FIBK Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
May 15, 2026	34.26	34.40	33.70	34.08	34.08	-0.76%	1,360,738
May 14, 2026	34.46	34.76	34.28	34.34	34.34	0.67%	863,499
May 13, 2026	34.65	34.93	33.83	34.11	34.11	-1.39%	1,709,567
May 12, 2026	35.25	35.34	34.38	34.59	34.59	-1.45%	1,701,961
May 11, 2026	36.08	36.19	35.01	35.10	35.10	-3.62%	1,724,700
May 8, 2026	36.34	36.54	36.04	36.42	35.94	0.47%	1,559,801
May 7, 2026	36.50	36.78	36.16	36.25	35.77	-0.37%	1,480,224
May 6, 2026	36.31	36.68	36.11	36.39	35.90	1.35%	1,219,706
May 5, 2026	35.23	36.09	34.99	35.90	35.43	2.60%	1,098,844
May 4, 2026	35.15	35.46	34.88	34.99	34.53	-1.30%	1,107,441
May 1, 2026	35.46	35.95	35.05	35.45	34.98	-0.11%	1,385,008
Apr 30, 2026	34.53	35.73	34.46	35.49	35.02	3.08%	2,670,941
Apr 29, 2026	35.66	35.77	34.39	34.43	33.98	-3.50%	1,880,208
Apr 28, 2026	35.62	35.83	35.37	35.68	35.21	0.99%	1,332,317
Apr 27, 2026	34.91	35.58	34.81	35.33	34.86	1.38%	1,767,292
Apr 24, 2026	34.84	35.02	34.28	34.85	34.39	-0.03%	1,278,982
Apr 23, 2026	34.63	34.93	34.40	34.86	34.40	1.10%	1,008,157
Apr 22, 2026	34.43	34.57	34.10	34.48	34.02	0.73%	998,143
Apr 21, 2026	34.49	34.75	34.10	34.23	33.78	-0.67%	869,222
Apr 20, 2026	34.40	34.96	34.40	34.46	34.01	-0.46%	789,481
Apr 17, 2026	34.27	35.12	34.12	34.62	34.16	2.52%	1,429,600
Apr 16, 2026	34.01	34.21	33.65	33.77	33.32	-0.88%	916,651
Apr 15, 2026	34.34	34.36	33.67	34.07	33.62	-0.53%	860,904
Apr 14, 2026	34.42	34.57	34.20	34.25	33.80	-0.55%	802,004
Apr 13, 2026	33.95	34.46	33.60	34.44	33.99	1.20%	868,337
Apr 10, 2026	34.27	34.32	33.95	34.03	33.58	-0.70%	1,192,522
Apr 9, 2026	33.79	34.49	33.57	34.27	33.82	0.68%	2,185,089
Apr 8, 2026	34.12	34.50	33.79	34.04	33.59	2.47%	1,603,820
Apr 7, 2026	33.16	33.57	32.81	33.22	32.78	-1.86%	2,039,109
Apr 6, 2026	33.35	33.99	33.32	33.85	33.40	1.11%	949,318
Apr 2, 2026	33.04	33.70	32.80	33.48	33.04	-0.21%	1,206,822
Apr 1, 2026	33.54	33.95	33.26	33.55	33.11	0.45%	1,060,051
Mar 31, 2026	33.26	34.10	33.19	33.40	32.96	1.77%	1,762,443
Mar 30, 2026	33.22	33.22	32.68	32.82	32.39	0.03%	782,993
Mar 27, 2026	33.26	33.51	32.73	32.81	32.38	-2.06%	1,155,198
Mar 26, 2026	33.30	33.76	33.22	33.50	33.06	-0.39%	1,110,252
Mar 25, 2026	33.69	33.86	33.23	33.63	33.19	1.08%	733,194
Mar 24, 2026	32.80	33.73	32.19	33.27	32.83	0.33%	743,795
Mar 23, 2026	33.35	33.99	33.00	33.16	32.72	2.09%	1,175,591
Mar 20, 2026	32.24	32.56	31.93	32.48	32.05	0.62%	3,944,698
Mar 19, 2026	31.76	32.50	31.63	32.28	31.85	0.78%	1,801,138
Mar 18, 2026	33.09	33.14	31.98	32.03	31.61	-3.23%	1,611,602
Mar 17, 2026	33.66	33.75	32.97	33.10	32.66	-0.36%	723,104
Mar 16, 2026	33.63	34.01	33.16	33.22	32.78	0.27%	559,580
Mar 13, 2026	33.69	33.90	33.00	33.13	32.69	-0.30%	1,049,501
Mar 12, 2026	33.08	33.62	32.80	33.23	32.79	-1.57%	1,112,337
Mar 11, 2026	33.71	34.02	33.46	33.76	33.31	-0.76%	809,679
Mar 10, 2026	34.00	34.80	33.58	34.02	33.57	-	1,390,936
Mar 9, 2026	33.45	34.24	32.71	34.02	33.57	-0.50%	1,734,459
Mar 6, 2026	33.85	34.45	33.24	34.19	33.74	-2.31%	915,066