Historical Volatility (Parkinson) (30-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.

Tessera Defense and Homeland Security Inc. (HLSQ) had 30-Day Historical Volatility (Parkinson) of 1.7755 for 2026-11-02.

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Figures for 2026-11-02

Volatility Metrics
Historical Volatility (Close-to-Close)	1.5538
Historical Volatility (Parkinson)	1.7755
Implied Volatility (Calls)	--
Implied Volatility (Puts)	--
Implied Volatility (Mean)	--
Put-Call Implied Volatility Ratio	--
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--