Vanguard S&P 500 ETF (VOO) 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.

Snapshot as of Apr 21, 2026.

Spot Price

$646.61

ATM IV

16.8%

IV Skew 25Δ

0.05

As of Apr 21, 2026, Vanguard S&P 500 ETF (VOO) at-the-money implied volatility is 16.8%. The 25-delta skew is +0.054 — 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.