Put-Call Ratio (Volume) (30-Day)

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

ALX Oncology Holdings Inc. (ALXO) 30-Day Put-Call Ratio (Volume) data is not available for 2026-10-19.

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Figures for 2026-10-19

Volatility Metrics
Historical Volatility (Close-to-Close)	1.2764
Historical Volatility (Parkinson)	1.1588
Implied Volatility (Calls)	2.9636
Implied Volatility (Puts)	4.3828
Implied Volatility (Mean)	3.6732
Put-Call Implied Volatility Ratio	1.4789
Implied Volatility Skew	0.7037
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.0014