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Archive
- 9/26/2025 -
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BIOGEN IDEC INC (BIIB) Technical Analysis
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| Summary:
| | Weekly :  | | Daily :
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| | It was the negative week for the BIOGEN IDEC INC (BIIB). During the week, the BIIB dropped -5.13 points, or -3.60%, and closed at 137.37 on Friday, September 26, 2025. Weekly volume was -11% 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 price is near the trend resistance line (140.56). 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 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 150.28 on September 12, 2025. BIIB gained -40.28 points, or -36.62%, in 22 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The trend support level is at 128.74 and resistance is at 152.98. 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. During the last week, weekly Lane's Stochastic signal line (%D) has moved below overbought area. Such crossover is considered a bearish 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 link to access Lane's Stochastic 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 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 September 12, 2025 at 150.28 and reached 135.41 on September 25, 2025. BIIB lost 14.87 points, or 9.89%, in 13 days. The price is now at the 13.18% retracement level.
 Daily Technical Indicators: [See BIIB daily technical indicators chart]
Daily Lane's Stochastic is strongly oversold. Use the Technical Stock Screener to see the list of stocks with daily strongly oversold Lane's Stochastic.
The daily MACD line is below its signal line since September 18, 2025. This is an indication that the short-term trend is down.
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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