BIIB technical analysis
BIIB Technical Analysis
Analysis date
July 14, 2026
Market
NasdaqGS (USD)
Daily cutoff
July 13, 2026
Reliability
Passed
Informational use only. This page is not investment advice.
Data verification
BIIB Data Verification
Cross-validating the latest completed daily bar across independent sources.
- Symbol
- BIIB
- Market
- NasdaqGS
- Currency
- USD (US Dollar)
- Latest completed bar
- July 13, 2026
No adjustment factor (adjusted close equals raw close, factor 1.0). No stock splits or dividend adjustments affecting the analysis period.
| Source | Latest Close | Date | Difference | Status |
|---|---|---|---|---|
| Yahoo Finance Chart API (primary) | 209.03 | July 13, 2026 | - | Verified |
| Finviz (independent) | 209.03 | July 13, 2026 (previous close) | 0.00% | Verified |
Bottom line
BIIB Technical Analysis Summary
BIIB shows a strong daily uptrend with price trading above all key moving averages (SMA20, SMA50, SMA200), supported by above-average volume on the recent +4.96% gain. The daily RSI at 56.35 indicates neutral-to-bullish momentum without overbought conditions, while the MACD histogram at -0.93 signals near-term momentum deceleration. The weekly timeframe presents a mixed picture: price is above SMA20 and SMA50 but below the SMA200 (209.47), indicating the long-term trend has not fully reversed. Weekly momentum remains constructive with a positive MACD histogram at 0.96. Key resistance sits at 219.72 (20-day and 60-day high), while support lies at 193.20 (20-day low) and 174.85 (60-day low). A break above 219.72 would signal strong upside continuation; a breakdown below SMA50 (197.78) could suggest a deeper correction.
Multi-timeframe dashboard
Multi-Timeframe Technical Dashboard
Comparing daily (2-year) and weekly (5-year) perspectives to identify aligned or conflicting signals.
Daily (July 13, 2026)
- Trend
- Bullish. Price at 209.03 is above SMA20 (204.21), SMA50 (197.78), and SMA200 (179.46) with all SMAs sloping upward. The SMA50 crossed above SMA200, a bullish golden cross signal, and price trades well above this level.
- Momentum
- Neutral with fading upside momentum. RSI14 at 56.35 is above the neutral 50 level, indicating mild bullish bias without reaching overbought territory. MACD (2.36) is above zero but the histogram at -0.93 is negative, signaling short-term deceleration.
- Volatility
- Moderate. ATR14 at 7.09 (3.39% of price) suggests average daily movement of about 3.4%. Bollinger Bands (189.88 to 218.53) are moderately wide with price near the upper band, reflecting the recent upward move.
- Volume
- Above average. Latest volume of 2,258,900 is 164.9% of the 20-period average (1,369,420), indicating strong participation on the latest trading day.
Assessment
Daily chart shows a solid uptrend with confirmed bullish structure. The above-average volume on the +4.96% gain day suggests institutional buying. The negative MACD histogram warrants monitoring, but the trend remains bullish above SMA20 (204.21).
Weekly (July 6, 2026 week)
- Trend
- Mixed. Price at 199.15 is above SMA20 (191.10) and SMA50 (173.45) but below SMA200 (209.47). The SMA200 still slopes downward, indicating the multi-year downtrend has not fully reversed despite the strong rally.
- Momentum
- Bullish. RSI14 at 56.51 is above neutral and trending up. MACD at 9.00 with signal at 8.05 and histogram positive at 0.96 confirms ongoing bullish momentum on the weekly timeframe.
- Volatility
- Moderate to elevated. ATR14 at 13.32 (6.69% of price) reflects wider weekly ranges, consistent with the trending phase.
- Volume
- Above average. Weekly volume of 7,113,400 is 127.9% of the 20-week average (5,563,180), indicating healthy participation.
Assessment
Weekly momentum is constructive with RSI above 50 and a positive MACD histogram. The key missing piece is price reclaiming the SMA200 (209.47), which would confirm a full trend reversal. Until then, the weekly trend is best described as recovering rather than fully bullish.
Key indicators
BIIB Key Technical Indicators
RSI, MACD, moving averages, ATR, and Bollinger Bands across daily and weekly timeframes.
| Indicator | Daily | Weekly |
|---|---|---|
| RSI (14) | 56.35 | 56.51 |
| MACD (12, 26, 9) | 2.36 / 3.29 / -0.93 | 9.00 / 8.05 / 0.96 |
| ATR (14) | 7.09 (3.39%) | 13.32 (6.69%) |
| Bollinger Bands (20, 2) | 189.88 - 218.53 | 168.63 - 213.58 |
| SMA (20) | 204.21 | 191.10 |
| SMA (50) | 197.78 | 173.45 |
| SMA (200) | 179.46 | 209.47 |
Price structure
BIIB Price Structure and Returns
Price performance across multiple lookback periods and 52-week position.
| Metric | Daily | Weekly |
|---|---|---|
| Current Price | 209.03 | 199.15 |
| 1-Period Return | +4.96% | -7.85% |
| 5-Period Return | +0.27% | +1.95% |
| 20-Period Return | +4.54% | +3.71% |
| 60-Period Return | +15.78% | +58.57% |
| 252-Period Return | +54.46% | -33.57% |
| 52-Week Low | 121.05 | 121.05 |
| 52-Week High | 219.72 | 219.72 |
| 52-Week Position | 89.17% | 79.15% |
Key levels
BIIB Support and Resistance Levels
Key price levels based on recent swing highs and lows across daily and weekly timeframes.
| Level | Daily | Weekly |
|---|---|---|
| 20-Period High | 219.72 | 219.72 |
| 20-Period Low | 193.20 | 168.64 |
| 60-Period High | 219.72 | 219.72 |
| 60-Period Low | 174.85 | 121.05 |
Scenarios
BIIB Technical Scenarios
Conditions, invalidation triggers, and what to watch for each scenario.
Bullish
Trigger
Price breaks above 219.72 (20-day / 60-day high / 52-week high) with increasing volume.
Invalidation
Price falls back below SMA50 (197.78) on the daily chart.
What to watch
Sustained price action above SMA20 (204.21); daily MACD histogram turning positive.
Range-Bound
Trigger
Price oscillates between 193.20 (20-day low) and 219.72 (20-day high).
Invalidation
A decisive break of either boundary with increasing volume.
What to watch
RSI staying between 45 and 60; weekly SMA200 (209.47) acting as resistance.
Bearish
Trigger
Price breaks below 193.20 (20-day low) and then the 60-day low at 174.85.
Invalidation
Price reclaims the SMA20 (204.21) and holds above it.
What to watch
Sustained closes below SMA50 (197.78); increasing downside volume.
Methodology
Methodology and Limitations
This technical analysis uses adjusted closing prices from Yahoo Finance (primary) and Finviz (independent cross-validation). The daily analysis covers approximately 2 years (500 completed bars) ending July 13, 2026. The weekly analysis covers approximately 5 years (261 completed bars) ending the week of July 6, 2026. Prices are adjusted for dividends and stock splits using the adjusted close/raw close ratio. Volume data is from the primary source and may not match other data providers. Technical indicators include SMA, RSI, MACD, ATR, and Bollinger Bands using standard parameters. Key levels are identified from recent swing highs and lows. Technical analysis studies historical price patterns and does not constitute investment advice. It should not be used as the sole basis for trading decisions.
Frequently Asked Questions
This technical analysis is for informational and educational purposes only. It does not constitute investment advice, a recommendation, or a solicitation to buy or sell any security. Past performance and historical patterns are not guarantees of future results. All investments carry risk, including the potential loss of principal. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data sourced from Yahoo Finance (primary) and Finviz (independent cross-validation). Data cutoffs: daily July 13, 2026, weekly July 6, 2026 week. Generated July 14, 2026.
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