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.

CEA Industries Inc. (BNC) had 30-Day Historical Volatility (Parkinson) of 0.8565 for 2025-12-04.

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Figures for 2025-12-04

Volatility Metrics
Historical Volatility (Close-to-Close)	1.0628
Historical Volatility (Parkinson)	0.8565
Implied Volatility (Calls)	--
Implied Volatility (Puts)	1.3274
Implied Volatility (Mean)	--
Put-Call Implied Volatility Ratio	--
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	6.1680
Put-Call Ratio (Open Interest)	0.5615