Put-Call Ratio (Volume) (90-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

NAPCO Security Technologies, Inc. (NSSC) had 90-Day Put-Call Ratio (Volume) of 0.0000 for 2026-07-20.

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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4796
Historical Volatility (Parkinson)	0.3921
Implied Volatility (Calls)	0.5566
Implied Volatility (Puts)	0.5083
Implied Volatility (Mean)	0.5325
Put-Call Implied Volatility Ratio	0.9131
Implied Volatility Skew	0.1039
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.6011