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.

CarMax, Inc. (KMX) had 60-Day Historical Volatility (Parkinson) of 0.3328 for 2026-09-25.

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Figures for 2026-09-25

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2795
Historical Volatility (Parkinson)	0.3328
Implied Volatility (Calls)	0.5378
Implied Volatility (Puts)	0.5240
Implied Volatility (Mean)	0.5309
Put-Call Implied Volatility Ratio	0.9744
Implied Volatility Skew	0.0408
Option Statistics
Put-Call Ratio (Volume)	6.5942
Put-Call Ratio (Open Interest)	0.9685