Put-Call Ratio (Volume) (90-Day)

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

Alumis Inc. (ALMS) had 90-Day Put-Call Ratio (Volume) of 12.1032 for 2026-07-20.

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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6727
Historical Volatility (Parkinson)	0.6518
Implied Volatility (Calls)	1.5486
Implied Volatility (Puts)	1.4458
Implied Volatility (Mean)	1.4972
Put-Call Implied Volatility Ratio	0.9336
Implied Volatility Skew	-0.0493
Option Statistics
Put-Call Ratio (Volume)	12.1032
Put-Call Ratio (Open Interest)	0.1279