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- 5/29/2026 -
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Align Technology Inc. (ALGN) Technical Analysis

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Summary:
Weekly :Oversold sectorOversold industryBroken trend resistance line
Daily :Lane's Stochastic is overboughtPrice has crossed above the 50 Day Moving AverageDaily  MACD line has moved above its signal lineThe price moved above the moving average in the center of the Bollinger Bands
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It was a second positive week after 4 consecutive negative weeks for the Align Technology Inc. (ALGN). During the week, the ALGN gained 11.34 points, or 6.93%, and closed at 174.95 on Friday, May 29, 2026. ALGN was trading at average weekly trading volume.

ALGN is a member of Health Care Sector. Health Care is the most oversold sector. 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 122.00 on September 25, 2025. ALGN lost 615.45 points, or 83.46%, in 209 weeks. The chart has formed a Falling Wedge chart pattern. A Falling Wedge is a triangle formation with a noticeable slant to the downside. It represents the loss of a downside momentum on each successive low and has a bullish bias. The Falling wedge usually marks a reversal in a downtrend. In an uptrend a falling wedge is considered to be a continuation pattern. Use the following link to access a Falling Wedge chart pattern help, or use a Technical Stock Screener to see the list of stocks with Falling Wedge pattern in a long-term trend.

Medium-term trend: [See ALGN medium-term trend chart]
A medium-term downtrend had started on July 27, 2023 at 413.20 and reached 122.00 on September 25, 2025. ALGN lost 291.20 points, or 70.47%, in 113 weeks. The chart has formed a Falling Wedge chart pattern. The downtrend resistance line (102.75) is broken. Usually a broken resistance is considered to be a long-term bullish signal, but since daily indicators are overbought a short-term pull back is possible. ALGN may retest the broken resistance line. It is considered to be a support line now. 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 resistance line in a medium-term trend.

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

The weekly MACD line is below its signal line since May 1, 2026. This is an indication that the medium-term trend is down. 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 May 20, 2026 at 151.58 and reached 177.66 on May 29, 2026. ALGN gained -26.08 points, or -17.21%, in 9 days. The price is now at the 10.39% retracement level.

Daily Technical Indicators: [See ALGN 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. 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.

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

During the last week, the price has moved above the moving average in the center of the Bollinger Bands. 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.

During the last week, the price has advanced above the 50 Day Moving Average. While the medium-term trend is down and 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) 57.53
Williams' Percentage Range (W%R) 20.10
Lane's Stochastic (%D-Slow) 83.21
Overbought
Greed/Fear Indicator (GFI) 73.55
Moving Average Converg./Diverg. (MACD) -3.89
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 43.50
Williams' Percentage Range (W%R) 54.50
Lane's Stochastic (%D-Slow) 25.52
Greed/Fear Indicator (GFI) 39.78
Moving Average Converg./Diverg. (MACD) 4.28
Trading Signals
Description Value Chart
Monthly Trendline Resistance 201.24
Monthly Trendline Support 180.66
Upper Bollinger Band 180.30
Price 174.95
50 Day Moving Average 174.07
Daily Stochastic Crossing 173.83
20 Day Moving Average 165.96
Weekly Stochastic Crossing 161.10
Parabolic System 159.77
Lower Bollinger Band 155.79
Sector and Industry
Description Name Rank
Sector Health Care 1
Industry Health Care Supplies 10
Daily Trend
Description Value
Direction Up
Chart Pattern Uptrend
Low 151.58
Low Date 05/20/2026
High 177.66
High Date 05/29/2026
Weekly Trend
Monthly Trend
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 200.44
High Date 04/21/2026
Low 151.58
Low Date 05/20/2026
Description Value
Direction Up
Chart Pattern Ascending Triangle
Status Broken Support
Resistance 201.24
Support 180.66
Low 122.00
Low Date 09/25/2025
High 200.44
High Date 04/21/2026
Quarterly Trend
Yearly Trend
Description Value
Direction Down
Chart Pattern Falling Wedge
Status Broken Resistance
Resistance 75.43
Support 102.75
High 413.20
High Date 07/27/2023
Low 122.00
Low Date 09/25/2025
Description Value
Direction Down
Chart Pattern Falling Wedge
Status
Resistance
Support
High 737.45
High Date 09/23/2021
Low 122.00
Low Date 09/25/2025
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.