Put-Call Ratio (Volume) (30-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 30-Day Put-Call Ratio (Volume) of 0.4039 for 2026-09-25.

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Figures for 2026-09-25

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1965
Historical Volatility (Parkinson)	0.2127
Implied Volatility (Calls)	0.2799
Implied Volatility (Puts)	0.2995
Implied Volatility (Mean)	0.2897
Put-Call Implied Volatility Ratio	1.0697
Implied Volatility Skew	0.0291
Option Statistics
Put-Call Ratio (Volume)	0.4039
Put-Call Ratio (Open Interest)	1.0533