Boston Scientific Corporation (BSX) Volatility Skew
Implied volatility skew shows how IV varies across strike prices for a given expiration. Steeper skews indicate higher demand for downside protection relative to upside speculation.
Boston Scientific Corporation (BSX) operates in the Healthcare sector, specifically the Medical - Devices industry, with a market capitalization near $63.97B, listed on NYSE, employing roughly 59,000 people, carrying a beta of 0.58 to the broader market. Boston Scientific Corporation (BSX) operates as a global leader in medical technology, specializing in the design, manufacturing, and commercialization of innovative medical devices tailored for a diverse array of interventional medical specialties across the globe. Led by Michael F. Mahoney, public since 1992-05-19.
Snapshot as of Jul 15, 2026.
- Spot Price
- $43.14
- ATM IV
- 55.0%
- IV Skew 25Δ
- 0.006
- IV Rank
- 100.0%
- IV Percentile
- 100.0%
- Term Structure Slope
- -0.027
As of Jul 15, 2026, Boston Scientific Corporation (BSX) at-the-money implied volatility is 55.0%. IV rank is 100.0% (where 0% is the 52-week low and 100% is the 52-week high). IV percentile is 100.0%. The 25-delta skew is +0.006: skew is roughly flat across the 25-delta wings. High IV rank typically favors premium-selling strategies; low IV rank favors premium-buying.
BSX Strategy Selection at Current Volatility Levels
For Boston Scientific Corporation options at 55.0% ATM IV, high IV rank (100.0%) favors premium-selling structures: credit spreads, iron condors, covered calls, cash-secured puts. The risk: a continued vol expansion through high-rank levels is rare but expensive when it happens. Pair the vol-rank read with the dealer-gamma view and the upcoming-events calendar to confirm the strategy fits both the structural regime and the path-dependent risk. The variance risk premium - the persistent gap between implied and subsequently realized vol - is positive in equity markets on average; high IV rank typically reflects a stretch where the premium is wider than usual.
How to read the BSX volatility surface
ATM IV currently prints at 55.0%, 100.0% IV rank, against 33.1% realized over the trailing 20 trading days. Implied is pricing above realized by 21.9 vol points, the typical variance-risk-premium positive state in which premium sellers earn the gap. Skew is roughly flat at 0.006, indicating balanced tail-risk pricing. The term-structure slope of -0.027 is inverted (backwardation) - near-dated IV trades above longer-dated, signaling acute near-term event risk.
BSX IV rank and the variance risk premium
BSX sits in the top quartile of its 1-year IV range (rank 100.0%). High-IV-rank regimes are statistically the best premium-selling environments - covered calls, cash-secured puts, credit spreads, and iron condors all collect more premium for the same notional risk. The risk: a continued vol expansion through high-rank levels is rare but very expensive when it happens; size positions to the implied move, not the historical range. Compared with 60-day realized HV of 47.6%, current ATM IV is 7.4 vol points rich.
Trading vol on BSX: practical notes
The variance risk premium - the persistent gap between implied and subsequently realized volatility - is positive on equity-market averages, which is why premium-selling carries a long-run edge. But the edge is averaged across a distribution; individual realizations can blow past the implied move in either direction. BSX front-month expiration sits at 30 days; near-dated structures get the highest theta decay but also the largest gamma sensitivity, so the same vol-rank read translates into very different structures at 7 DTE vs 45 DTE. Pair the rank read with the dealer-gamma view, the term-structure shape, and the upcoming-event calendar to confirm the trade fits both the structural regime and the path-dependent risk. Risk-defined structures (credit/debit spreads, condors, butterflies) are usually safer than naked positions when the regime is uncertain.
BSX volatility surface: linking strikes to tenors
The skew-by-strike chart higher up and the term-structure-by-DTE chart together describe the BSX implied-volatility surface - the two-dimensional grid of IV across strike and expiration that determines every option premium on the chain. Currently the 25-delta skew is 0.006 and the term-structure slope is -0.027, a combination that is a mixed-signal regime where the strike and tenor dimensions are not pricing risk in the same direction, often a transition state between regimes. Term structure tells you when the market expects the action; skew tells you which direction. Combined with the 100.0% IV rank, the surface gives a complete read on whether BSX options are cheap, fair, or expensive across both dimensions. Practitioners watch surface dynamics (skew steepening, term-structure inversion) alongside level (IV rank) - level moves are common but surface shape changes typically signal regime-level shifts in how the chain is being positioned.
For BSX specifically, the surface read fits into a broader options-trading toolkit. Single-leg directional positions (long calls or puts) depend almost entirely on level: cheap IV at any skew/term shape favors buyers, rich IV favors sellers. Risk-defined spreads (vertical credit/debit spreads, iron condors, butterflies) depend on both level and skew: put-skewed surfaces make put-side credit spreads collect more premium per width than call-side, and the asymmetry can compound or offset the directional thesis. Calendar and diagonal spreads depend on term shape: contango makes long-back-month / short-front-month structures cheaper to put on but harder to harvest theta from quickly. Pair the surface read with the dealer-gamma view, the upcoming-event calendar, and the underlying-trend context to choose the strike, the tenor, and the structure family that match both the regime and the conviction level.
Learn how volatility skew is reported and how to read the data →
BSX highest implied-volatility contracts
| Type | Strike | Expiration | Volume | OI | IV | Bid | Ask |
|---|---|---|---|---|---|---|---|
| CALL | $67.50 | Dec 18, 2026 | 19 | 111.7K | 49.1% | $0.60 | $0.85 |
| CALL | $85.00 | Dec 18, 2026 | 1.1K | 108.1K | 52.3% | $0.15 | $0.30 |
Top 2 contracts from the institutional-grade nightly options scan; ranked by iv within the broader S&P 500/400/600 + ETF universe.
Frequently asked BSX volatility skew questions
- What is the current BSX ATM implied volatility?
- As of Jul 15, 2026, Boston Scientific Corporation (BSX) at-the-money implied volatility is 55.0%. IV rank is 100.0% on a 0-100% scale anchored to the 1-year IV range. ATM IV is the volatility input that makes a Black-Scholes-equivalent model reproduce the listed at-the-money option prices.
- Is BSX IV high or low historically?
- IV is elevated relative to its 1-year history, conditions that typically favor premium-selling strategies (credit spreads, iron condors, covered calls).
- What does BSX volatility skew tell options traders?
- Volatility skew is the pattern by which IV varies across strikes for a given expiration. Boston Scientific Corporation skew is roughly flat across the 25-delta wings. Skew matters for risk-defined strategy selection: when downside puts are rich, put-credit spreads capture more premium; when upside calls are rich, call-credit spreads or covered-call writes harvest more.