Put-Call Ratio (Volume) (20-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 20-Day Put-Call Ratio (Volume) of 0.6726 for 2026-09-28.

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Figures for 2026-09-28

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1915
Historical Volatility (Parkinson)	0.2165
Implied Volatility (Calls)	0.2899
Implied Volatility (Puts)	0.2963
Implied Volatility (Mean)	0.2931
Put-Call Implied Volatility Ratio	1.0220
Implied Volatility Skew	0.0559
Option Statistics
Put-Call Ratio (Volume)	0.6726
Put-Call Ratio (Open Interest)	1.0268