Manufacturing / Biological Products, Except Diagnostic Substances
BIOGEN INC.
BIIB
$215.22
-$3.55 (-1.62%)
Price as of Sep 18, 2026 22:05 UTC
28 B
Market Cap (Large Cap)
52%
IV Rank
39.8%
Implied Volatility
Oct 28
Next Earnings
Technical Signals
as of Sep 16
Mixed
3 of 7
Trend
- Above 20-day average $215.87
- Above 50-day average $211.20
- Above 200-day average $191.03 · +13.1%
- Moving averages stacked 20 > 50 > 200
Momentum
- Golden cross (50/200) —
- Momentum cross (20/50) 96d ago
Volume
- Below-average volume 0.8x avg
Price & Trend
Daily candles with EMA 20, SMA 50. Drag to zoom.
Options Activity & Greeks
Implied volatility, flow, and dealer positioning from the options market.
Put/Call Ratio
0.32
Bullish skew
Implied Volatility
39.8%
1% percentile
IV vs Realized
Options cheap
30d HV 44.9%
Options Heat Map
Delta-risk grid for BIIB options across strikes and expirations. Hover any cell for full Greeks.
Loading option chain data...
Insider Trades
2 buys
7 sells
| Date | Insider | Title | Type | Shares | Value | Since Trade |
|---|---|---|---|---|---|---|
| Aug 04, 2026 | Minor Lloyd | Sell | 593 | $119,169 | +7.2% | |
| Aug 03, 2026 | Minor Lloyd | Sell | 593 | $120,581 | +6.0% | |
| Jun 09, 2026 | Patolawala Monish D | Grant | 1,505 | $0 | +8.2% | |
| Jun 09, 2026 | SHERWIN STEPHEN A | Other | 1,505 | $0 | +8.2% | |
| Jun 09, 2026 | Rowinsky Eric K | Other | 1,505 | $0 | +8.2% | |
| Jun 09, 2026 | Freire Maria C | Other | 2,005 | $0 | +8.2% | |
| Jun 09, 2026 | Mantas Jesus B | Other | 1,505 | $0 | +8.2% | |
| Jun 09, 2026 | LANGER SUSAN | Other | 1,505 | $0 | +8.2% | |
| Jun 09, 2026 | Pangalos Menelas N | Other | 2,370 | $0 | +8.2% | |
| Jun 09, 2026 | Pangalos Menelas N | Other | 1,505 | $0 | +8.2% |
Politician Trades in BIIB
| Date | Politician | Party | Type | Amount | Since Buy |
|---|---|---|---|---|---|
| Aug 18, 2026 | Kevin Hern | R | Sale | $1K-$15K | — |
| Jun 05, 2026 | Gilbert Cisneros | Purchase | $1K-$15K | +10.3% | |
| Jun 02, 2026 | Maria Elvira Salazar | R | Sale | $15K-$50K | — |
| May 12, 2026 | Maria Elvira Salazar | R | Purchase | $1K-$15K | +8.1% |
| May 11, 2026 | Maria Elvira Salazar | R | Purchase | $1K-$15K | +8.9% |
| May 11, 2026 | Maria Elvira Salazar | R | Purchase | $50K-$100K | +8.9% |
| Apr 13, 2026 | Rohit Khanna | Purchase | $1K-$15K | — | |
| Apr 13, 2026 | Ro Khanna | D | Sale | $1K-$15K | — |
| Mar 27, 2026 | Alan Armstrong | Republican | Purchase | $1K-$15K | +17.2% |
| Feb 06, 2026 | Ro Khanna | D | Sale | $1K-$15K | — |
Earnings History
| Date | Quarter | EPS Est. | EPS Actual | Surprise | Result |
|---|---|---|---|---|---|
| Jul 29, 2026 | Q2 2026 | $3.05 | |||
| Jul 16, 2026 | Q2 2026 | $3.26 | |||
| Jun 30, 2026 | Q2 2026 | $3.05 | $3.60 | +18.0% | Beat |
| Mar 31, 2026 | Q1 2026 | $2.83 | $3.57 | +26.3% | Beat |
| Dec 31, 2025 | Q4 2025 | $1.65 | $1.99 | +20.9% | Beat |
| Sep 30, 2025 | Q3 2025 | $3.96 | $4.81 | +21.5% | Beat |
| Jun 30, 2025 | Q2 2025 | $3.94 | $5.47 | +38.9% | Beat |
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