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Biotechnology Industry Stocks Technical Analysis - BIIB

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- 2/13/2026 -
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BIOGEN IDEC INC (BIIB) Technical Analysis

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Summary:
Weekly :Williams' Percentage Range is strongly overboughtRelative Strength Index, Lane's Stochastic and MACD bearish divergenceBroken trend resistance line
Daily :Williams' Percentage Range is overboughtStochastic signal line moved below overbought area20 Day Moving Average has crossed above the 50 Day Moving Average
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It was the negative week for the BIOGEN IDEC INC (BIIB). During the week, the BIIB dropped -4.66 points, or -2.32%, and closed at 196.52 on Friday, February 13, 2026. Weekly volume was -7% 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 downtrend resistance line (44.42) is broken. Usually a broken resistance is considered to be a long-term bullish signal, but since daily indicators are overbought a short-term pull back is possible. BIIB may retest the broken resistance line. It is considered to be a support line now. 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 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 202.41 on February 6, 2026. BIIB gained -92.41 points, or -84.01%, in 43 weeks. The chart has formed a Broadening Ascending Wedge chart pattern. The trend support level is at 153.30 and resistance is at 201.88. 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 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 Relative Strength Index, Lane's Stochastic and MACD have bearish divergence. Use the following links to access the Relative Strength Index, Lane's Stochastic and MACD help, or use the Technical Stock Screener to see the list of stocks with weekly Relative Strength Index, Lane's Stochastic and 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, Relative Strength Index and Williams' Percentage Range 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. 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 January 20, 2026 at 160.36 and reached 202.41 on February 6, 2026. BIIB gained -42.05 points, or -26.22%, in 17 days. The price is now at the 14.01% 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. During the last week, daily Lane's Stochastic signal line (%D) has moved below overbought area. Such crossover is considered a bearish signal.

The daily MACD line is above its signal line since January 29, 2026. This is an indication that the short-term trend is up. The distance between MACD and the signal line is relatively high, but getting smaller. It indicates that the current short-term uptrend is still strong, and momentum is beginning to wane.

During the last week, the 20 Day Moving Average has advanced above the 50 Day Moving Average. Such crossover is considered a bullish signal. 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.

Daily Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 71.58
Williams' Percentage Range (W%R) 14.60
Overbought
Lane's Stochastic (%D-Slow) 67.02
Greed/Fear Indicator (GFI) 74.67
Moving Average Converg./Diverg. (MACD) 3.55
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 68.19
Bearish
Williams' Percentage Range (W%R) 9.20
Strong Overbought
Lane's Stochastic (%D-Slow) 60.91
Bearish
Greed/Fear Indicator (GFI) 70.38
Moving Average Converg./Diverg. (MACD) 9.39 Bearish
Trading Signals
Description Value Chart
Upper Bollinger Band 205.48
Monthly Trendline Resistance 201.88
Price 196.52
Daily Stochastic Crossing 193.70
Parabolic System 191.26
Weekly Stochastic Crossing 185.37
20 Day Moving Average 180.99
50 Day Moving Average 178.76
Lower Bollinger Band 163.99
Sector and Industry
Description Name Rank
Sector Health Care 5
Industry Biotechnology 60
Daily Trend
Description Value
Direction Up
Chart Pattern Uptrend
Low 187.20
Low Date 02/11/2026
High 199.50
High Date 02/13/2026
Weekly Trend
Monthly Trend
Description Value
Direction Up
Chart Pattern Uptrend
Status
Resistance
Support
Low 160.36
Low Date 01/20/2026
High 202.41
High Date 02/06/2026
Description Value
Direction Up
Chart Pattern Broadening Ascending Wedge
Status Valid
Resistance 201.88
Support 153.30
Low 110.00
Low Date 04/09/2025
High 202.41
High Date 02/06/2026
Quarterly Trend
Yearly Trend
Description Value
Direction Down
Chart Pattern Falling Channel
Status Broken Resistance
Resistance 110.38
Support 44.42
High 319.76
High Date 06/12/2023
Low 110.00
Low Date 04/09/2025
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.