Put-Call Ratio (Volume) (10-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 10-Day Put-Call Ratio (Volume) of 1.5353 for 2026-01-27.

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Figures for 2026-01-27

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2652
Historical Volatility (Parkinson)	0.3362
Implied Volatility (Calls)	0.2730
Implied Volatility (Puts)	0.2405
Implied Volatility (Mean)	0.2567
Put-Call Implied Volatility Ratio	0.8809
Implied Volatility Skew	0.0472
Option Statistics
Put-Call Ratio (Volume)	1.5353
Put-Call Ratio (Open Interest)	1.8700