Historical Volatility (Parkinson) (10-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 10-Day Historical Volatility (Parkinson) of 0.6679 for 2025-10-17.

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Figures for 2025-10-17

Volatility Metrics
Historical Volatility (Close-to-Close)	0.8432
Historical Volatility (Parkinson)	0.6679
Implied Volatility (Calls)	0.8593
Implied Volatility (Puts)	1.1835
Implied Volatility (Mean)	1.0214
Put-Call Implied Volatility Ratio	1.3773
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--