FIBK Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Dec 23, 2025	36.11	36.29	35.77	35.90	35.90	-0.47%	1,284,745
Dec 22, 2025	35.82	36.25	35.82	36.07	36.07	0.87%	866,344
Dec 19, 2025	35.54	35.80	35.36	35.76	35.76	0.48%	1,941,574
Dec 18, 2025	35.73	35.99	35.28	35.59	35.59	0.14%	1,345,957
Dec 17, 2025	35.60	36.35	35.53	35.54	35.54	-0.08%	990,403
Dec 16, 2025	35.65	35.84	35.48	35.57	35.57	-0.20%	1,358,732
Dec 15, 2025	35.80	35.86	35.47	35.64	35.64	0.68%	955,924
Dec 12, 2025	35.64	35.75	35.05	35.40	35.40	-0.20%	1,081,432
Dec 11, 2025	35.51	36.05	35.35	35.47	35.47	-0.44%	1,663,360
Dec 10, 2025	34.20	35.72	34.17	35.63	35.63	4.17%	1,562,870
Dec 9, 2025	33.92	34.45	33.87	34.20	34.20	0.97%	1,259,244
Dec 8, 2025	34.24	34.61	33.80	33.87	33.87	-0.70%	1,391,727
Dec 5, 2025	33.52	34.41	33.52	34.11	34.11	1.31%	1,208,459
Dec 4, 2025	33.38	33.98	33.24	33.67	33.67	1.02%	1,030,840
Dec 3, 2025	32.84	33.60	32.78	33.33	33.33	1.68%	1,148,320
Dec 2, 2025	33.09	33.30	32.72	32.78	32.78	-0.76%	1,757,001
Dec 1, 2025	32.73	33.50	32.70	33.03	33.03	0.58%	16,609,542
Nov 28, 2025	33.02	33.24	32.70	32.84	32.84	0.12%	1,474,308
Nov 26, 2025	32.98	33.12	32.47	32.80	32.80	-1.00%	2,332,101
Nov 25, 2025	33.51	34.25	33.05	33.13	33.13	4.45%	4,855,027
Nov 24, 2025	31.43	31.86	31.18	31.72	31.72	0.95%	779,230
Nov 21, 2025	30.65	31.84	30.58	31.42	31.42	2.68%	976,713
Nov 20, 2025	30.98	31.65	30.52	30.60	30.60	-0.42%	943,238
Nov 19, 2025	29.99	30.80	29.99	30.73	30.73	2.50%	621,732
Nov 18, 2025	29.43	30.26	29.39	29.98	29.98	1.01%	686,317
Nov 17, 2025	31.16	31.19	29.65	29.68	29.68	-5.27%	631,222
Nov 14, 2025	31.32	31.44	30.49	31.33	31.33	-0.29%	859,010
Nov 13, 2025	32.23	32.54	31.20	31.42	31.42	-3.17%	1,069,266
Nov 12, 2025	32.42	33.06	32.39	32.45	32.45	0.11%	670,550
Nov 11, 2025	31.99	32.66	31.86	32.42	32.42	1.33%	891,171
Nov 10, 2025	32.04	32.36	31.65	31.99	31.99	-1.54%	633,252
Nov 7, 2025	31.65	32.54	31.38	32.49	32.02	2.20%	852,673
Nov 6, 2025	32.01	32.55	31.65	31.79	31.33	-1.27%	681,082
Nov 5, 2025	31.74	32.61	31.71	32.20	31.73	1.61%	778,611
Nov 4, 2025	31.55	31.82	31.31	31.69	31.23	-0.22%	723,719
Nov 3, 2025	31.29	31.76	30.81	31.76	31.30	1.63%	918,086
Oct 31, 2025	31.39	31.53	30.86	31.25	30.80	-0.73%	802,505
Oct 30, 2025	32.71	32.85	31.46	31.48	31.02	-1.96%	1,278,992
Oct 29, 2025	32.10	32.75	31.77	32.11	31.65	-0.46%	921,263
Oct 28, 2025	32.19	32.51	31.95	32.26	31.79	0.28%	826,949
Oct 27, 2025	31.67	32.67	31.66	32.17	31.70	1.71%	1,208,203
Oct 24, 2025	31.54	32.01	31.49	31.63	31.17	1.25%	739,145
Oct 23, 2025	31.33	31.62	30.94	31.24	30.79	-0.32%	784,731
Oct 22, 2025	31.31	31.67	30.94	31.34	30.89	0.42%	759,643
Oct 21, 2025	30.88	31.36	30.88	31.21	30.76	0.29%	571,434
Oct 20, 2025	30.11	32.02	30.02	31.12	30.67	4.08%	1,155,413
Oct 17, 2025	29.74	30.08	29.44	29.90	29.47	2.01%	878,805
Oct 16, 2025	31.32	31.48	29.10	29.31	28.89	-7.04%	1,644,132
Oct 15, 2025	32.48	32.55	31.35	31.53	31.07	-2.38%	777,154
Oct 14, 2025	30.83	32.57	30.83	32.30	31.83	3.49%	863,600