Put-Call Ratio (Volume) (120-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

McKesson Corporation (MCK) had 120-Day Put-Call Ratio (Volume) of 0.2463 for 2026-08-21.

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Figures for 2026-08-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3175
Historical Volatility (Parkinson)	0.2719
Implied Volatility (Calls)	0.3139
Implied Volatility (Puts)	0.2807
Implied Volatility (Mean)	0.2973
Put-Call Implied Volatility Ratio	0.8942
Implied Volatility Skew	0.0467
Option Statistics
Put-Call Ratio (Volume)	0.2463
Put-Call Ratio (Open Interest)	0.5471