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Manufacturing / Biological Products, Except Diagnostic Substances

BIOGEN INC.

BIIB

$223.59

+$3.71 (+1.69%)

Price as of Oct 5, 2026 22:36 UTC

28 B

Market Cap (Large Cap)

52%

IV Rank

39.8%

Implied Volatility

Oct 28

Next Earnings

Technical Signals as of Oct 2
Mixed
4 of 7

Trend

  • Above 20-day average $221.63
  • Above 50-day average $216.05
  • Above 200-day average $194.84 · +12.9%
  • Moving averages stacked 20 > 50 > 200

Momentum

  • Golden cross (50/200) —
  • Momentum cross (20/50) 108d ago

Volume

  • Below-average volume 0.7x 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
Sep 01, 2026 Parini Michael Grant 7,405 $0 +3.5%
Aug 04, 2026 Minor Lloyd Sell 593 $119,169 +11.3%
Aug 03, 2026 Minor Lloyd Sell 593 $120,581 +10.0%
Jun 09, 2026 Minor Lloyd Other 1,505 $0 +12.3%
Jun 09, 2026 Patolawala Monish D Grant 1,505 $0 +12.3%
Jun 09, 2026 Pangalos Menelas N Other 1,505 $0 +12.3%
Jun 09, 2026 Minor Lloyd Grant 1,505 $0 +12.3%
Jun 09, 2026 Pangalos Menelas N Exercise 2,370 $0 +12.3%
Jun 09, 2026 Pangalos Menelas N Grant 1,505 $0 +12.3%
Jun 09, 2026 Pangalos Menelas N Exercise 2,370 $0 +12.3%

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 +14.5%
Jun 02, 2026 Maria Elvira Salazar R Sale $15K-$50K —
May 12, 2026 Maria Elvira Salazar R Purchase $1K-$15K +12.2%
May 11, 2026 Maria Elvira Salazar R Purchase $50K-$100K +13.0%
May 11, 2026 Maria Elvira Salazar R Purchase $1K-$15K +13.0%
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 +21.6%
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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