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.

First Trust Ultra Short Duration Municipal ETF (FUMB) had 20-Day Implied Volatility Skew of 0.0364 for 2026-01-20.

Over 300 data fields encompassing historical volatility, implied volatility, and put-call ratios for multiple time frames
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Figures for 2026-01-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0084
Historical Volatility (Parkinson)	0.0109
Implied Volatility (Calls)	0.2777
Implied Volatility (Puts)	0.2782
Implied Volatility (Mean)	0.2779
Put-Call Implied Volatility Ratio	1.0019
Implied Volatility Skew	0.0364
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--