Put-Call Ratio (Volume) (150-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 150-Day Put-Call Ratio (Volume) of 1.4442 for 2026-05-13.

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Figures for 2026-05-13

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3113
Historical Volatility (Parkinson)	0.2804
Implied Volatility (Calls)	0.3153
Implied Volatility (Puts)	0.3105
Implied Volatility (Mean)	0.3129
Put-Call Implied Volatility Ratio	0.9846
Implied Volatility Skew	0.0130
Option Statistics
Put-Call Ratio (Volume)	1.4442
Put-Call Ratio (Open Interest)	1.4100