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Biotechnology Industry Stocks Technical Analysis - BIIBArchive
- 9/18/2026 -
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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 -1.65 points, or -0.76%, and closed at 215.50 on Friday, September 18, 2026. Weekly volume was -23% 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 225.80 on September 3, 2026. BIIB gained -115.80 points, or -105.27%, in 73 weeks. The price is now at the 8.89% retracement level.
Medium-term trend: [See BIIB medium-term trend chart]
A medium-term uptrend had started on April 6, 2026 at 168.64 and reached 225.80 on September 3, 2026. BIIB gained -57.16 points, or -33.89%, in 21 weeks. The price is now at the 18.02% retracement level.
 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. 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 and getting smaller. It indicates that the current medium-term uptrend is getting weak. 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 3, 2026 at 225.80 and reached 208.93 on September 10, 2026. BIIB lost 16.87 points, or 7.47%, in 7 days. The chart has formed a Symmetric Triangle chart pattern. The downtrend support line (218.15) is broken. Usually a broken support is considered to be a long-term bearish signal, although a short-term pull back is possible. 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.
The daily MACD line is below its signal line since September 4, 2026. This is an indication that the short-term trend is down.
During the last week, the price has risen above the Parabolic SAR (stop and reversal). A Parabolic SAR below the price is a bullish signal, and it indicates that momentum is likely to remain in the upward 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 distance between the Bollinger Bands (6.07%) is close to one year low (6.27%). It indicates the period of low volatility of the stock price, and it is considered a buy signal for the option traders. 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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