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.

Allogene Therapeutics, Inc. (ALLO) had 60-Day Put-Call Ratio (Volume) of 0.0002 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	1.2672
Historical Volatility (Parkinson)	1.1767
Implied Volatility (Calls)	1.2486
Implied Volatility (Puts)	1.4958
Implied Volatility (Mean)	1.3722
Put-Call Implied Volatility Ratio	1.1980
Implied Volatility Skew	0.3624
Option Statistics
Put-Call Ratio (Volume)	0.0002
Put-Call Ratio (Open Interest)	0.0093