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- 8/29/2025 -
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Align Technology Inc. (ALGN) Technical Analysis

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Summary:
Weekly :Oversold industryWilliams' Percentage Range is oversold
Daily :The price is below the lower Bollinger BandPrice is near the Fibonacci 38.2% retracement levelThe period of low volatility of the stock price
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It was the negative week for the Align Technology Inc. (ALGN). During the week, the ALGN dropped -7.61 points, or -5.09%, and closed at 141.96 on Friday, August 29, 2025. ALGN was trading at average weekly trading volume.

ALGN is a member of Health Care Supplies Industry. Health Care Supplies is the tenth 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 ALGN long-term trend chart]
A long-term downtrend had started on September 23, 2021 at 737.45 and reached 127.70 on July 31, 2025. ALGN lost 609.75 points, or 82.68%, in 201 weeks. The chart has formed a Descending Triangle chart pattern. The trend support level is at 184.31 and resistance is at 86.27. A Descending Triangle is a variation of triangle formation that has a flat support line and falling resistance line. The lower highs indicate the decreasing demand and give the descending triangle definitive bearish bias. A Descending Triangle usually represents a distribution stage in bearish market. A Descending Triangle is considered to be a continuation pattern, especially in a down trend, but it may also mark a reversal in an uptrend. Use the following link to access a Descending Triangle chart pattern help, or use a Technical Stock Screener to see the list of stocks with Descending Triangle pattern in a long-term trend.

Medium-term trend: [See ALGN medium-term trend chart]
A medium-term downtrend had started on July 29, 2025 at 208.31 and reached 127.70 on July 31, 2025. ALGN lost 80.61 points, or 38.70%, in 0 weeks. The chart has formed a Rising Channel chart pattern. The trend support level is at 139.22 and resistance is at 150.04. A Rising Channel represents price movement contained between parallel lower (support) and upper (resistance) trend lines. Trading Channeling stocks is one of the most reliable and accurate trading techniques that provide traders with precise entry and exit points as well as stop-losses and take-profit recommendations. Use the following link to access a Rising Channel chart pattern help, or use a Technical Stock Screener to see the list of stocks with Rising Channel pattern in a medium-term trend.

Weekly Technical Indicators: [See ALGN weekly technical indicators chart]
Weekly Williams' Percentage Range is oversold. Use the Technical Stock Screener to see the list of stocks with weekly oversold 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 link to access 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. The distance between MACD and the signal line is relatively high and getting bigger. It indicates that the current medium-term downtrend is strong. Use the following link to access a MACD help.

Short-term trend: [See ALGN short-term trend chart]
A short-term uptrend had started on July 31, 2025 at 127.70 and reached 150.22 on August 22, 2025. ALGN gained -22.52 points, or -17.64%, in 22 days. Price is near the Fibonacci 38.2% retracement level. The Fibonacci retracement level is considered a support/resistance level.

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

The daily MACD line is above its signal line since August 18, 2025. This is an indication that the short-term trend is up. The distance between MACD and the signal line is low, but getting bigger. It indicates that the current short-term uptrend is getting stronger.

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 9.21% on Friday. It is 55.20% 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) 59.02
Williams' Percentage Range (W%R) 56.20
Lane's Stochastic (%D-Slow) 26.07
Greed/Fear Indicator (GFI) 42.97
Moving Average Converg./Diverg. (MACD) -9.54
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 40.62
Williams' Percentage Range (W%R) 83.10
Oversold
Lane's Stochastic (%D-Slow) 25.55
Greed/Fear Indicator (GFI) 28.24
Moving Average Converg./Diverg. (MACD) -8.89
Trading Signals
Description Value Chart
50 Day Moving Average 171.31
Parabolic System 162.71
Upper Bollinger Band 155.48
Weekly Trendline Resistance 150.04
Lower Bollinger Band 142.40
Price 141.96
20 Day Moving Average 141.68
Weekly Stochastic Crossing 141.68
Daily Stochastic Crossing 141.37
Weekly Trendline Support 139.22
Sector and Industry
Description Name Rank
Sector Health Care 4
Industry Health Care Supplies 10
Daily Trend
Description Value
Direction Up
Chart Pattern Uptrend
Low 127.70
Low Date 07/31/2025
High 150.22
High Date 08/22/2025
Weekly Trend
Monthly Trend
Description Value
Direction Down
Chart Pattern Rising Channel
Status Valid
Resistance 150.04
Support 139.22
High 208.31
High Date 07/29/2025
Low 127.70
Low Date 07/31/2025
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 335.40
High Date 03/21/2024
Low 127.70
Low Date 07/31/2025
Quarterly Trend
Yearly Trend
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 413.20
High Date 07/27/2023
Low 127.70
Low Date 07/31/2025
Description Value
Direction Down
Chart Pattern Descending Triangle
Status Valid
Resistance 86.27
Support 184.31
High 737.45
High Date 09/23/2021
Low 127.70
Low Date 07/31/2025
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.