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 0.7733 for 2025-12-31.

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Figures for 2025-12-31

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2023
Historical Volatility (Parkinson)	0.1679
Implied Volatility (Calls)	0.2111
Implied Volatility (Puts)	0.1835
Implied Volatility (Mean)	0.1973
Put-Call Implied Volatility Ratio	0.8691
Implied Volatility Skew	-0.0099
Option Statistics
Put-Call Ratio (Volume)	0.7733
Put-Call Ratio (Open Interest)	1.0999