ZARR

NBBK

NBBK

NB Bancorp, Inc. 22.50 +0.5%

NasdaqCM · USD · CIK 0001979330 · on your list since 19 SEPT 19 SEPT 22.78 -1.2%

VOL 202.0K · 20D AVG 270.8K · NEXT: none known

OPTIONS

2026-09-18 (0d)
Strike	Call			Put			IV
Strike	Bid	Mid	Ask	Bid	Mid	Ask	IV
12.50	9.00	10.25	11.50	0.00	0.15	0.30	0.0%
15.00	5.70	7.80	9.90	0.00	0.88	1.75	0.0%
17.50	3.10	5.15	7.20	0.00	0.88	1.75	0.0%
20.00	1.80	2.60	3.40	0.00	0.05	0.10	0.0%
22.50	0.00	0.68	1.35	0.00	1.10	2.20	0.0%
25.00	0.00	0.88	1.75	0.40	1.90	3.40	0.0%
30.00	0.00	0.88	1.75	6.40	7.55	8.70	0.0%

2026-10-16 (23d)
Strike	Call			Put			IV
Strike	Bid	Mid	Ask	Bid	Mid	Ask	IV
12.50	9.10	10.60	12.10	0.00	0.10	0.20	222.8%
15.00	6.70	8.15	9.60	0.00	1.07	2.15	172.2%
17.50	4.00	5.60	7.20	0.00	1.10	2.20	120.1%
20.00	1.40	3.10	4.80	0.00	1.15	2.30	76.0%
22.50	0.00	0.47	0.95	0.00	1.27	2.55	32.8%
25.00	0.00	0.20	0.40	0.50	2.50	4.50	42.3%
30.00	0.00	0.47	0.95	5.80	7.25	8.70	105.9%

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FRI 18 SEPT CLOSE 22.78 +0.5% VOL 2.0×
THU 17 SEPT CLOSE 22.66 -0.3% VOL 0.9×
WED 16 SEPT CLOSE 22.73 -0.5% VOL 0.9×
TUE 15 SEPT CLOSE 22.84 -0.2% VOL 0.7×
MON 14 SEPT CLOSE 22.89 +0.4% VOL 0.9×
FRI 11 SEPT CLOSE 22.79 -0.3% VOL 0.6×
THU 10 SEPT CLOSE 22.86 -0.1% VOL 0.7×
WED 09 SEPT CLOSE 22.88 -0.5% VOL 1.0×
TUE 08 SEPT CLOSE 23.00 -0.7% VOL 1.0×
FRI 04 SEPT CLOSE 23.16 +0.8% VOL 0.8×
THU 03 SEPT CLOSE 22.97 +1.6% VOL 0.7×
WED 02 SEPT CLOSE 22.60 +2.5% VOL 1.0×
TUE 01 SEPT CLOSE 22.04 -1.3% VOL 1.2×
MON 31 AUG CLOSE 22.33 -0.6% VOL 0.7×
FRI 28 AUG CLOSE 22.46 +0.4% VOL 0.8×
THU 27 AUG CLOSE 22.36 +0.3% VOL 0.9×
WED 26 AUG CLOSE 22.30 -0.6% VOL 0.6×
TUE 25 AUG CLOSE 22.43 -0.4% VOL 0.7×
MON 24 AUG CLOSE 22.51 +2.4% VOL 0.7×
FRI 21 AUG CLOSE 21.98 0.0% VOL 1.0×
21:57 [FILING] 4 — OWNERSHIP DOCUMENT sec.gov
21:05 [FILING] 4 — OWNERSHIP DOCUMENT sec.gov
THU 20 AUG CLOSE 21.98 +0.4% VOL 1.0×
WED 19 AUG CLOSE 21.90 -3.7% VOL 1.1×
TUE 18 AUG CLOSE 22.74 -0.7% VOL 1.1×
21:05 [FILING] 4 — OWNERSHIP DOCUMENT sec.gov
MON 17 AUG CLOSE 22.91 -0.3% VOL 1.1×
FRI 14 AUG CLOSE 22.98 +0.4% VOL 0.5×
THU 13 AUG CLOSE 22.89 +0.2% VOL 0.7×
WED 12 AUG CLOSE 22.85 +0.4% VOL 0.8×
TUE 11 AUG CLOSE 22.75 +0.8% VOL 0.8×
MON 10 AUG CLOSE 22.58 0.0% VOL 0.8×
FRI 07 AUG CLOSE 22.58 -0.7% VOL 0.6×
18:01 [FILING] 10-Q sec.gov