NASDAQ · FIBK

First Interstate BancSystem, Inc.

Financial Services · Banks - Regional

$35.52

Down-$0.81 (-2.28%)

Updated Oct 7, 2026, 3:15 PM

SID Score

5.6/10

Composite research score

Smart Money

58/100

Neutral

Price performance · FIBK

FIBK price history

1M range · 21 trading sessions · Daily adjusted prices

Prices through Oct 6, 2026

Daily close

View OHLC price history

FIBK OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Oct 6, 2026	$35.62	$35.99	$35.40	$35.52	1.22M
Oct 5, 2026	$36.07	$36.07	$35.505	$35.62	2.21M
Oct 2, 2026	$36.11	$36.48	$35.92	$36.00	1.24M
Oct 1, 2026	$35.57	$35.92	$34.865	$35.77	1.35M
Sep 30, 2026	$35.99	$36.28	$35.44	$35.74	1.02M
Sep 29, 2026	$36.62	$36.69	$35.92	$36.00	1.38M
Sep 28, 2026	$36.73	$36.74	$36.30	$36.33	1.03M
Sep 25, 2026	$36.66	$37.16	$36.65	$36.91	1.65M
Sep 24, 2026	$36.02	$36.63	$36.02	$36.51	1.03M
Sep 23, 2026	$36.33	$36.62	$36.02	$36.02	1.06M
Sep 22, 2026	$36.96	$37.13	$36.54	$36.54	1.21M
Sep 21, 2026	$37.41	$37.62	$36.82	$36.83	1.16M
Sep 18, 2026	$37.11	$37.50	$36.755	$37.35	4.02M
Sep 17, 2026	$37.23	$37.545	$37.04	$37.16	1.11M
Sep 16, 2026	$37.46	$37.70	$36.57	$36.92	1.98M
Sep 15, 2026	$37.21	$37.68	$37.21	$37.46	1.05M
Sep 14, 2026	$36.92	$37.46	$36.91	$37.30	946.81K
Sep 11, 2026	$37.20	$37.37	$36.56	$36.92	725.4K
Sep 10, 2026	$36.75	$36.975	$36.43	$36.88	1.07M
Sep 9, 2026	$37.09	$37.44	$36.72	$36.82	1.02M
Sep 8, 2026	$37.73	$37.86	$37.19	$37.22	804.89K