The Greedy Trader Weekly Analysis
Sign In Aug 15, 2025
Skip Navigation Links
Share
Symbol:  

• Symbol Lookup
• View Technical Chart
• Add to Watch List
• Candlestick Patterns
• Stock Technical Indicators
• Stock Trends Analysis
• Market Sector Rank
• Stock Trading Signals

Archive
- 8/8/2025 -
Sign In to see current Signals.

BIOGEN IDEC INC (BIIB) Technical Analysis

Subscribe to TheGreedyTrader Weekly Alerts
Summary:
Weekly :Oversold sector
Daily :The price has fallen below the Parabolic SAR20 Day Moving Average has crossed below the 50 Day Moving AverageDaily  MACD line has moved above its signal line
Move cursor over the icon to see details.

It was the negative week for the BIOGEN IDEC INC (BIIB). During the week, the BIIB gave back -1.28 points, or -0.97%, and closed at 130.67 on Friday, August 8, 2025. Weekly volume was 10% above average.

BIIB is a member of Health Care Sector. Health Care is the second most oversold 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 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 85.28 and resistance is at 151.25. 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 137.84 on July 9, 2025. BIIB gained -27.84 points, or -25.31%, in 13 weeks. The chart has formed a Symmetric Triangle chart pattern. The trend support level is at 124.61 and resistance is at 135.84. A Symmetric Triangle pattern represents the area of indecision, where the movement direction is questioned. Chart pattern analysis usually considers a symmetric triangle chart pattern as a continuation formation which resolves in the direction of larger trend, but it also may mark the trend reversal. Use the following link to access a Symmetric Triangle chart pattern help, or use a Technical Stock Screener to see the list of stocks with Symmetric Triangle 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 downtrend had started on July 9, 2025 at 137.84 and reached 121.05 on July 21, 2025. BIIB lost 16.79 points, or 12.18%, in 12 days. The chart has formed a Symmetric Triangle chart pattern. The trend support level is at 126.50 and resistance is at 134.53. Use the following link to access a Symmetric Triangle chart pattern help, or use a Technical Stock Screener to see the list of stocks with Symmetric Triangle pattern 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 above its signal line. Such crossover is considered a bullish 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 20 Day Moving Average has crossed below the 50 Day Moving Average. Such crossover is considered a bearish 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) 63.24
Williams' Percentage Range (W%R) 55.10
Lane's Stochastic (%D-Slow) 55.31
Greed/Fear Indicator (GFI) 54.47
Moving Average Converg./Diverg. (MACD) 0.14
Weekly Oscillators
Description Value Status Divergence Chart
Relative Strength Index (RSI) 56.74
Williams' Percentage Range (W%R) 51.40
Lane's Stochastic (%D-Slow) 57.22
Greed/Fear Indicator (GFI) 53.00
Moving Average Converg./Diverg. (MACD) -8.47
Trading Signals
Description Value Chart
Quarterly Trendline Resistance 151.25
Monthly Trendline Resistance 135.84
Parabolic System 135.57
Upper Bollinger Band 135.16
Weekly Trendline Resistance 134.53
Price 130.67
Daily Stochastic Crossing 130.16
50 Day Moving Average 130.06
Weekly Stochastic Crossing 129.62
20 Day Moving Average 129.25
Weekly Trendline Support 126.50
Monthly Trendline Support 124.61
Lower Bollinger Band 124.38
Sector and Industry
Description Name Rank
Sector Health Care 2
Industry Biotechnology 66
Daily Trend
Description Value
Direction Up
Chart Pattern Uptrend
Low 121.05
Low Date 07/21/2025
High 135.43
High Date 07/31/2025
Weekly Trend
Monthly Trend
Description Value
Direction Down
Chart Pattern Symmetric Triangle
Status Valid
Resistance 134.53
Support 126.50
High 137.84
High Date 07/09/2025
Low 121.05
Low Date 07/21/2025
Description Value
Direction Up
Chart Pattern Symmetric Triangle
Status Valid
Resistance 135.84
Support 124.61
Low 110.00
Low Date 04/09/2025
High 137.84
High Date 07/09/2025
Quarterly Trend
Yearly Trend
Description Value
Direction Down
Chart Pattern Falling Channel
Status Valid
Resistance 151.25
Support 85.28
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.