Put-Call Ratio (Volume) (60-Day)

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

Ziff Davis, Inc. (ZD) 60-Day Put-Call Ratio (Volume) data is not available for 2026-10-21.

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Figures for 2026-10-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2410
Historical Volatility (Parkinson)	0.2714
Implied Volatility (Calls)	0.5425
Implied Volatility (Puts)	0.5038
Implied Volatility (Mean)	0.5232
Put-Call Implied Volatility Ratio	0.9287
Implied Volatility Skew	0.0790
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.3034