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Downtrend ExhaustionArchive
- 11/21/2025 -
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BIOGEN IDEC INC (BIIB) Technical Analysis
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| Summary:
| | Weekly :  | | Daily :
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| | It was a fifth consecutive positive week for the BIOGEN IDEC INC (BIIB). During the week, the BIIB gained 7.75 points, or 4.63%, and closed at 175.30 on Friday, November 21, 2025. Weekly volume was 33% 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 (62.02) is broken. Usually a broken resistance is considered to be a long-term bullish signal, but since daily indicators are overbought a short-term pull back is possible. BIIB may retest the broken resistance line. It is considered to be a support line now. 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 176.02 on November 21, 2025. BIIB gained -66.02 points, or -60.02%, in 32 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The uptrend resistance line (142.21) is broken, while daily and weekly technical indicators are overbought. Uptrend is exhausted and trend reversal is possible soon. 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 medium-term trend.
 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 May 9, 2025. This is an indication that the medium-term trend is up. The distance between MACD and the signal line is near its 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 October 30, 2025 at 138.00 and reached 176.02 on November 21, 2025. BIIB gained -38.02 points, or -27.55%, in 22 days. The chart has formed a Rising Wedge chart pattern. The price is near the trend resistance line (166.84). The resistance is usually stronger when technical indicators are overbought. Use the following links to access Trend Support/Resistance Help, or use the Technical Stock Screener to see the list of stocks with price testing the trend resistance line in a short-term trend.
 Daily Technical Indicators: [See BIIB daily technical indicators chart]
Daily Relative Strength Index, Williams' Percentage Range and Lane's Stochastic are overbought. Use the Technical Stock Screener to see the list of stocks with overbought daily Relative Strength Index, Williams' Percentage Range and Lane's Stochastic. Use the following links to access Lane's Stochastic and Relative Strength Index help.
The daily MACD line is above its signal line since October 30, 2025. This is an indication that the short-term trend is up. The distance between MACD and the signal line is relatively high, but getting smaller. It indicates that the current short-term uptrend is still strong, and momentum is beginning to wane.
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