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Downtrend ExhaustionArchive
- 2/27/2026 -
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BIOGEN IDEC INC (BIIB) Technical Analysis
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| Summary:
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| | It was the negative week for the BIOGEN IDEC INC (BIIB). During the week, the BIIB gave back -0.21 points, or -0.11%, and closed at 191.82 on Friday, February 27, 2026. Weekly volume was -41% 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 downtrend resistance line (41.59) 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 202.41 on February 6, 2026. BIIB gained -92.41 points, or -84.01%, in 43 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The trend support level is at 155.17 and resistance is at 206.15. 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 technical indicators are neutral.
The weekly MACD line is above its signal line since May 9, 2025. This is an indication that the medium-term trend is up. 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 January 20, 2026 at 160.36 and reached 202.41 on February 6, 2026. BIIB gained -42.05 points, or -26.22%, in 17 days. The chart has formed a Symmetric Triangle chart pattern. The uptrend support line (205.65) is broken. A broken support is considered to be a long-term bearish 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 support in a short-term trend.
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.
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