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NB Bancorp (NBBK) closed at $22.13 on October 30, 2026, down 1.9% from the previous close, on volume of 240,765 shares (30-day average 271,512).

Key numbers
  • Last close: $22.13 (October 30, 2026)
  • 52-week range: $17.16 to $23.47
  • Market value: $970.3 million
  • 30-day implied volatility (IV30): 24.9%
  • Option volume: 11 contracts (1 calls, 10 puts); 30-day average 31

Data as of October 30, 2026.

NBBK Stock Summary and Trading Ideas (NB Bancorp | NASDAQ:NBBK)

Charts for Today's Stock Price and Implied Volatility in NB Bancorp

30-Oct-2026

Stock Price & Volume | Full Chart

30-Day Implied Volatility | IV30 Full Chart

Trade Ideas for Best Option Strategies for NBBK by Theoretical Edge and Win Rates

Sentiment

Trading Statistics

Key Ratios

NB Bancorp (NBBK) Frequently Asked Questions

What does NB Bancorp do?

NB Bancorp Inc operates as the holding company of Needham Bank. The group's business consists of taking deposits from the general public and investing those deposits, together with funds generated from operations, in commercial real estate and multifamily loans, one- to four-family residential real estate loans, construction and land development loans, commercial and industrial loans, consumer loans, and other related services.

What symbol and exchange does NB Bancorp shares trade?

NB Bancorp trades on the NASDAQ stock market under the symbol NBBK.

What is NB Bancorp stock price doing today?

As of October 30, 2026, NBBK stock price declined to $22.13 with 240,765 million shares trading.

What is NB Bancorp's Beta?

NBBK has a beta of 0.27, meaning it tends to be less sensitive to market movements. NBBK has a correlation of 0.02 to the broad based SPY ETF.

How much is NB Bancorp worth?

NBBK has a market cap of $970.32 million. This is considered a Small Cap stock.

How much money does NB Bancorp make?

Last quarter NB Bancorp reported $77 million in Revenue and $.60 earnings per share. This fell short of revenue expectation by $-737,400 and exceeded earnings estimates by $.01.

What are the top ETFs holding NB Bancorp?

The top ETF exchange traded funds that NBBK belongs to (by Net Assets): VTI, IWM, AVUV, FESM, VXF.

Is NB Bancorp (NBBK) a good investment?

NBBK has outperformed the market in the last year with a price return of +24.1% while the SPY ETF gained +12.3%. However, in the short term, NBBK had mixed performance relative to the market. It has underperformed in the last 3 months, returning -2.1% vs +2.1% return in SPY. But in the last 2 weeks, NBBK shares have fared better than the market returning +1.6% compared to SPY -1.0%.

What are the support and resistance levels for NB Bancorp (NBBK)?

NBBK support price is $22.12 and resistance is $23.00 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that NBBK shares will trade within this expected range on the day.

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