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Biotechnology Industry Stocks Technical Analysis - BIIBArchive
- 12/19/2025 -
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BIOGEN IDEC INC (BIIB) Technical Analysis
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| Summary:
| | Weekly :  | | Daily :
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| | It was a first positive week for the BIOGEN IDEC INC (BIIB). During the week, the BIIB climbed 0.70 points, or 0.40%, and closed at 174.80 on Friday, December 19, 2025. Weekly volume was 213% above 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 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 downtrend resistance line (56.05) is broken. A broken support is considered to be a long-term bullish signal. Use the following links to access Trend Support/Resistance Help, or use the Technical Stock Screener to see the list of stocks with broken trend resistance line 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 185.17 on November 24, 2025. BIIB gained -75.17 points, or -68.34%, in 32 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The trend support level is at 146.09 and resistance is at 197.45. 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 medium-term trend.
 Weekly Technical Indicators: [See BIIB weekly technical indicators chart]
Weekly Lane's Stochastic is overbought. Use the Technical Stock Screener to see the list of stocks with overbought weekly Lane's Stochastic. 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 Lane's Stochastic 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, but getting smaller. It indicates that the current medium-term uptrend is still strong, and momentum is beginning to wane. 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 November 24, 2025 at 185.17 and reached 168.56 on December 18, 2025. BIIB lost 16.61 points, or 8.97%, in 24 days. Price is near the Fibonacci 38.2% retracement level. The Fibonacci retracement level is considered a support/resistance 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 December 5, 2025. This is an indication that the short-term trend is down. The distance between MACD and the signal line is relatively high and getting bigger. It indicates that the current short-term downtrend is strong.
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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 |
105 |
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| Daily Trend |
| Description |
Value |
| Direction |
Up |
| Chart Pattern |
Uptrend |
| Low |
168.56 |
| Low Date |
12/18/2025 |
| High |
176.42 |
| High Date |
12/19/2025 |
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| Weekly Trend |
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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 |
185.17 |
| High Date |
11/24/2025 |
| Low |
168.56 |
| Low Date |
12/18/2025 |
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| Description |
Value |
| Direction |
Up |
| Chart Pattern |
Broadening Ascending Wedge |
| Status |
Valid |
| Resistance |
197.45 |
| Support |
146.09 |
| Low |
110.00 |
| Low Date |
04/09/2025 |
| High |
185.17 |
| High Date |
11/24/2025 |
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| Quarterly Trend |
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| Description |
Value |
| Direction |
Down |
| Chart Pattern |
Falling Channel |
| Status |
Broken Resistance |
| Resistance |
122.01 |
| Support |
56.05 |
| 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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