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.

Invesco RAFI US 1500 Small-Mid ETF (PRFZ) had 20-Day Implied Volatility Skew of 0.0959 for 2026-07-20.

Over 300 data fields encompassing historical volatility, implied volatility, and put-call ratios for multiple time frames
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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1110
Historical Volatility (Parkinson)	0.1288
Implied Volatility (Calls)	0.2591
Implied Volatility (Puts)	0.2410
Implied Volatility (Mean)	0.2501
Put-Call Implied Volatility Ratio	0.9304
Implied Volatility Skew	0.0959
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--