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Archive
- 8/22/2025 -
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Align Technology Inc. (ALGN) Technical Analysis
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| Summary:
| | Weekly : | | Daily :
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| | It was a third consecutive positive week for the Align Technology Inc. (ALGN). During the week, the ALGN gained 7.14 points, or 5.01%, and closed at 149.57 on Friday, August 22, 2025. Weekly volume was 45% above average.
 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 184.23 and resistance is at 89.55. 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 price is now at the 27.13% 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 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 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. The chart has formed a Rising Wedge chart pattern.
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 MACD line has moved above its signal line. Such crossover is considered a bullish signal.
The distance between the Bollinger Bands is 220.74% higher then one year average. It indicates the period of high 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.
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