Implied Volatility Skew (20-Day)
Implied Volatility Skew: A measurement that quantifies the difference in implied volatility of options at lower and higher strike prices.
State Street SPDR MSCI EAFE Fossil Fuel Reserves Free ETF (EFAX) had 20-Day Implied Volatility Skew of 0.0171 for 2026-10-20.
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