Put-Call Ratio (Volume) (120-Day)

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

Alumis Inc. (ALMS) had 120-Day Put-Call Ratio (Volume) of 1.6601 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	1.4092
Historical Volatility (Parkinson)	0.8735
Implied Volatility (Calls)	1.0201
Implied Volatility (Puts)	1.0804
Implied Volatility (Mean)	1.0502
Put-Call Implied Volatility Ratio	1.0590
Implied Volatility Skew	-0.0302
Option Statistics
Put-Call Ratio (Volume)	1.6601
Put-Call Ratio (Open Interest)	0.4539