Implied Volatility Skew (30-Day)

Implied Volatility Skew: A measurement that quantifies the difference in implied volatility of options at lower and higher strike prices.

SPDR Portfolio Mortgage Backed Bond ETF (SPMB) 30-Day Implied Volatility Skew data is not available for 2025-08-28.

Over 300 data fields encompassing historical volatility, implied volatility, and put-call ratios for multiple time frames
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Up to 20 years of data history
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Figures for 2025-08-28

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0465
Historical Volatility (Parkinson)	0.0308
Implied Volatility (Calls)	0.2545
Implied Volatility (Puts)	0.2651
Implied Volatility (Mean)	0.2598
Put-Call Implied Volatility Ratio	1.0416
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.8406