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.

AAON, Inc. (AAON) had 10-Day Historical Volatility (Parkinson) of 0.5053 for 2025-09-26.

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Figures for 2025-09-26

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7343
Historical Volatility (Parkinson)	0.5053
Implied Volatility (Calls)	0.5240
Implied Volatility (Puts)	0.4912
Implied Volatility (Mean)	0.5076
Put-Call Implied Volatility Ratio	0.9375
Implied Volatility Skew	0.0078
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.5574