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 1.1255 for 2025-10-20.

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Figures for 2025-10-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2261
Historical Volatility (Parkinson)	0.1772
Implied Volatility (Calls)	0.2537
Implied Volatility (Puts)	0.2529
Implied Volatility (Mean)	0.2533
Put-Call Implied Volatility Ratio	0.9971
Implied Volatility Skew	0.0158
Option Statistics
Put-Call Ratio (Volume)	1.1255
Put-Call Ratio (Open Interest)	0.8368