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- 8/22/2025 -
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Comcast Corp. (CMCSA) Technical Analysis

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Summary:
Weekly :Overbought sectorOversold industry
Daily :Lane's Stochastic is overboughtLane's Stochastic bearish divergencePrice is close to the 50 Day Moving Average
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It was a second positive week after 5 consecutive negative weeks for the Comcast Corp. (CMCSA). During the week, the CMCSA gained 0.70 points, or 2.09%, and closed at 34.15 on Friday, August 22, 2025. CMCSA was trading at average weekly trading volume.

CMCSA is a member of Communication Services Sector. Communication Services is the most overbought sector. CMCSA is a member of Cable & Satellite Industry. Cable & Satellite is the fourth most oversold industry. Sector/industry rotation is considered a proven strategy to beat the market. Use the following links to find overbought/oversold technical indicators by Sector or by Industry.

Long-term trend: [See CMCSA long-term trend chart]
A long-term downtrend had started on August 16, 2023 at 47.46 and reached 31.03 on August 11, 2025. CMCSA lost 16.43 points, or 34.62%, in 103 weeks. The price is now at the 18.99% retracement level.

Medium-term trend: [See CMCSA medium-term trend chart]
A medium-term downtrend had started on July 1, 2025 at 36.66 and reached 31.03 on August 11, 2025. CMCSA lost 5.63 points, or 15.36%, in 5 weeks. The chart has formed a Broadening Descending Wedge chart pattern. The trend support level is at 29.41 and resistance is at 35.17. A Broadening Descending Wedge pattern is considered to be a reversal formation. It usually appears in a mature trend, characterized by overbought/oversold long-term and short-term indicators, and often generates divergence on long-term indicators. Use the following link to access a Broadening Descending Wedge chart pattern help, or use a Technical Stock Screener to see the list of stocks with Broadening Descending Wedge pattern in a medium-term trend.

Weekly Technical Indicators: [See CMCSA weekly technical indicators chart]
Weekly technical indicators are neutral.

The weekly MACD line is below its signal line since August 1, 2025. This is an indication that the medium-term trend is down. The distance between MACD and the signal line is low and getting smaller. It indicates that the current medium-term downtrend is getting weak. Use the following link to access a MACD help.

Short-term trend: [See CMCSA short-term trend chart]
A short-term uptrend had started on August 11, 2025 at 31.03 and reached 34.40 on August 22, 2025. CMCSA gained -3.37 points, or -10.86%, in 11 days. The price is now at the 7.42% retracement level.

Daily Technical Indicators: [See CMCSA daily technical indicators chart]
Daily Lane's Stochastic is overbought. Use the Technical Stock Screener to see the list of stocks with overbought daily Lane's Stochastic. Daily Lane's Stochastic has bearish divergence. Use the following links to access the Lane's Stochastic help, or use the Technical Stock Screener to see the list of stocks with daily Lane's Stochastic bearish divergence. The divergence between price and indicator is considering one of the most important buy/sell stocks trading signal. Oscillators are designed to signal a possible trend reversal. They can act as alerts and should be taken in conjunction with other technical analysis tools. Oscillators can be used to confirm other technical signals. Use the following link to access Lane's Stochastic help.

The daily MACD line is above its signal line since August 13, 2025. This is an indication that the short-term trend is up.

Price is close to the 50 Day Moving Average. While daily technical indicators are overbought, the 50 Day Moving Average is considered a resistance level. The moving average crossover signals work better when the stock develops a strong trend, but they are ineffective when the stock is in a trading range. Moving average crossover systems can be effective, but should be used in conjunction with trend patterns, momentum indicators, candlesticks and other aspects of technical analysis. Use the following links to access Moving Average Crossover trading technique, or use the Technical Stock Screener to see the list of stocks with the Moving Average close to the price level.

Daily Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 65.26
Williams' Percentage Range (W%R) 20.50
Lane's Stochastic (%D-Slow) 88.61
Overbought Bearish
Greed/Fear Indicator (GFI) 77.80
Moving Average Converg./Diverg. (MACD) -0.40
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 43.47
Williams' Percentage Range (W%R) 56.10
Lane's Stochastic (%D-Slow) 26.08
Greed/Fear Indicator (GFI) 39.65
Moving Average Converg./Diverg. (MACD) -0.93
Trading Signals
Description Value Chart
Weekly Trendline Resistance 35.17
Upper Bollinger Band 34.83
50 Day Moving Average 34.21
Price 34.15
Daily Stochastic Crossing 34.11
20 Day Moving Average 32.82
Parabolic System 32.68
Weekly Stochastic Crossing 32.22
Lower Bollinger Band 31.85
Weekly Trendline Support 29.41
Sector and Industry
Description Name Rank
Sector Communication Services 9
Industry Cable & Satellite 4
Daily Trend
Description Value
Direction Up
Chart Pattern Uptrend
Low 31.03
Low Date 08/11/2025
High 34.40
High Date 08/22/2025
Weekly Trend
Monthly Trend
Description Value
Direction Down
Chart Pattern Broadening Descending Wedge
Status Valid
Resistance 35.17
Support 29.41
High 36.66
High Date 07/01/2025
Low 31.03
Low Date 08/11/2025
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 45.31
High Date 10/31/2024
Low 31.03
Low Date 08/11/2025
Quarterly Trend
Yearly Trend
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 47.46
High Date 08/16/2023
Low 31.03
Low Date 08/11/2025
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 61.80
High Date 09/02/2021
Low 28.39
Low Date 10/13/2022
Warning: TheGreedyTrader.com presents weekly analysis. Technical indicators and trend parameters are calculated for the close of business day indicated on the top right corner of the screen.