NBBK
NB Bancorp, Inc. Common Stock
stockNASDAQ
At CloseOct 2, 2026 3:59:52 PM EDT
22.55USD+1.257%(+0.28)221,959
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988.98M
Sector
Finance and Insurance
Industry
Monetary Authorities-Central Bank
Previous Close
$22.27
Beta
0.41
52-Week High
$23.47 2026-08-03
52-Week Low
$16.84 2025-10-13
SMA 50
$22.64
SMA 200
$21.29
Avg. Vol 10D
274,835
Avg. Vol 30D
275,863
Avg. Vol 90D
290,833
Relative Vol
0.80
43.82M
36.40M
83.06%
1,684,193
4.63%
6.51
65%/35%
78.18%
44.94%
0.5700%
1,300,000
1
804
2,650
Oct 28, 2026 (23d)
Aug 5, 2026 · $0.070
Sep 18, 2026
IPO Stock Of The Week: Regional Banking Leader NB Bancorp Poised To Hit New Buy Point · 
Investor's Business Daily
Sep 16, 2026
KBRA Assigns Ratings to NB Bancorp, Inc. · 
Business Wire
NBBK Performance
| Period | Price | Date | Change | Beta |
|---|---|---|---|---|
| 1W | 22.56 | 2026-09-28 | +0.04% | 2.536 |
| 1M | 23.16 | 2026-09-04 | -2.55% | 0.361 |
| 3M | 21.03 | 2026-07-06 | +7.32% | 0.320 |
| 6M | 21.83 | 2026-04-06 | +3.39% | 0.330 |
| 1Y | 18.00 | 2025-10-06 | +25.39% | 0.409 |
| 2Y | 17.95 | 2024-10-04 | +25.74% | — |
NBBK Stock Summary
NB Bancorp, Inc. Common Stock (NASDAQ:NBBK) stock price today is $22.57, and today's volume is 221,959. NBBK is up 1.347% today. The 30 day average volume is 275,863. NBBK market cap is $988.98M with 43.82M shares outstanding.