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Archive
- 8/29/2025 -
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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 -7.09 points, or -5.09%, and closed at 132.22 on Friday, August 29, 2025. Weekly volume was -12% 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 trend support level is at 80.56 and resistance is at 146.53. A Falling 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 Falling Channel chart pattern help, or use a Technical Stock Screener to see the list of stocks with Falling Channel pattern 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 142.32 on August 22, 2025. BIIB gained -32.32 points, or -29.38%, in 19 weeks. The chart has formed a Rising Channel chart pattern. The trend support level is at 123.97 and resistance is at 143.08. 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.
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 uptrend had started on July 21, 2025 at 121.05 and reached 142.32 on August 22, 2025. BIIB gained -21.27 points, or -17.57%, in 32 days. The chart has formed a Rising Channel chart pattern. The price is near the trend support (133.06) line. The support is usually stronger when technical indicators are oversold. 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 support line in a short-term trend.
Daily Technical Indicators: [See BIIB daily technical indicators chart]
Daily technical indicators are neutral.
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.
Price is close to the 50 Day Moving Average. The moving average crossover signals work better when the stock develops a strong trend, but they are ineffective when the stock is in a trading range. Moving average crossover systems can be effective, but should be used in conjunction with trend patterns, momentum indicators, candlesticks and other aspects of technical analysis. Use the following links to access Moving Average Crossover trading technique, or use the Technical Stock Screener to see the list of stocks with the Moving Average close to the price level.
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