Put-Call Ratio (Open Interest) (180-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.

Allegro MicroSystems, Inc. (ALGM) had 180-Day Put-Call Ratio (Open Interest) of 0.5070 for 2026-05-04.

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Figures for 2026-05-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5790
Historical Volatility (Parkinson)	0.4812
Implied Volatility (Calls)	0.6507
Implied Volatility (Puts)	0.6533
Implied Volatility (Mean)	0.6520
Put-Call Implied Volatility Ratio	1.0040
Implied Volatility Skew	0.0157
Option Statistics
Put-Call Ratio (Volume)	0.0037
Put-Call Ratio (Open Interest)	0.5070