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Archive
- 9/4/2026 -
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Align Technology Inc. (ALGN) Technical Analysis
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| Summary:
| | Weekly :  | | Daily :
Move cursor over the icon to see details.
| | It was a first positive week for the Align Technology Inc. (ALGN). During the week, the ALGN climbed 1.05 points, or 0.67%, and closed at 158.63 on Friday, September 4, 2026. Weekly volume was -28% below average.
ALGN is a member of Health Care Sector. Health Care 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 ALGN long-term trend chart]
A long-term uptrend had started on September 25, 2025 at 122.00 and reached 200.44 on April 21, 2026. ALGN gained -78.44 points, or -64.30%, in 29 weeks. The price is now at the 53.30% retracement level.
 Medium-term trend: [See ALGN medium-term trend chart]
A medium-term downtrend had started on April 21, 2026 at 200.44 and reached 151.58 on May 20, 2026. ALGN lost 48.86 points, or 24.38%, in 4 weeks. The price is now at the 14.43% retracement level.
 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 July 17, 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 downtrend had started on August 14, 2026 at 182.20 and reached 153.98 on September 1, 2026. ALGN lost 28.22 points, or 15.49%, in 18 days. The price is now at the 16.48% retracement level.
Daily Technical Indicators: [See ALGN daily technical indicators chart]
Daily Williams' Percentage Range is oversold. Use the Technical Stock Screener to see the list of stocks with daily oversold Williams' Percentage Range. During the last week, daily Lane's Stochastic main line (%K) has rallied above the oversold signal line (%D). Such crossover is considered a bullish signal. Use the following link to access Lane's Stochastic help.
The daily MACD line is below its signal line since August 17, 2026. This is an indication that the short-term trend is down. The distance between MACD and the signal line is low and getting smaller. It indicates that the current short-term downtrend is getting weak.
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| Daily Oscillators |
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| Weekly Oscillators |
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| Trading
Signals |
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| Sector and
Industry |
| Description |
Name |
Rank |
| Sector |
Health Care |
11 |
| Industry |
Health Care Supplies |
34 |
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| Daily Trend |
| Description |
Value |
| Direction |
Down |
| Chart Pattern |
DownTrend |
| High |
182.20 |
| High Date |
08/14/2026 |
| Low |
153.98 |
| Low Date |
09/01/2026 |
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| Weekly Trend |
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| Description |
Value |
| Direction |
Down |
| Chart Pattern |
DownTrend |
| Status |
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| Resistance |
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| Support |
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| High |
190.97 |
| High Date |
07/07/2026 |
| Low |
153.98 |
| Low Date |
09/01/2026 |
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| Description |
Value |
| Direction |
Down |
| Chart Pattern |
DownTrend |
| Status |
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| Resistance |
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| Support |
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| High |
200.44 |
| High Date |
04/21/2026 |
| Low |
151.58 |
| Low Date |
05/20/2026 |
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| Quarterly Trend |
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| Description |
Value |
| Direction |
Up |
| Chart Pattern |
Uptrend |
| Status |
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| Resistance |
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| Support |
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| Low |
122.00 |
| Low Date |
09/25/2025 |
| High |
200.44 |
| High Date |
04/21/2026 |
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| Description |
Value |
| Direction |
Down |
| Chart Pattern |
DownTrend |
| Status |
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| Resistance |
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| Support |
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| High |
737.45 |
| High Date |
09/23/2021 |
| Low |
122.00 |
| Low Date |
09/25/2025 |
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