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FIBK
First Interstate BancSystem, Inc. Common Stock (DE)
stock NASDAQ

Market Open

Oct 1, 2026 3:20:30 PM EDT

35.65USD-0.252%(-0.09)884,442

35.64Bid 35.69Ask 0.05Spread

Pre-market

Sep 29, 2026 9:08:30 AM EDT

36.45USD+1.987%(+0.71)0

After-hours

Sep 29, 2026 4:37:30 PM EDT

36.00USD-0.028%(-0.01)0

OverviewOptionsHistoricalExchange VolumeShortsMore

FIBK Volume Oct 1, 2026 3:05:03 PM EDT

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Exchange	Day%	Volume	30D%
Nasdaq GSM	38.63	332,645	44.18
Off Exchange¹	22.39	192,738	33.01
IEX	15.93	137,132	5.68
NYSE Arca	9.40	80,916	6.68
Cboe BZX	5.87	50,560	4.02
Cboe EDGX	2.77	23,839	1.74
NYSE	2.56	22,037	1.92
MEMX	1.05	9,003	0.60
Cboe EDGA	0.43	3,677	0.46
MIAX Pearl	0.21	1,816	0.25
Cboe BYX	0.18	1,549	0.38
Texas Stock Exchange LLC	0.13	1,154	0.21
NYSE American	0.12	1,076	0.13
CHX	0.11	930	0.17
Nasdaq BX	0.08	703	0.14
Nasdaq PHLX	0.08	677	0.22
NYSE National	0.06	559	0.19
LTSE	0.00	0	0.00
24X National	0.00	0	0.00

chartexchange.com

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

FIBK Nutrition Facts

0.77 servings per container

Serving size

1.12M

Calories

861.01K

% Day

% Avg

Nasdaq GSM 333K

38.63%

44.18%

Off Exchange¹ 193K

22.39%

33.01%

IEX 137K

15.93%

5.68%

NYSE Arca 81K

9.40%

6.68%

Cboe BZX 51K

5.87%

4.02%

Cboe EDGX 24K

2.77%

1.74%

NYSE 22K

2.56%

1.92%

MEMX 9K

1.05%

0.60%

Cboe EDGA 4K

0.43%

0.46%

MIAX Pearl 2K

0.21%

0.25%

Cboe BYX 2K

0.18%

0.38%

Texas Stock Exchange LLC 1K

0.13%

0.21%

NYSE American 1K

0.12%

0.13%

CHX 930

0.11%

0.17%

Nasdaq BX 703

0.08%

0.14%

Nasdaq PHLX 677

0.08%

0.22%

NYSE National 559

0.06%

0.19%

LTSE 0

0.00%

24X National 0

0.00%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

FIBK Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 192,738, which is 22.39% of today's total volume.
Today's Lit volume is 668,273, which is 77.61%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 33.01%.
The average Lit volume has been 66.99%.

FIBK Volume by Exchange

Nasdaq GSM

Off Exchange

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

NYSE

MEMX

Cboe EDGA

MIAX Pearl

Cboe BYX