Put-Call Ratio (Volume) (180-Day)

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

Merck & Co., Inc. (MRK) had 180-Day Put-Call Ratio (Volume) of 0.2706 for 2025-04-23.

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Figures for 2025-04-23

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2852
Historical Volatility (Parkinson)	0.2536
Implied Volatility (Calls)	0.3590
Implied Volatility (Puts)	0.3512
Implied Volatility (Mean)	0.3551
Put-Call Implied Volatility Ratio	0.9785
Implied Volatility Skew	0.0281
Option Statistics
Put-Call Ratio (Volume)	0.2706
Put-Call Ratio (Open Interest)	2.6558