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

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- 5/15/2026 -
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BIOGEN IDEC INC (BIIB) Technical Analysis

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Summary:
Weekly :Oversold sector
Daily :The price has fallen below the Parabolic SAR
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It was the negative week for the BIOGEN IDEC INC (BIIB). During the week, the BIIB gave back -0.50 points, or -0.26%, and closed at 192.95 on Friday, May 15, 2026. Weekly volume was 6% above average.

BIIB is a member of Health Care Sector. Health Care is the most oversold 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 205.97 on May 13, 2026. BIIB gained -95.97 points, or -87.25%, in 57 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The trend support level is at 173.30 and resistance is at 234.96. A Broadening Ascending Wedge pattern is considered to be a reversal formation. It usually appears in a mature trend, characterized by overbought/oversold long-term and short-term indicators, and often generates divergence on long-term indicators. Use the following link to access a Broadening Ascending Wedge chart pattern help, or use a Technical Stock Screener to see the list of stocks with Broadening Ascending Wedge pattern in a long-term trend.

Medium-term trend: [See BIIB medium-term trend chart]
A medium-term uptrend had started on April 6, 2026 at 168.64 and reached 205.97 on May 13, 2026. BIIB gained -37.33 points, or -22.14%, in 5 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The trend support level is at 189.34 and resistance is at 207.82. Use the following link to access a Broadening Ascending Wedge chart pattern help, or use a Technical Stock Screener to see the list of stocks with Broadening Ascending Wedge pattern in a medium-term trend.

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

The weekly MACD line is below its signal line since March 13, 2026. The distance between MACD and the signal line is low and getting smaller. 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 May 13, 2026 at 205.97 and reached 189.49 on May 14, 2026. BIIB lost 16.48 points, or 8.00%, in 1 days. The price is now at the 21.00% retracement level.

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

The daily MACD line is above its signal line since April 17, 2026. The distance between MACD and the signal line is low and getting smaller.

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) 61.53
Williams' Percentage Range (W%R) 51.90
Lane's Stochastic (%D-Slow) 65.40
Greed/Fear Indicator (GFI) 58.35
Moving Average Converg./Diverg. (MACD) 2.95
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 42.37
Williams' Percentage Range (W%R) 31.00
Lane's Stochastic (%D-Slow) 62.34
Greed/Fear Indicator (GFI) 60.52
Moving Average Converg./Diverg. (MACD) 8.01
Trading Signals
Description Value Chart
Monthly Trendline Resistance 207.82
Parabolic System 205.84
Upper Bollinger Band 201.96
Daily Stochastic Crossing 198.85
Weekly Stochastic Crossing 195.06
Price 192.95
20 Day Moving Average 190.22
Monthly Trendline Support 189.34
50 Day Moving Average 185.39
Lower Bollinger Band 179.15
Quarterly Trendline Support 173.30
Sector and Industry
Description Name Rank
Sector Health Care 1
Industry Biotechnology 52
Daily Trend
Description Value
Direction Down
Chart Pattern DownTrend
High 205.97
High Date 05/13/2026
Low 189.49
Low Date 05/14/2026
Weekly Trend
Monthly Trend
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 205.97
High Date 05/13/2026
Low 189.49
Low Date 05/14/2026
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Status Valid
Resistance 207.82
Support 189.34
Low 168.64
Low Date 04/06/2026
High 205.97
High Date 05/13/2026
Quarterly Trend
Yearly Trend
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Status Valid
Resistance 234.96
Support 173.30
Low 110.00
Low Date 04/09/2025
High 205.97
High Date 05/13/2026
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.