NB Bancorp (NBBK)'s 30-day implied volatility (IV30) was 28.6% at the close on November 6, 2026, down from 29.4% the day before, against a 52-week range of 18.4% to 35.8%. Its 20-day historical volatility was 32.0%.
Key numbers
30-day implied volatility (IV30): 28.6%
IV30 52-week range: 18.4% to 35.8% (median 27.0%)
Historical volatility: 20-day 32.0%, 1-year 29.0%
Implied move by the nearest expiration: ±1.9%
Data as of November 6, 2026.
NBBK Implied Volatility (IV) vs Historical Volatility (HV)
The NBBK IV term structure shows the implied volatility difference between different maturity dates.