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- 10/3/2025 -
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American Tower Corp. (AMT) Technical Analysis

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Summary:
Weekly :Broken trend support lineLane's Stochastic oversoldWilliams' Percentage Range is strongly oversold
Daily :The price has fallen below the Parabolic SARThe price is below the lower Bollinger BandThe period of low volatility of the stock price
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It was the negative week for the American Tower Corp. (AMT). During the week, the AMT dropped -4.06 points, or -2.09%, and closed at 190.21 on Friday, October 3, 2025. Weekly volume was 20% above average.

Long-term trend: [See AMT long-term trend chart]
A long-term uptrend had started on January 10, 2025 at 172.50 and reached 234.33 on July 24, 2025. AMT gained -61.83 points, or -35.84%, in 27 weeks. The chart has formed a Ascending Triangle chart pattern. The uptrend support line (247.50) is broken. A broken support is considered to be a long-term bearish signal. Use the following links to access Trend Support/Resistance Help, or use the Technical Stock Screener to see the list of stocks with broken trend support in a long-term trend.

Medium-term trend: [See AMT medium-term trend chart]
A medium-term downtrend had started on July 24, 2025 at 234.33 and reached 188.55 on September 15, 2025. AMT lost 45.78 points, or 19.54%, in 7 weeks. Price is near the trend low.

Weekly Technical Indicators: [See AMT weekly technical indicators chart]
Weekly Lane's Stochastic is oversold while Williams' Percentage Range is strongly oversold. Use the Technical Stock Screener to see the list of stocks with oversold weekly Lane's Stochastic or strongly oversold weekly Williams' Percentage Range. 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 links to access Lane's Stochastic and Williams' Percentage Range help.

The weekly MACD line is below its signal line since August 1, 2025. This is an indication that the medium-term trend is down. Use the following link to access a MACD help.

Short-term trend: [See AMT short-term trend chart]
A short-term downtrend had started on August 22, 2025 at 214.79 and reached 188.55 on September 15, 2025. AMT lost 26.24 points, or 12.22%, in 24 days. The price is now at the 6.33% retracement level.

Daily Technical Indicators: [See AMT daily technical indicators chart]
Daily technical indicators are neutral.

The daily MACD line is above its signal line since September 16, 2025. The distance between MACD and the signal line is low and getting smaller.

During the last week, the price has fallen below the Parabolic SAR (stop and reversal). A Parabolic SAR above the price is a bearish signal, and it indicates that momentum is likely to remain in the downward direction. A Parabolic SAR is used as a trailing stop loss for long or short positions. It works best during strong trending periods. Use the following links to access Parabolic SAR Help, or use the Technical Stock Screener to see the list of stocks with the Parabolic SAR close to the price level.

The price has closed on Friday below the lower Bollinger Band. It is considered a bearish signal. The distance between the Bollinger Bands is falling, and it was 3.3% on Friday. It is 69.67% lower than one year average. It indicates the period of low volatility of the stock price. The Bollinger Bands are often used with a non-oscillator indicator like chart patterns or a trendline. The signals are considered more reliable if these indicators confirm the recommendation of the Bollinger Bands. Use the following links to access the Bollinger Bands Help, or use the Technical Stock Screener to see the list of stocks with the price above the Upper Bollinger Band or below the Lower Bollinger Band.

Daily Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 44.18
Williams' Percentage Range (W%R) 76.80
Lane's Stochastic (%D-Slow) 26.51
Greed/Fear Indicator (GFI) 31.28
Moving Average Converg./Diverg. (MACD) -3.24
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 30.37
Williams' Percentage Range (W%R) 94.60
Strong Oversold
Lane's Stochastic (%D-Slow) 10.97
Oversold
Greed/Fear Indicator (GFI) 18.26
Oversold
Moving Average Converg./Diverg. (MACD) -0.80
Trading Signals
Description Value Chart
50 Day Moving Average 202.09
Parabolic System 199.12
Upper Bollinger Band 198.09
20 Day Moving Average 193.72
Lower Bollinger Band 191.82
Weekly Stochastic Crossing 191.70
Daily Stochastic Crossing 190.93
Price 190.21
Sector and Industry
Description Name Rank
Sector Real Estate 4
Industry Specialized REITs 28
Daily Trend
Description Value
Direction Down
Chart Pattern DownTrend
High 214.79
High Date 08/22/2025
Low 188.55
Low Date 09/15/2025
Weekly Trend
Monthly Trend
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 234.33
High Date 07/24/2025
Low 188.55
Low Date 09/15/2025
Description Value
Direction Up
Chart Pattern Ascending Triangle
Status Broken Support
Resistance 234.68
Support 247.50
Low 172.50
Low Date 01/10/2025
High 234.33
High Date 07/24/2025
Quarterly Trend
Yearly Trend
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 243.56
High Date 09/10/2024
Low 172.50
Low Date 01/10/2025
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 154.58
Low Date 10/06/2023
High 243.56
High Date 09/10/2024
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.