Put-Call Ratio (Volume) (90-Day)

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

Northrop Grumman Corporation (NOC) had 90-Day Put-Call Ratio (Volume) of 0.3230 for 2025-09-16.

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Figures for 2025-09-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2273
Historical Volatility (Parkinson)	0.1668
Implied Volatility (Calls)	0.2451
Implied Volatility (Puts)	0.2377
Implied Volatility (Mean)	0.2414
Put-Call Implied Volatility Ratio	0.9700
Implied Volatility Skew	0.0355
Option Statistics
Put-Call Ratio (Volume)	0.3230
Put-Call Ratio (Open Interest)	1.0521