Vanguard Long-Term Bond ETF (BLV) 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.

Vanguard Long-Term Bond ETF (BLV) operates in the Financial Services sector, specifically the Asset Management - Bonds industry, with a market capitalization near $8.44B, listed on AMEX, carrying a beta of 2.08 to the broader market. Seeks to track the performance of the Bloomberg U. public since 2007-04-10.

Snapshot as of May 15, 2026.

Spot Price
$67.19
ATM IV
9.2%
IV Skew 25Δ
0.023
IV Rank
1.1%
IV Percentile
57.9%
Term Structure Slope
0.003

As of May 15, 2026, Vanguard Long-Term Bond ETF (BLV) at-the-money implied volatility is 9.2%. IV rank is 1.1% (where 0% is the 52-week low and 100% is the 52-week high). IV percentile is 57.9%. The 25-delta skew is +0.023: calls carry premium over puts, indicating upside speculation or squeeze risk. High IV rank typically favors premium-selling strategies; low IV rank favors premium-buying.

BLV Strategy Selection at Current Volatility Levels

For Vanguard Long-Term Bond ETF options at 9.2% ATM IV, low IV rank (1.1%) favors premium-buying or long-vol structures: long calls or puts, debit spreads, calendar spreads, long straddles. The risk: low-rank regimes can persist for months while time decay eats premium-buyers alive. The 25-delta skew tilts to calls, so call-credit spreads or covered-call writes harvest more premium than put-credit spreads of the same width. 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.

Learn how volatility skew is reported and how to read the data →

Frequently asked BLV volatility skew questions

What is the current BLV ATM implied volatility?
As of May 15, 2026, Vanguard Long-Term Bond ETF (BLV) at-the-money implied volatility is 9.2%. IV rank is 1.1% 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 BLV IV high or low historically?
IV is subdued relative to its 1-year history, conditions that typically favor premium-buying strategies (long calls, long puts, debit spreads, calendar spreads).
What does BLV volatility skew tell options traders?
Volatility skew is the pattern by which IV varies across strikes for a given expiration. Vanguard Long-Term Bond ETF shows upside-skewed pricing: 25-delta calls trade richer than 25-delta puts, often reflecting upside speculation or squeeze risk. 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.