Put-Call Ratio (Volume) (150-Day)

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

Annexon, Inc. (ANNX) had 150-Day Put-Call Ratio (Volume) of 2.7819 for 2026-07-20.

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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7128
Historical Volatility (Parkinson)	0.6851
Implied Volatility (Calls)	2.2362
Implied Volatility (Puts)	1.6125
Implied Volatility (Mean)	1.9243
Put-Call Implied Volatility Ratio	0.7211
Implied Volatility Skew	0.1302
Option Statistics
Put-Call Ratio (Volume)	2.7819
Put-Call Ratio (Open Interest)	0.3338