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.

Alumis Inc. (ALMS) had 60-Day Put-Call Ratio (Volume) of 2.0000 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7946
Historical Volatility (Parkinson)	0.6899
Implied Volatility (Calls)	1.0155
Implied Volatility (Puts)	1.0173
Implied Volatility (Mean)	1.0164
Put-Call Implied Volatility Ratio	1.0018
Implied Volatility Skew	0.0828
Option Statistics
Put-Call Ratio (Volume)	2.0000
Put-Call Ratio (Open Interest)	0.9595