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Health Care Supplies Industry Stocks Technical Analysis - ALGN

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- 1/23/2026 -
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Align Technology Inc. (ALGN) Technical Analysis

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Summary:
Weekly :Williams' Percentage Range and Lane's Stochastic are overboughtBroken trend resistance line
Daily :Stochastic signal line moved below overbought areaDaily  MACD line has moved below its signal lineThe price has fallen below the Parabolic SAR
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It was the negative week for the Align Technology Inc. (ALGN). During the week, the ALGN dropped -2.76 points, or -1.61%, and closed at 168.73 on Friday, January 23, 2026. Weekly volume was -37% below 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 122.00 on September 25, 2025. ALGN lost 615.45 points, or 83.46%, in 209 weeks. The chart has formed a Descending Triangle chart pattern. The trend support level is at 186.05 and resistance is at 20.75. 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 March 21, 2024 at 335.40 and reached 122.00 on September 25, 2025. ALGN lost 213.40 points, or 63.63%, in 79 weeks. The chart has formed a Falling Wedge chart pattern. The downtrend resistance line (108.19) is broken. A broken support is considered to be a long-term bullish 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 resistance line in a medium-term trend.

Weekly Technical Indicators: [See ALGN weekly technical indicators chart]
Weekly Williams' Percentage Range and Lane's Stochastic are overbought. Use the Technical Stock Screener to see the list of stocks with overbought weekly Williams' Percentage Range and 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 links to access Lane's Stochastic and Williams' Percentage Range help.

The weekly MACD line is above its signal line since October 31, 2025. The distance between MACD and the signal line is near its high, but getting smaller. 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 September 25, 2025 at 122.00 and reached 174.67 on January 16, 2026. ALGN gained -52.67 points, or -43.17%, in 113 days. The chart has formed a Rising Channel chart pattern. The trend support level is at 160.26 and resistance is at 177.92. 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 short-term trend.

Daily Technical Indicators: [See ALGN daily technical indicators chart]
Daily technical indicators are neutral. During the last week, daily Lane's Stochastic signal line (%D) has moved below overbought area. Such crossover is considered a bearish signal.

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

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.

Daily Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 67.72
Williams' Percentage Range (W%R) 32.30
Lane's Stochastic (%D-Slow) 45.74
Greed/Fear Indicator (GFI) 60.40
Moving Average Converg./Diverg. (MACD) 4.23
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 76.35
Williams' Percentage Range (W%R) 12.30
Overbought
Lane's Stochastic (%D-Slow) 84.55
Overbought
Greed/Fear Indicator (GFI) 78.19
Moving Average Converg./Diverg. (MACD) -5.27
Trading Signals
Description Value Chart
Yearly Trendline Support 186.05
Weekly Trendline Resistance 177.92
Upper Bollinger Band 177.69
Parabolic System 174.23
Weekly Stochastic Crossing 170.35
Price 168.73
Daily Stochastic Crossing 168.29
20 Day Moving Average 165.49
Monthly Trendline Resistance 162.05
Weekly Trendline Support 160.26
50 Day Moving Average 156.61
Lower Bollinger Band 153.93
Sector and Industry
Description Name Rank
Sector Health Care 7
Industry Health Care Supplies 84
Daily Trend
Description Value
Direction Up
Chart Pattern Uptrend
Low 154.62
Low Date 01/02/2026
High 174.67
High Date 01/16/2026
Weekly Trend
Monthly Trend
Description Value
Direction Up
Chart Pattern Rising Channel
Status Valid
Resistance 177.92
Support 160.26
Low 122.00
Low Date 09/25/2025
High 174.67
High Date 01/16/2026
Description Value
Direction Down
Chart Pattern Falling Wedge
Status Broken Resistance
Resistance 162.05
Support 108.19
High 335.40
High Date 03/21/2024
Low 122.00
Low Date 09/25/2025
Quarterly Trend
Yearly Trend
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 413.20
High Date 07/27/2023
Low 122.00
Low Date 09/25/2025
Description Value
Direction Down
Chart Pattern Descending Triangle
Status Valid
Resistance 20.75
Support 186.05
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.