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 0.1195 for 2026-04-01.

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Figures for 2026-04-01

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2521
Historical Volatility (Parkinson)	0.2516
Implied Volatility (Calls)	0.3318
Implied Volatility (Puts)	0.3283
Implied Volatility (Mean)	0.3301
Put-Call Implied Volatility Ratio	0.9894
Implied Volatility Skew	0.0685
Option Statistics
Put-Call Ratio (Volume)	0.1195
Put-Call Ratio (Open Interest)	0.7119