Historical Volatility (Parkinson) (60-Day)

Historical Volatility (Parkinson): The past volatility of the security over the selected time frame, calculated using the high and low prices on each trading day.

State Street SPDR Portfolio Intermediate Term Corporate Bond ETF (SPIB) had 60-Day Historical Volatility (Parkinson) of 0.0166 for 2026-01-20.

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Figures for 2026-01-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0201
Historical Volatility (Parkinson)	0.0166
Implied Volatility (Calls)	0.0413
Implied Volatility (Puts)	--
Implied Volatility (Mean)	--
Put-Call Implied Volatility Ratio	--
Implied Volatility Skew	0.0395
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.0000