Historical Volatility (Parkinson) (20-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.

BondBloxx USD High Yield Bond Sector Rotation ETF (HYSA) had 20-Day Historical Volatility (Parkinson) of 0.0783 for 2026-01-20.

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Figures for 2026-01-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0402
Historical Volatility (Parkinson)	0.0783
Implied Volatility (Calls)	0.2118
Implied Volatility (Puts)	0.2791
Implied Volatility (Mean)	0.2455
Put-Call Implied Volatility Ratio	1.3180
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--