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.

ProPetro Holding Corp. (PUMP) had 180-Day Historical Volatility (Parkinson) of 0.5352 for 2025-10-17.

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Figures for 2025-10-17

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6246
Historical Volatility (Parkinson)	0.5352
Implied Volatility (Calls)	0.7956
Implied Volatility (Puts)	0.7879
Implied Volatility (Mean)	0.7918
Put-Call Implied Volatility Ratio	0.9904
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--