Put-Call Ratio (Open Interest) (150-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Astera Labs, Inc. (ALAB) had 150-Day Put-Call Ratio (Open Interest) of 1.1051 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.8601
Historical Volatility (Parkinson)	0.7395
Implied Volatility (Calls)	0.8803
Implied Volatility (Puts)	0.8691
Implied Volatility (Mean)	0.8747
Put-Call Implied Volatility Ratio	0.9872
Implied Volatility Skew	0.0167
Option Statistics
Put-Call Ratio (Volume)	0.1021
Put-Call Ratio (Open Interest)	1.1051