Historical Volatility (Parkinson) (60-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.

RPC, Inc. (RES) had 60-Day Historical Volatility (Parkinson) of 0.4050 for 2026-04-17.

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Over 300 data fields encompassing historical volatility, implied volatility, and put-call ratios for multiple time frames
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Figures for 2026-04-17

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4481
Historical Volatility (Parkinson)	0.4050
Implied Volatility (Calls)	0.7234
Implied Volatility (Puts)	0.7200
Implied Volatility (Mean)	0.7217
Put-Call Implied Volatility Ratio	0.9952
Implied Volatility Skew	0.2367
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.2681