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Biotechnology Industry Stocks Technical Analysis - BIIBArchive
- 8/22/2025 -
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BIOGEN IDEC INC (BIIB) Technical Analysis
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| Summary:
| | Weekly : | | Daily :
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| | It was a second consecutive positive week for the BIOGEN IDEC INC (BIIB). During the week, the BIIB climbed 0.71 points, or 0.51%, and closed at 139.31 on Friday, August 22, 2025. Weekly volume was -6% below average.
 Long-term trend: [See BIIB long-term trend chart]
A long-term downtrend had started on June 12, 2023 at 319.76 and reached 110.00 on April 9, 2025. BIIB lost 209.76 points, or 65.60%, in 95 weeks. The chart has formed a Falling Channel chart pattern. The trend support level is at 82.14 and resistance is at 148.10. A Falling Channel represents price movement contained between parallel lower (support) and upper (resistance) trend lines. Trading Channeling stocks is one of the most reliable and accurate trading techniques that provide traders with precise entry and exit points as well as stop-losses and take-profit recommendations. Use the following link to access a Falling Channel chart pattern help, or use a Technical Stock Screener to see the list of stocks with Falling Channel pattern in a long-term trend.
 Medium-term trend: [See BIIB medium-term trend chart]
A medium-term uptrend had started on April 9, 2025 at 110.00 and reached 142.32 on August 22, 2025. BIIB gained -32.32 points, or -29.38%, in 19 weeks. The price is now at the 9.31% 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. 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 May 9, 2025. This is an indication that the medium-term trend is up. The distance between MACD and the signal line is relatively high and getting bigger. It indicates that the current medium-term uptrend is strong. 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 August 1, 2025 at 124.56 and reached 142.32 on August 22, 2025. BIIB gained -17.76 points, or -14.26%, in 21 days. The price is now at the 16.95% retracement level.
 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 12, 2025. 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 |
7 |
| Industry |
Biotechnology |
72 |
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| Daily Trend |
| Description |
Value |
| Direction |
Up |
| Chart Pattern |
Uptrend |
| Low |
124.56 |
| Low Date |
08/01/2025 |
| High |
142.32 |
| High Date |
08/22/2025 |
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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 |
121.05 |
| Low Date |
07/21/2025 |
| High |
142.32 |
| High Date |
08/22/2025 |
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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 |
142.32 |
| High Date |
08/22/2025 |
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| Quarterly Trend |
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| Description |
Value |
| Direction |
Down |
| Chart Pattern |
Falling Channel |
| Status |
Valid |
| Resistance |
148.10 |
| Support |
82.14 |
| High |
319.76 |
| High Date |
06/12/2023 |
| Low |
110.00 |
| Low Date |
04/09/2025 |
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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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