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Biotechnology Industry Stocks Technical Analysis - BIIBArchive
- 8/21/2026 -
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BIOGEN IDEC INC (BIIB) Technical Analysis
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| Summary:
| | Weekly : | | Daily :
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| | It was a fourth consecutive positive week for the BIOGEN IDEC INC (BIIB). During the week, the BIIB gained 6.95 points, or 3.31%, and closed at 216.78 on Friday, August 21, 2026. It was the best weekly gain since June 26, 2026. Weekly volume was -50% 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 222.15 on August 19, 2026. BIIB gained -112.15 points, or -101.95%, in 71 weeks. Price is near the trend high.
Medium-term trend: [See BIIB medium-term trend chart]
A medium-term uptrend had started on April 6, 2026 at 168.64 and reached 222.15 on August 19, 2026. BIIB gained -53.51 points, or -31.73%, in 19 weeks. The price is now at the 10.04% retracement level.
 Weekly Technical Indicators: [See BIIB weekly technical indicators chart]
Weekly Williams' Percentage Range is strongly overbought. Use the Technical Stock Screener to see the list of stocks with strongly overbought weekly overbought Williams' Percentage Range. Weekly MACD has bearish divergence. Use the following links to access the MACD help, or use the Technical Stock Screener to see the list of stocks with weekly MACD bearish divergence. The divergence between price and indicator is considering one of the most important buy/sell stocks trading signal. 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, but getting bigger. It indicates that the current medium-term uptrend is getting stronger. Use the following link to access a MACD help.
 Short-term trend: [See BIIB short-term trend chart]
A short-term uptrend had started on July 23, 2026 at 196.92 and reached 222.15 on August 19, 2026. BIIB gained -25.23 points, or -12.81%, in 27 days. The chart has formed a Symmetric Triangle chart pattern.
 Daily Technical Indicators: [See BIIB daily technical indicators chart]
Daily Williams' Percentage Range is overbought. Use the Technical Stock Screener to see the list of stocks with overbought daily Williams' Percentage Range.
The daily MACD line is above its signal line since August 3, 2026. This is an indication that the short-term trend is up.
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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 |
119 |
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| Daily Trend |
| Description |
Value |
| Direction |
Up |
| Chart Pattern |
Symmetric Triangle |
| Low |
196.92 |
| Low Date |
07/23/2026 |
| High |
222.15 |
| High Date |
08/19/2026 |
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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 |
222.15 |
| High Date |
08/19/2026 |
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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 |
222.15 |
| High Date |
08/19/2026 |
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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 |
222.15 |
| High Date |
08/19/2026 |
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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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