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Biotechnology Industry Stocks Technical Analysis - BIIBArchive
- 9/11/2026 -
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BIOGEN IDEC INC (BIIB) Technical Analysis
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| Summary:
| | Weekly : | | Daily :
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| | It was the negative week for the BIOGEN IDEC INC (BIIB). During the week, the BIIB dropped -3.68 points, or -1.67%, and closed at 217.15 on Friday, September 11, 2026. It was the worst weekly loss since July 24, 2026. Weekly volume was -42% 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 225.80 on September 3, 2026. BIIB gained -115.80 points, or -105.27%, in 73 weeks. The price is now at the 7.47% 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 225.80 on September 3, 2026. BIIB gained -57.16 points, or -33.89%, in 21 weeks. The price is now at the 15.13% retracement level.
 Weekly Technical Indicators: [See BIIB weekly technical indicators chart]
Weekly Williams' Percentage Range is overbought. Use the Technical Stock Screener to see the list of stocks with overbought 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 link to access Williams' Percentage Range help.
The weekly MACD line is above its signal line since August 7, 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 September 3, 2026 at 225.80 and reached 208.93 on September 10, 2026. BIIB lost 16.87 points, or 7.47%, in 7 days. The price is now at the 48.73% retracement level.
 Daily Technical Indicators: [See BIIB daily technical indicators chart]
Daily technical indicators are neutral.
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.
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| Daily Oscillators |
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| Weekly Oscillators |
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| Trading
Signals |
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| Sector and
Industry |
| Description |
Name |
Rank |
| Sector |
Health Care |
11 |
| Industry |
Biotechnology |
112 |
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| Daily Trend |
| Description |
Value |
| Direction |
Down |
| Chart Pattern |
DownTrend |
| High |
225.80 |
| High Date |
09/03/2026 |
| Low |
208.93 |
| Low Date |
09/10/2026 |
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| Weekly Trend |
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| Description |
Value |
| Direction |
Up |
| Chart Pattern |
Uptrend |
| Status |
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| Resistance |
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| Support |
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| Low |
186.03 |
| Low Date |
07/15/2026 |
| High |
225.80 |
| High Date |
09/03/2026 |
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| Description |
Value |
| Direction |
Up |
| Chart Pattern |
Uptrend |
| Status |
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| Resistance |
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| Support |
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| Low |
168.64 |
| Low Date |
04/06/2026 |
| High |
225.80 |
| High Date |
09/03/2026 |
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| Quarterly Trend |
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| Description |
Value |
| Direction |
Up |
| Chart Pattern |
Uptrend |
| Status |
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| Resistance |
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| Support |
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| Low |
110.00 |
| Low Date |
04/09/2025 |
| High |
225.80 |
| High Date |
09/03/2026 |
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| Description |
Value |
| Direction |
Down |
| Chart Pattern |
DownTrend |
| Status |
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| Resistance |
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| Support |
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| High |
480.18 |
| High Date |
03/20/2015 |
| Low |
110.00 |
| Low Date |
04/09/2025 |
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