BIIB Gamma Exposure, IV Rank & Implied Volatility
Biogen Inc. (BIIB) options data — GEX, IV rank, options chain & Greeks
BIIB options trade with implied volatility typically in the 40% - 100% range, averaging 50K+ contracts in daily volume with moderate liquidity. Next earnings: Check earnings calendar. Weekly options and LEAPS are available.
As of 2026-06-18, BIIB's 30-day implied volatility is 35.3%, placing its IV rank at 74.0 — the 74.0th percentile of its 52-week range, an elevated, premium-selling regime favoring credit spreads, iron condors and short strangles.
Comprehensive options market data for Biogen Inc.
BIIB Options at a Glance
What's Covered in This Guide
1 About Biogen Inc. (BIIB)
Biogen Inc. trades on NASDAQ. Options on BIIB are actively traded by retail and institutional investors.
Company Profile
Key Dates
BIIB is an actively traded options name in the Biotechnology space.
2 BIIB Options Market Overview
BIIB options offer moderate liquidity for traders seeking exposure to Biotechnology.
Liquidity Assessment: Moderate
BIIB options provide moderate liquidity for most trading strategies.
3 BIIB Implied Volatility & IV Rank
BIIB implied volatility reflects market expectations for Biogen Inc. price movement.
Earnings Impact
IV typically increases before earnings and contracts afterward (IV crush).
The post-earnings volatility drop is known as IV crush. Holders of short BIIB options should also understand early assignment risk around dividends and expiration.
Historical Volatility vs IV
Compare IV to historical volatility to assess option pricing relative to realized moves.
Term Structure
Term structure varies with market conditions and upcoming events.
BIIB Gamma Exposure (GEX)
Gamma Exposure (GEX) analysis for BIIB shows how dealer hedging may impact price behavior.
Typical GEX Profile: GEX profile varies based on market conditions and option positioning.
Key Levels: Major put and call walls at round number strikes may act as support/resistance.
Dealer Hedging: Dealer hedging activity can influence price behavior at key gamma levels.
4 Common BIIB Options Strategies
These are strategies commonly used by traders on BIIB options, based on typical market characteristics. This is not investment advice.
Used by BIIB traders for volatility exposure. Moderate liquidity supports efficient execution.
Used by BIIB traders for directional exposure. Moderate liquidity supports efficient execution.
Used by BIIB traders for neutral exposure. Moderate liquidity supports efficient execution.
Used by BIIB traders for volatility exposure. Moderate liquidity supports efficient execution.
Used by BIIB traders for precision exposure. Moderate liquidity supports efficient execution.
Key Considerations for BIIB Options
- BIIB options liquidity: Moderate - affects execution quality
- IV range: 40% - 100% - important for premium selling strategies
- Earnings events can significantly impact IV and option prices
- Consider position sizing based on underlying volatility
- Weekly options available for short-term strategies
- LEAPS available for longer-term positioning
Frequently Asked Questions: BIIB Options
What are BIIB options?
BIIB options are derivative contracts that give you the right to buy (call) or sell (put) Biogen Inc. shares at a specific price before expiration.
How do I analyze BIIB implied volatility?
BIIB IV typically ranges from 40% - 55% during quiet periods to 75% - 100% around earnings and major events. Compare current IV to historical ranges to assess relative value.
What is the typical bid-ask spread for BIIB options?
BIIB options have moderate liquidity with typical spreads varying by strike and expiration. ATM options generally have tighter spreads.
When does BIIB report earnings?
Biogen Inc. typically reports earnings quarterly. Check the earnings calendar for exact dates as IV tends to increase before announcements.
What strategies work best for BIIB options?
Popular BIIB strategies include straddles, vertical spreads, and iron condors. Strategy selection depends on market outlook and risk tolerance.
What is the best time to trade BIIB options?
The most liquid trading hours for BIIB options are typically during regular market hours (9:30 AM - 4:00 PM ET), with highest volume around market open and close.
How do I calculate BIIB option Greeks?
Use our free Options Calculator or Greeks Heatmap tool to calculate delta, gamma, theta, vega and other Greeks for BIIB options across all strikes and expirations.
What happens to BIIB options at expiration?
In-the-money BIIB options are typically auto-exercised at expiration. Out-of-the-money options expire worthless. Consider closing positions before expiration to avoid assignment risk.
What is BIIB's gamma exposure (GEX)?
Gamma exposure (GEX) measures how options dealers' hedging of their net gamma position can influence BIIB's intraday price action. GEX profile varies based on market conditions and option positioning. Dealer hedging activity can influence price behavior at key gamma levels. Positive GEX tends to dampen volatility and create mean-reverting moves, while negative GEX can amplify swings. View live BIIB GEX levels and the gamma-flip point on ApexVol.
What is BIIB's IV rank?
BIIB's IV rank shows where BIIB's current implied volatility sits within its trailing 1-year range, scored 0–100. A reading near 100 means IV is near its yearly high — options are relatively expensive, which favors premium-selling strategies like credit spreads and iron condors. A reading near 0 means IV is near its yearly low, favoring premium-buying. BIIB implied volatility typically ranges from 40% - 100%. Check BIIB's live IV rank and percentile on ApexVol's IV analytics.
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