Put-Call Ratio (Volume) (30-Day)

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

NB Bancorp, Inc. (NBBK) had 30-Day Put-Call Ratio (Volume) of 10.0000 for 2026-07-22.

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Figures for 2026-07-22

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2349
Historical Volatility (Parkinson)	0.2252
Implied Volatility (Calls)	0.5760
Implied Volatility (Puts)	0.4738
Implied Volatility (Mean)	0.5249
Put-Call Implied Volatility Ratio	0.8226
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	10.0000
Put-Call Ratio (Open Interest)	0.2399