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Biotechnology Industry Stocks Technical Analysis - BIIBArchive
- 10/17/2025 -
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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 dropped -3.57 points, or -2.44%, and closed at 143.00 on Friday, October 17, 2025. Weekly volume was -20% 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 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 (69.88) 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 160.20 on October 3, 2025. BIIB gained -50.20 points, or -45.64%, in 25 weeks. The chart has formed a Rising Channel chart pattern. The trend support level is at 141.08 and resistance is at 157.04. A Rising 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 Rising Channel chart pattern help, or use a Technical Stock Screener to see the list of stocks with Rising Channel pattern in a medium-term trend.
 Weekly Technical Indicators: [See BIIB weekly technical indicators chart]
Weekly technical indicators are neutral. 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.
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 October 3, 2025 at 160.20 and reached 141.67 on October 17, 2025. BIIB lost 18.53 points, or 11.57%, in 14 days. The price is now at the 7.18% retracement level.
 Daily Technical Indicators: [See BIIB daily technical indicators chart]
Daily Lane's Stochastic is oversold. Use the Technical Stock Screener to see the list of stocks with daily oversold Lane's Stochastic. Use the following link to access Lane's Stochastic help.
During the last week, daily MACD line has moved below its signal line. Such crossover is considered a bearish signal.
During the last week, the price has fallen below the Parabolic SAR (stop and reversal). A Parabolic SAR above the price is a bearish signal, and it indicates that momentum is likely to remain in the downward direction. A Parabolic SAR is used as a trailing stop loss for long or short positions. It works best during strong trending periods. Use the following links to access Parabolic SAR Help, or use the Technical Stock Screener to see the list of stocks with the Parabolic SAR close to the price level.
During the last week, the price has declined below the moving average in the center of the Bollinger Bands. The Bollinger Bands are often used with a non-oscillator indicator like chart patterns or a trendline. The signals are considered more reliable if these indicators confirm the recommendation of the Bollinger Bands. Use the following links to access the Bollinger Bands Help, or use the Technical Stock Screener to see the list of stocks with the price above the Upper Bollinger Band or below the Lower Bollinger Band.
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