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Biotechnology Industry Stocks Technical Analysis - BIIBArchive
- 10/2/2026 -
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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 dropped -7.72 points, or -3.39%, and closed at 219.88 on Friday, October 2, 2026. It was the worst weekly loss since July 10, 2026. Weekly volume was -6% 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 uptrend had started on April 9, 2025 at 110.00 and reached 230.49 on September 28, 2026. BIIB gained -120.49 points, or -109.54%, in 76 weeks. The price is now at the 8.81% retracement level.
 Medium-term trend: [See BIIB medium-term trend chart]
A medium-term uptrend had started on September 10, 2026 at 208.93 and reached 230.49 on September 28, 2026. BIIB gained -21.56 points, or -10.32%, in 2 weeks. The chart has formed a Rising Wedge chart pattern. The uptrend support line (232.80) 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 medium-term trend.
 Weekly Technical Indicators: [See BIIB weekly technical indicators chart]
Weekly Williams' Percentage Range and Lane's Stochastic are overbought. Use the Technical Stock Screener to see the list of stocks with overbought weekly Williams' Percentage Range and Lane's Stochastic. During the last week, weekly Lane's Stochastic main line (%K) has declined below the overbought signal line (%D). Such crossover is considered a bearish signal. 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. Use the following links to access Lane's Stochastic and Williams' Percentage Range help.
The weekly MACD line is above its signal line since August 7, 2026. This is an indication that the medium-term trend is up. The distance between MACD and the signal line is low, but getting bigger. It indicates that the current medium-term uptrend is getting stronger. 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 September 28, 2026 at 230.49 and reached 219.81 on October 2, 2026. BIIB lost 10.68 points, or 4.63%, in 4 days. Price is near the trend low.
 Daily Technical Indicators: [See BIIB daily technical indicators chart]
Daily technical indicators are neutral. During the last week, daily Lane's Stochastic main line (%K) has declined below the overbought signal line (%D). Such crossover is considered a bearish signal.
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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