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Biotechnology Industry Stocks Technical Analysis - BIIB

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- 10/16/2026 -
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BIOGEN IDEC INC (BIIB) Technical Analysis

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Summary:
Weekly :Overbought sectorWilliams' Percentage Range is strongly overboughtMACD bearish divergenceTrend resistance at 232.83
Daily :Williams' Percentage Range is overboughtLane's Stochastic and MACD bearish divergenceDaily  MACD line has moved above its signal lineThe price has risen above the Parabolic SARBearish Two Crows Candlestick
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It was a second consecutive positive week for the BIOGEN IDEC INC (BIIB). During the week, the BIIB gained 6.94 points, or 3.07%, and closed at 232.65 on Friday, October 16, 2026. Weekly volume was 9% above 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 240.99 on October 15, 2026. BIIB gained -130.99 points, or -119.08%, in 79 weeks. The price is now at the 6.37% retracement level.

Medium-term trend: [See BIIB medium-term trend chart]
A medium-term uptrend had started on January 20, 2026 at 160.36 and reached 240.99 on October 15, 2026. BIIB gained -80.63 points, or -50.28%, in 38 weeks. The chart has formed a Rising Channel chart pattern. The price is near the trend resistance line (232.83). 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 medium-term trend.

Weekly Technical Indicators: [See BIIB weekly technical indicators chart]
Weekly Williams' Percentage Range is strongly overbought. Use the Technical Stock Screener to see the list of stocks with strongly overbought weekly overbought Williams' Percentage Range. 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 link to access 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 uptrend had started on October 8, 2026 at 215.73 and reached 240.99 on October 15, 2026. BIIB gained -25.26 points, or -11.71%, in 7 days. The price is now at the 33.02% retracement level.

Daily Technical Indicators: [See BIIB daily technical indicators chart]
Daily Williams' Percentage Range is overbought. Use the Technical Stock Screener to see the list of stocks with overbought daily Williams' Percentage Range. Daily Lane's Stochastic and MACD have bearish divergence. Use the following links to access the Lane's Stochastic and MACD help, or use the Technical Stock Screener to see the list of stocks with daily Lane's Stochastic and MACD bearish divergence. Use the following link to access Lane's Stochastic help.

During the last week, daily MACD line has moved above its signal line. Such crossover is considered a bullish signal.

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.

Candlestick pattern: [See BIIB candlestick chart pattern]
On Friday the chart has formed a Bearish Two Crows Candlestick pattern. The reliability of the Bearish Two Crows pattern is medium. Use the Technical Stock Screener to see the list of stocks that had a Bearish Two Crows Candlestick pattern during the last week.

Daily Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 55.17
Williams' Percentage Range (W%R) 19.80
Overbought
Lane's Stochastic (%D-Slow) 67.98
Bearish
Greed/Fear Indicator (GFI) 67.77
Moving Average Converg./Diverg. (MACD) 2.76 Bearish
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 74.93
Williams' Percentage Range (W%R) 9.30
Strong Overbought
Lane's Stochastic (%D-Slow) 79.91
Greed/Fear Indicator (GFI) 76.74
Moving Average Converg./Diverg. (MACD) 9.68 Bearish
Trading Signals
Description Value Chart
Weekly Stochastic Crossing 234.98
Upper Bollinger Band 234.62
Daily Stochastic Crossing 233.36
Monthly Trendline Resistance 232.83
Price 232.65
20 Day Moving Average 226.11
50 Day Moving Average 219.71
Parabolic System 218.34
Lower Bollinger Band 216.84
Monthly Trendline Support 196.71
Sector and Industry
Description Name Rank
Sector Health Care 11
Industry Biotechnology 109
Daily Trend
Description Value
Direction Up
Chart Pattern Uptrend
Low 215.73
Low Date 10/08/2026
High 240.99
High Date 10/15/2026
Weekly Trend
Monthly Trend
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 208.93
Low Date 09/10/2026
High 240.99
High Date 10/15/2026
Description Value
Direction Up
Chart Pattern Rising Channel
Status Test Resistance
Resistance 232.83
Support 196.71
Low 160.36
Low Date 01/20/2026
High 240.99
High Date 10/15/2026
Quarterly Trend
Yearly Trend
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 110.00
Low Date 04/09/2025
High 240.99
High Date 10/15/2026
Description Value
Direction Down
Chart Pattern DownTrend
Status
Resistance
Support
High 480.18
High Date 03/20/2015
Low 110.00
Low Date 04/09/2025
Warning: TheGreedyTrader.com presents weekly analysis. Technical indicators and trend parameters are calculated for the close of business day indicated on the top right corner of the screen.