscillator that measures the speed and change of price movements. View historical data on Telefonica Brasil and its competitors. According to the industry distribution chart, Telefonica Brasil ranks #59 out of 388 companies in the Telecommunication Services industry, placing it in the top 15.2%.
Is Telefonica Brasil's 14-Day RSI too high?
Telefonica Brasil's current 14-Day RSI is 40.93. The Telecommunication Services industry median 14-Day RSI is 49.24. Telefonica Brasil's value of 40.93 is 16.9% below this industry median. Based on the distribution chart, Telefonica Brasil ranks #59 out of 388 companies in the Telecommunication Services industry, which is in the top quartile — a strong position relative to peers. Overall, Telefonica Brasil has a GF Score™ of 71/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Telefonica Brasil's 14-Day RSI compare to VZ and TMUS?
According to the Telecommunication Services industry distribution chart, Telefonica Brasil ranks #59 out of 388 companies for 14-Day RSI. This places Telefonica Brasil in the top 15% of its industry — outperforming the majority of peers. The industry median 14-Day RSI is 49.24. Telefonica Brasil's value of 40.93 is 16.9% 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 Telecommunication Services company?
The median 14-Day RSI among Telecommunication Services companies is 49.24, based on 388 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. Telefonica Brasil's current 14-Day RSI of 40.93 is 16.9% 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 Telefonica Brasil and its competitors. For the Telecommunication Services industry, the median 14-Day RSI is 49.24 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Telefonica Brasil's current 14-Day RSI is 40.93. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Telefonica Brasil stock overvalued right now?
Based on GuruFocus' analysis, Telefonica Brasil (BUE:VIV) is currently considered Fairly Valued. The stock's GF Value™ is ARS20,066.58, compared to a current price of ARS20,310.00 — trading 1.2% above its estimated fair value. The current 14-Day RSI is 40.93 and 16.9% below the Telecommunication Services industry median of 49.24. Telefonica Brasil's overall GF Score™ is 71/100 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 Telefonica Brasil (BUE:VIV), the current 14-Day RSI is 40.93 as of Jul. 30, 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 Telefonica Brasil (BUE:VIV) Overvalued in 2026?
Based on GuruFocus' analysis, Telefonica Brasil stock appears to be overvalued.
The current stock price of ARS20,310.00 is trading 1.2% above its estimated GF Value™ of ARS20,066.58.
GuruFocus considers Telefonica Brasil to be Fairly Valued.
Key valuation signals for BUE:VIV:
14-Day RSI: 40.93
GF Value™: ARS20,066.58 vs. price of ARS20,310.00 (1.2% above fair value)
Industry Position: 16.9% below the Telecommunication Services median (#59 of 388)
No single metric tells the full story. See the BUE:VIV stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Telefonica Brasil, known as Vivo, is the largest wireless carrier in Brazil with 103 million customers, which is equal to about 38% market share. The firm is strongest in the postpaid business, where it has 72 million customers, or about 40% share of this market. Wireless services and equipment contribute about 70% of total revenue. Vivo is the incumbent fixed-line telephone operator in Sao Paulo state and also owns an extensive fiber network across the country. The firm provides internet access to 8 million households on this network. The firm also sells pay-TV and phone services to its fixed-line customers. Finally, corporate data and IT services, including cloud computing support, contribute about 10% of total revenue.
71GF Score
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14-Day RSI is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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