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.

Northrop Grumman Corporation (NOC) had 150-Day Put-Call Ratio (Volume) of 0.1836 for 2026-08-12.

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Figures for 2026-08-12

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2788
Historical Volatility (Parkinson)	0.2518
Implied Volatility (Calls)	0.2950
Implied Volatility (Puts)	0.2882
Implied Volatility (Mean)	0.2916
Put-Call Implied Volatility Ratio	0.9769
Implied Volatility Skew	0.0177
Option Statistics
Put-Call Ratio (Volume)	0.1836
Put-Call Ratio (Open Interest)	1.1039