The Greedy Trader Weekly Analysis
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- 9/4/2026 -
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Comcast Corp. (CMCSA) Technical Analysis

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Summary:
Weekly :Overbought sectorLane's Stochastic is overbought
Daily :Stochastic has declined below the signal lineDaily  MACD line has moved below its signal line
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It was the negative week for the Comcast Corp. (CMCSA). During the week, the CMCSA dropped -0.57 points, or -2.11%, and closed at 26.49 on Friday, September 4, 2026. It was the worst weekly loss since July 24, 2026. Weekly volume was -38% below average.

CMCSA is a member of Communication Services Sector. Communication Services is the most overbought sector. 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 October 31, 2024 at 45.31 and reached 21.28 on July 24, 2026. CMCSA lost 24.03 points, or 53.03%, in 90 weeks. The chart has formed a Broadening Descending Wedge chart pattern. The trend support level is at 18.10 and resistance is at 29.80. 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 long-term trend.

Medium-term trend: [See CMCSA medium-term trend chart]
A medium-term downtrend had started on February 12, 2026 at 32.86 and reached 21.28 on July 24, 2026. CMCSA lost 11.58 points, or 35.24%, in 23 weeks. The price is now at the 44.99% retracement level.

Weekly Technical Indicators: [See CMCSA weekly technical indicators chart]
Weekly Lane's Stochastic is overbought. Use the Technical Stock Screener to see the list of stocks with overbought weekly Lane's Stochastic. 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 weekly MACD line is above its signal line since July 31, 2026. The distance between MACD and the signal line is relatively high and getting bigger. 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 July 24, 2026 at 21.28 and reached 27.35 on August 25, 2026. CMCSA gained -6.07 points, or -28.52%, in 32 days. The chart has formed a Rising Channel chart pattern.

Daily Technical Indicators: [See CMCSA daily technical indicators chart]
Daily technical indicators are neutral. During the last week, daily Lane's Stochastic main line (%K) has declined below the overbought signal line (%D). Such crossover is considered a bearish signal.

During the last week, daily MACD line has moved below its signal line. Such crossover is considered a bearish signal.

Daily Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 59.20
Williams' Percentage Range (W%R) 28.30
Lane's Stochastic (%D-Slow) 29.95
Greed/Fear Indicator (GFI) 53.60
Moving Average Converg./Diverg. (MACD) 0.63
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 56.52
Williams' Percentage Range (W%R) 50.60
Lane's Stochastic (%D-Slow) 81.54
Overbought
Greed/Fear Indicator (GFI) 62.06
Moving Average Converg./Diverg. (MACD) -1.26
Trading Signals
Description Value Chart
Monthly Trendline Resistance 29.80
Upper Bollinger Band 27.31
Parabolic System 27.09
Daily Stochastic Crossing 26.54
Weekly Stochastic Crossing 26.51
Price 26.49
20 Day Moving Average 26.40
Lower Bollinger Band 25.08
50 Day Moving Average 24.84
Sector and Industry
Description Name Rank
Sector Communication Services 9
Industry Cable & Satellite 63
Daily Trend
Description Value
Direction Up
Chart Pattern Rising Channel
Low 21.28
Low Date 07/24/2026
High 27.35
High Date 08/25/2026
Weekly Trend
Monthly Trend
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 32.86
High Date 02/12/2026
Low 21.28
Low Date 07/24/2026
Description Value
Direction Down
Chart Pattern Broadening Descending Wedge
Status Valid
Resistance 29.80
Support 18.10
High 45.31
High Date 10/31/2024
Low 21.28
Low Date 07/24/2026
Quarterly Trend
Yearly Trend
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 47.46
High Date 08/16/2023
Low 21.28
Low Date 07/24/2026
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 61.80
High Date 09/02/2021
Low 21.28
Low Date 07/24/2026
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.