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.

Zentalis Pharmaceuticals, Inc. (ZNTL) had 180-Day Put-Call Ratio (Volume) of 0.0000 for 2026-07-17.

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Figures for 2026-07-17

Volatility Metrics
Historical Volatility (Close-to-Close)	1.3307
Historical Volatility (Parkinson)	1.0679
Implied Volatility (Calls)	2.3574
Implied Volatility (Puts)	2.0891
Implied Volatility (Mean)	2.2233
Put-Call Implied Volatility Ratio	0.8862
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.0409