The Greedy Trader Weekly Analysis
Sign In Sep 18, 2026
Skip Navigation Links
Share
Symbol:  

• Symbol Lookup
• View Technical Chart
• Add to Watch List
• Candlestick Patterns - N/A
• Stock Technical Indicators
• Stock Trends Analysis
• Market Sector Rank
• Stock Trading Signals

Archive
- 9/11/2026 -
Sign In to see current Signals.

Align Technology Inc. (ALGN) Technical Analysis

Subscribe to TheGreedyTrader Weekly Alerts
Summary:
Weekly :Overbought sectorLane's Stochastic oversoldWilliams' Percentage Range is strongly oversoldPrice is near the Fibonacci 61.8% retracement level
Daily :Williams' Percentage Range is oversoldMACD bullish divergence
Move cursor over the icon to see details.

It was the negative week for the Align Technology Inc. (ALGN). During the week, the ALGN dropped -7.81 points, or -4.92%, and closed at 150.82 on Friday, September 11, 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. Price is near the Fibonacci 61.8% retracement level. The Fibonacci retracement level is considered a support/resistance 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 148.50 on September 10, 2026. ALGN lost 51.94 points, or 25.91%, in 20 weeks. Price is near the trend low.

Weekly Technical Indicators: [See ALGN weekly technical indicators chart]
Weekly Lane's Stochastic is oversold while Williams' Percentage Range is strongly oversold. Use the Technical Stock Screener to see the list of stocks with oversold weekly Lane's Stochastic or strongly oversold weekly 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 links to access Lane's Stochastic and 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 148.50 on September 10, 2026. ALGN lost 33.70 points, or 18.50%, in 27 days. The price is now at the 6.88% 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. Daily MACD has bullish divergence. Use the following links to access the MACD help, or use the Technical Stock Screener to see the list of stocks with daily MACD bullish divergence. The divergence between price and indicator is considering one of the most important buy/sell stocks trading signal.

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, but getting bigger. It indicates that the current short-term downtrend is getting stronger.

Daily Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 27.56
Williams' Percentage Range (W%R) 85.80
Oversold
Lane's Stochastic (%D-Slow) 20.20
Greed/Fear Indicator (GFI) 20.67
Moving Average Converg./Diverg. (MACD) -4.35 Bullish
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 40.44
Williams' Percentage Range (W%R) 90.80
Strong Oversold
Lane's Stochastic (%D-Slow) 16.48
Oversold
Greed/Fear Indicator (GFI) 23.04
Moving Average Converg./Diverg. (MACD) 0.68
Trading Signals
Description Value Chart
Upper Bollinger Band 173.54
50 Day Moving Average 169.51
20 Day Moving Average 160.00
Parabolic System 154.80
Weekly Stochastic Crossing 152.90
Price 150.82
Daily Stochastic Crossing 150.26
Lower Bollinger Band 145.87
Sector and Industry
Description Name Rank
Sector Health Care 11
Industry Health Care Supplies 17
Daily Trend
Description Value
Direction Down
Chart Pattern DownTrend
High 182.20
High Date 08/14/2026
Low 148.50
Low Date 09/10/2026
Weekly Trend
Monthly Trend
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 190.97
High Date 07/07/2026
Low 148.50
Low Date 09/10/2026
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 200.44
High Date 04/21/2026
Low 148.50
Low Date 09/10/2026
Quarterly Trend
Yearly Trend
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 122.00
Low Date 09/25/2025
High 200.44
High Date 04/21/2026
Description Value
Direction Down
Chart Pattern DownTrend
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.