Historical Volatility (Parkinson) (180-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.

ProShares On-Demand ETF (OND) had 180-Day Historical Volatility (Parkinson) of 0.0880 for 2026-01-20.

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Figures for 2026-01-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1857
Historical Volatility (Parkinson)	0.0880
Implied Volatility (Calls)	0.2192
Implied Volatility (Puts)	0.2300
Implied Volatility (Mean)	0.2246
Put-Call Implied Volatility Ratio	1.0491
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--