First Interstate BancSystem, Inc. (FIBK) NASDAQ

Currency In USD

FIBK Historical Return

If you invested $1000 in First Interstate BancSystem, Inc. (FIBK) 10 years ago, it would be worth $1,764.12 as of October 22, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,124.5, while $1000 invested 1 year ago would be worth $1,197.48. This corresponds to total returns of 76.41%, 12.45%, 19.75%, respectively, with annualized returns of 5.84%, 2.37%, 19.75%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

FIBK Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
October 21, 2026	35.78	35.67	35.67	35.81	35.35	787,078
October 20, 2026	34.73	35.56	35.56	35.73	34.73	841,623
October 19, 2026	34.81	34.73	34.73	34.96	34.66	776,416
October 16, 2026	34.98	34.82	34.82	35.59	34.7	864,502
October 15, 2026	34.49	34.81	34.81	35	34.33	882,744
October 14, 2026	34.12	34.37	34.37	34.57	34.02	1.05M
October 13, 2026	34.98	34.71	34.71	35.14	34.4	989,442
October 12, 2026	34.54	34.79	34.79	34.98	34.54	836,049
October 09, 2026	34.78	34.52	34.52	34.88	34.52	750,417
October 08, 2026	34.51	34.94	34.94	35.03	34.29	999,866
October 07, 2026	35.24	34.74	34.74	35.29	34.55	868,602
October 06, 2026	35.62	35.52	35.52	35.99	35.4	1.22M
October 05, 2026	36.07	35.62	35.62	36.07	35.51	2.21M
October 02, 2026	36.11	36	36	36.48	35.92	1.24M
October 01, 2026	35.57	35.77	35.77	35.92	34.87	1.35M
September 30, 2026	35.99	35.74	35.74	36.28	35.44	1.02M
September 29, 2026	36.62	36	36	36.69	35.92	1.38M
September 28, 2026	36.73	36.33	36.33	36.74	36.3	1.03M
September 25, 2026	36.66	36.91	36.91	37.16	36.65	1.5M
September 24, 2026	36.02	36.51	36.51	36.63	36.02	1.03M
September 23, 2026	36.33	36.02	36.02	36.62	36.02	1.04M
September 22, 2026	36.96	36.54	36.54	37.13	36.54	1.21M
September 21, 2026	37.41	36.83	36.83	37.62	36.82	1.16M
September 18, 2026	37.11	37.35	37.35	37.5	36.76	4.02M
September 17, 2026	37.23	37.16	37.16	37.55	37.04	1.11M
September 16, 2026	37.46	36.92	36.92	37.7	36.57	1.98M
September 15, 2026	37.21	37.46	37.46	37.68	37.21	1.05M
September 11, 2026	37.2	36.92	36.92	37.37	36.56	725,393
September 10, 2026	36.75	36.88	36.88	36.98	36.43	1.06M
September 09, 2026	37.09	36.82	36.82	37.44	36.72	928,027
September 08, 2026	37.73	37.22	37.22	37.86	37.19	789,771
September 04, 2026	37.51	37.85	37.85	37.94	37.45	794,678
September 03, 2026	37.19	37.48	37.48	37.77	37.19	1.07M
September 02, 2026	36.53	37.16	37.16	37.39	36.34	891,963
September 01, 2026	36.68	36.32	36.32	37.2	36.16	1.19M
August 31, 2026	37.07	36.81	36.81	37.28	36.63	792,140
August 28, 2026	37.27	37.04	37.04	37.62	36.98	801,048
August 27, 2026	36.92	37.27	37.27	37.28	36.71	596,781
August 26, 2026	37.2	37.2	37.2	37.42	36.92	632,318
August 25, 2026	37.37	37.06	37.06	37.38	36.88	749,637
August 24, 2026	37.46	37.24	37.24	37.89	37.19	1.01M
August 21, 2026	38.25	37.49	37.49	38.33	37.45	1.08M
August 20, 2026	37.78	37.81	37.81	37.98	37.55	837,032
August 19, 2026	38.46	37.84	37.84	38.49	37.69	886,908
August 18, 2026	38.89	38.46	38.46	39.04	38.38	894,720
August 17, 2026	39.03	38.89	38.89	39.46	38.89	903,527
August 14, 2026	38.75	39.17	39.17	39.27	38.75	883,788
August 13, 2026	38.81	38.84	38.84	39.09	38.69	688,182
August 12, 2026	38.3	38.53	38.53	38.64	37.88	975,098
August 11, 2026	37.63	38.02	38.02	38.13	37.41	930,558
August 10, 2026	37.22	37.38	37.38	37.56	37.04	943,362
August 07, 2026	37.32	37.53	37.53	37.77	37.17	878,864
August 06, 2026	38.17	37.42	37.42	38.32	37.39	1.12M
August 05, 2026	38.52	38.07	38.07	38.53	38.03	1.1M
August 04, 2026	38.1	38.4	38.4	38.84	37.99	1.59M
August 03, 2026	37.8	38.57	38.57	38.62	37.8	1.12M
July 31, 2026	38.65	38.02	38.02	38.75	37.94	1.02M
July 30, 2026	38.04	38.46	38.46	38.67	37.95	1.1M
July 29, 2026	38.08	37.75	37.75	38.11	37.54	1.48M
July 28, 2026	38	38.09	38.09	38.42	37.76	2.12M