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.

OmniAb, Inc. (OABI) 180-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)	0.8605
Historical Volatility (Parkinson)	0.7687
Implied Volatility (Calls)	0.6882
Implied Volatility (Puts)	1.1134
Implied Volatility (Mean)	0.9008
Put-Call Implied Volatility Ratio	1.6179
Implied Volatility Skew	0.2368
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.1053