Put-Call Ratio (Volume) (180-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 180-Day Put-Call Ratio (Volume) of 3.4286 for 2026-05-01.

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Figures for 2026-05-01

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2934
Historical Volatility (Parkinson)	0.2640
Implied Volatility (Calls)	0.3178
Implied Volatility (Puts)	0.3025
Implied Volatility (Mean)	0.3101
Put-Call Implied Volatility Ratio	0.9517
Implied Volatility Skew	0.0197
Option Statistics
Put-Call Ratio (Volume)	3.4286
Put-Call Ratio (Open Interest)	1.4983