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Biotechnology Industry Stocks Technical Analysis - BIIB

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- 9/25/2026 -
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BIOGEN IDEC INC (BIIB) Technical Analysis

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Summary:
Weekly :Overbought sectorLane's Stochastic is overboughtWilliams' Percentage Range is strongly overboughtMACD bearish divergence
Daily :Lane's Stochastic is overboughtWilliams' Percentage Range is strongly overboughtDaily  MACD line has moved above its signal lineThe price moved above the moving average in the center of the Bollinger Bands
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It was a first positive week for the BIOGEN IDEC INC (BIIB). During the week, the BIIB gained 12.10 points, or 5.61%, and closed at 227.60 on Friday, September 25, 2026. It was the best weekly gain since June 26, 2026. Weekly volume was -21% 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 229.19 on September 23, 2026. BIIB gained -119.19 points, or -108.35%, in 76 weeks. Price is near the trend high.

Medium-term trend: [See BIIB medium-term trend chart]
A medium-term uptrend had started on April 6, 2026 at 168.64 and reached 229.19 on September 23, 2026. BIIB gained -60.55 points, or -35.90%, in 24 weeks. Price is near the trend high.

Weekly Technical Indicators: [See BIIB weekly technical indicators chart]
Weekly Lane's Stochastic is overbought while Williams' Percentage Range is strongly overbought. Use the Technical Stock Screener to see the list of stocks with overbought weekly Lane's Stochastic or strongly overbought weekly 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 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 uptrend had started on September 10, 2026 at 208.93 and reached 229.19 on September 23, 2026. BIIB gained -20.26 points, or -9.70%, in 13 days. The price is now at the 7.85% retracement level.

Daily Technical Indicators: [See BIIB daily technical indicators chart]
Daily Lane's Stochastic is overbought while Williams' Percentage Range is strongly overbought. Use the Technical Stock Screener to see the list of stocks with overbought daily Lane's Stochastic or strongly overbought daily Williams' Percentage Range.

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 moved above 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.

Daily Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 58.66
Williams' Percentage Range (W%R) 4.50
Strong Overbought
Lane's Stochastic (%D-Slow) 86.24
Overbought
Greed/Fear Indicator (GFI) 80.12
Overbought
Moving Average Converg./Diverg. (MACD) 2.47
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 68.64
Williams' Percentage Range (W%R) 2.10
Strong Overbought
Lane's Stochastic (%D-Slow) 83.87
Overbought
Greed/Fear Indicator (GFI) 78.65
Moving Average Converg./Diverg. (MACD) 9.10 Bearish
Trading Signals
Description Value Chart
Upper Bollinger Band 229.20
Price 227.60
Daily Stochastic Crossing 227.55
Weekly Stochastic Crossing 223.82
20 Day Moving Average 219.25
Parabolic System 217.82
50 Day Moving Average 212.96
Lower Bollinger Band 210.00
Sector and Industry
Description Name Rank
Sector Health Care 10
Industry Biotechnology 118
Daily Trend
Description Value
Direction Up
Chart Pattern Uptrend
Low 213.54
Low Date 09/15/2026
High 229.19
High Date 09/23/2026
Weekly Trend
Monthly Trend
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 208.93
Low Date 09/10/2026
High 229.19
High Date 09/23/2026
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 168.64
Low Date 04/06/2026
High 229.19
High Date 09/23/2026
Quarterly Trend
Yearly Trend
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 110.00
Low Date 04/09/2025
High 229.19
High Date 09/23/2026
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.