The Greedy Trader Weekly Analysis
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Biotechnology Industry Stocks Technical Analysis - BIIB

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- 7/24/2026 -
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BIOGEN IDEC INC (BIIB) Technical Analysis

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Summary:
Weekly :Overbought sectorTrend support at 200.57
Daily :The price is close to the moving average in the center of the Bollinger Bands
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It was the negative week for the BIOGEN IDEC INC (BIIB). During the week, the BIIB dropped -3.80 points, or -1.84%, and closed at 202.19 on Friday, July 24, 2026. Weekly volume was -47% below average.

BIIB 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 BIIB long-term trend chart]
A long-term uptrend had started on April 9, 2025 at 110.00 and reached 219.72 on June 29, 2026. BIIB gained -109.72 points, or -99.75%, in 63 weeks. The price is now at the 15.98% retracement level.

Medium-term trend: [See BIIB medium-term trend chart]
A medium-term uptrend had started on April 6, 2026 at 168.64 and reached 219.72 on June 29, 2026. BIIB gained -51.08 points, or -30.29%, in 12 weeks. The chart has formed a Rising Channel chart pattern. The price is near the trend support (200.57) line. The support is usually stronger when technical indicators are oversold. Use the following links to access Trend Support/Resistance Help, or use the Technical Stock Screener to see the list of stocks with price testing the trend support line in a medium-term trend.

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

The weekly MACD line is above its signal line since June 18, 2026. This is an indication that the medium-term trend is up. The distance between MACD and the signal line is low and getting smaller. It indicates that the current medium-term uptrend is getting weak. Use the following link to access a MACD help.

Short-term trend: [See BIIB short-term trend chart]
A short-term downtrend had started on June 29, 2026 at 219.72 and reached 186.03 on July 15, 2026. BIIB lost 33.69 points, or 15.33%, in 16 days. The price is now at the 47.97% retracement level.

Daily Technical Indicators: [See BIIB daily technical indicators chart]
Daily technical indicators are neutral.

The daily MACD line is below its signal line since July 7, 2026. This is an indication that the short-term trend is down.

The price is close to 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.

Daily Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 45.86
Williams' Percentage Range (W%R) 51.90
Lane's Stochastic (%D-Slow) 49.41
Greed/Fear Indicator (GFI) 47.80
Moving Average Converg./Diverg. (MACD) 0.91
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 66.42
Williams' Percentage Range (W%R) 34.20
Lane's Stochastic (%D-Slow) 62.19
Greed/Fear Indicator (GFI) 60.66
Moving Average Converg./Diverg. (MACD) 8.19
Trading Signals
Description Value Chart
Monthly Trendline Resistance 227.30
Upper Bollinger Band 216.29
Weekly Stochastic Crossing 205.42
20 Day Moving Average 205.20
Price 202.19
Daily Stochastic Crossing 200.93
Monthly Trendline Support 200.57
50 Day Moving Average 199.43
Parabolic System 194.69
Lower Bollinger Band 187.98
Sector and Industry
Description Name Rank
Sector Health Care 10
Industry Biotechnology 87
Daily Trend
Description Value
Direction Down
Chart Pattern DownTrend
High 215.79
High Date 07/17/2026
Low 196.92
Low Date 07/23/2026
Weekly Trend
Monthly Trend
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 219.72
High Date 06/29/2026
Low 186.03
Low Date 07/15/2026
Description Value
Direction Up
Chart Pattern Rising Channel
Status Test Support
Resistance 227.30
Support 200.57
Low 168.64
Low Date 04/06/2026
High 219.72
High Date 06/29/2026
Quarterly Trend
Yearly Trend
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 110.00
Low Date 04/09/2025
High 219.72
High Date 06/29/2026
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 480.18
High Date 03/20/2015
Low 110.00
Low Date 04/09/2025
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.