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.

Alector, Inc. (ALEC) 30-Day Put-Call Ratio (Volume) data is not available for 2025-05-30.

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Figures for 2025-05-30

Volatility Metrics
Historical Volatility (Close-to-Close)	1.1254
Historical Volatility (Parkinson)	0.9812
Implied Volatility (Calls)	2.1557
Implied Volatility (Puts)	0.9274
Implied Volatility (Mean)	1.5416
Put-Call Implied Volatility Ratio	0.4302
Implied Volatility Skew	0.7663
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.0088