NB Bancorp (NBBK) Stock Chart & Stock Price History $16.89 -0.34 (-1.97%) Closing price 08/1/2025 04:00 PM EasternExtended Trading$16.89 0.00 (0.00%) As of 08/1/2025 04:04 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock NB Bancorp Stock Price Performance The NB Bancorp (NBBK) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 2.26%, with a year-to-date return of -6.48%. In the past month, the stock has decreased 9.34%, reflecting recent market activity. As of the latest close, NB Bancorp traded at $16.89 with a market cap of $685.23 million and volume of 247,233 shares. 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Email Address 5 Day Performance-7.96%1 Month Performance-9.34%3 Month Performance-3.26%Year-To-Date Performance-6.48%1 Year Performance-2.26% NBBK Stock Chart for Saturday, August, 2, 2025 NBBK Chart by TradingView NB Bancorp Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization08/01/2025$17.23$16.89-1.97%$17.27$16.76247,233 shs$685.23 million07/31/2025$17.47$17.23-1.37%$17.52$17.22166,857 shs$699.02 million07/30/2025$17.99$17.47-2.89%$18.07$17.46179,573 shs$708.76 million07/29/2025$18.35$17.99-1.96%$18.53$17.98146,689 shs$729.85 million07/28/2025$18.46$18.35-0.60%$18.70$18.09150,542 shs$744.46 million07/25/2025$18.79$18.46-1.76%$18.64$18.24268,922 shs$748.92 million07/24/2025$18.12$18.79+3.70%$19.42$18.60357,934 shs$762.31 million07/23/2025$18.47$18.12-1.89%$18.58$17.87167,481 shs$735.13 million07/22/2025$18.54$18.47-0.38%$18.77$18.45205,872 shs$749.33 million07/21/2025$18.38$18.54+0.87%$18.76$18.42176,252 shs$752.17 million Get the Latest News and Ratings for NBBK and Related StocksEnter your email address below to receive the latest news and analysts' ratings for NB Bancorp and its competitors with MarketBeat's FREE daily newsletter. 07/18/2025$18.45$18.38-0.38%$18.58$18.24182,693 shs$745.68 million07/17/2025$18.28$18.45+0.93%$18.51$18.27158,111 shs$748.52 million07/16/2025$18.80$18.28-2.77%$19.02$18.18218,362 shs$741.62 million07/15/2025$19.26$18.80-2.39%$19.34$18.79305,446 shs$762.72 million07/14/2025$18.98$19.26+1.48%$19.27$18.94343,968 shs$781.38 million07/11/2025$19.02$18.98-0.21%$19.14$18.81344,986 shs$770.02 million07/10/2025$18.92$19.02+0.53%$19.15$18.90501,670 shs$771.64 million07/09/2025$18.98$18.92-0.32%$19.12$18.72323,057 shs$767.58 million07/08/2025$18.58$18.98+2.15%$18.98$18.14362,444 shs$770.02 million07/07/2025$18.74$18.58-0.85%$18.93$18.43313,761 shs$753.79 million07/04/2025$18.74$18.74$19.04$18.11310,543 shs$760.28 million07/03/2025$18.63$18.74+0.59%$19.04$18.11310,543 shs$760.28 million07/02/2025$18.24$18.63+2.14%$18.67$18.01318,417 shs$755.82 million07/01/2025$17.86$18.24+2.13%$18.31$17.70418,983 shs$740.00 million Related Companies INTR Stock Chart BFH Stock Chart ENVA Stock Chart PRK Stock Chart DAVE Stock Chart LU Stock Chart FINV Stock Chart PGY Stock Chart CIFR Stock Chart FBK Stock Chart Receive NBBK Stock News and Ratings via EmailSign-up to receive the latest news and ratings for NB Bancorp and its competitors with MarketBeat's FREE daily newsletter. 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