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.

AAON, Inc. (AAON) had 60-Day Historical Volatility (Parkinson) of 0.5152 for 2026-04-14.

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Figures for 2026-04-14

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5246
Historical Volatility (Parkinson)	0.5152
Implied Volatility (Calls)	0.6554
Implied Volatility (Puts)	0.6183
Implied Volatility (Mean)	0.6369
Put-Call Implied Volatility Ratio	0.9434
Implied Volatility Skew	0.0649
Option Statistics
Put-Call Ratio (Volume)	0.0600
Put-Call Ratio (Open Interest)	0.2964