FIBK Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Aug 7, 2026	37.32	37.77	37.17	37.53	37.53	0.29%	878,864
Aug 6, 2026	38.17	38.32	37.39	37.42	37.42	-1.71%	1,120,982
Aug 5, 2026	38.52	38.53	38.03	38.07	38.07	-0.86%	1,095,847
Aug 4, 2026	38.10	38.84	37.99	38.40	38.40	0.79%	1,585,162
Aug 3, 2026	37.80	38.62	37.80	38.57	38.10	1.45%	1,119,437
Jul 31, 2026	38.65	38.75	37.94	38.02	37.56	-1.14%	1,015,606
Jul 30, 2026	38.04	38.67	37.95	38.46	37.99	1.88%	1,103,258
Jul 29, 2026	38.08	38.11	37.54	37.75	37.29	-0.89%	1,480,762
Jul 28, 2026	38.00	38.42	37.76	38.09	37.63	0.87%	2,118,138
Jul 27, 2026	38.28	38.66	37.74	37.76	37.30	-0.94%	1,599,417
Jul 24, 2026	37.68	38.52	37.54	38.12	37.66	0.05%	1,996,797
Jul 23, 2026	37.90	38.10	37.59	38.10	37.64	-0.76%	1,759,266
Jul 22, 2026	38.94	38.94	38.29	38.39	37.92	-1.49%	821,509
Jul 21, 2026	38.52	38.98	38.18	38.97	38.50	1.09%	987,502
Jul 20, 2026	39.24	39.25	38.47	38.55	38.08	-1.61%	918,327
Jul 17, 2026	39.83	39.94	38.86	39.18	38.70	-2.59%	1,659,657
Jul 16, 2026	39.36	40.60	39.00	40.22	39.73	2.21%	1,910,171
Jul 15, 2026	39.13	40.06	38.96	39.35	38.87	1.05%	1,660,513
Jul 14, 2026	38.83	39.26	38.74	38.94	38.47	0.28%	897,822
Jul 13, 2026	38.94	39.05	38.58	38.83	38.36	-0.05%	887,851
Jul 10, 2026	39.05	39.25	38.69	38.85	38.38	-0.15%	629,556
Jul 9, 2026	38.38	39.21	38.38	38.91	38.44	1.73%	754,964
Jul 8, 2026	39.06	39.11	37.95	38.25	37.78	-2.32%	1,220,015
Jul 7, 2026	39.50	39.54	39.08	39.16	38.68	-0.56%	848,589
Jul 6, 2026	38.95	39.40	38.92	39.38	38.90	0.59%	797,909
Jul 2, 2026	39.50	39.65	38.69	39.15	38.67	-0.28%	911,428
Jul 1, 2026	38.50	39.33	38.34	39.26	38.78	1.82%	1,280,367
Jun 30, 2026	38.41	38.58	38.20	38.56	38.09	-0.08%	1,240,141
Jun 29, 2026	38.33	38.61	37.87	38.59	38.12	-0.10%	979,765
Jun 26, 2026	38.51	38.75	38.26	38.63	38.16	0.49%	2,415,016
Jun 25, 2026	37.95	38.64	37.68	38.44	37.97	1.48%	670,990
Jun 24, 2026	37.33	38.03	37.33	37.88	37.42	1.47%	888,637
Jun 23, 2026	36.61	37.36	36.61	37.33	36.88	1.69%	771,796
Jun 22, 2026	36.47	36.89	36.33	36.71	36.26	0.77%	888,796
Jun 18, 2026	36.00	36.54	35.88	36.43	35.99	2.22%	2,426,846
Jun 17, 2026	36.35	36.79	35.14	35.64	35.21	-2.41%	1,572,143
Jun 16, 2026	36.67	37.03	36.35	36.52	36.07	0.25%	753,456
Jun 15, 2026	37.39	37.63	36.37	36.43	35.99	-1.83%	802,293
Jun 12, 2026	36.63	37.17	36.63	37.11	36.66	1.50%	646,125
Jun 11, 2026	36.29	36.76	36.02	36.56	36.11	0.94%	891,974
Jun 10, 2026	36.08	36.58	36.08	36.22	35.78	0.33%	796,579
Jun 9, 2026	35.80	36.85	35.80	36.10	35.66	1.49%	829,705
Jun 8, 2026	35.65	36.03	35.56	35.57	35.14	-	713,808
Jun 5, 2026	35.66	36.03	35.41	35.57	35.14	-0.42%	1,088,967
Jun 4, 2026	34.89	35.74	34.86	35.72	35.28	4.08%	853,250
Jun 3, 2026	35.04	35.15	34.26	34.32	33.90	-2.56%	1,115,062
Jun 2, 2026	34.56	35.36	34.56	35.22	34.79	1.41%	691,737
Jun 1, 2026	35.25	35.27	34.45	34.73	34.31	-2.44%	932,357
May 29, 2026	36.01	36.01	35.55	35.60	35.17	-	1,310,754
May 28, 2026	35.52	35.63	35.04	35.60	35.17	-0.17%	957,568