First Interstate BancSystem Inc. Common Stock (DE) (FIBK)
Showing Closing Date Range from Oct 6 to Nov 3, 2026 compared to Sep 7 to Oct 5, 2026.
Compare Last 28 Days with Previous Period
Investor Relations:fibk.com
Current Period Close
$37.62
Oct 06, 2026 - Nov 03, 2026
Previous Period Close
$35.62
Sep 07, 2026 - Oct 05, 2026
Net Comparison Delta
+$2.00 (+5.61%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(21 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Nov 03, 2026 | $37.62 | - | - | - |
| Nov 02, 2026 | $38.73 | - | - | - |
| Oct 30, 2026 | $37.65 | Oct 05, 2026 | $35.62 | +5.70% |
| Oct 29, 2026 | $37.95 | Oct 02, 2026 | $36.00 | +5.42% |
| Oct 28, 2026 | $37.56 | Sep 30, 2026 | $35.74 | +5.09% |
| Oct 27, 2026 | $37.83 | Sep 29, 2026 | $36.00 | +5.08% |
| Oct 26, 2026 | $37.68 | Sep 28, 2026 | $36.33 | +3.72% |
| Oct 23, 2026 | $36.78 | Sep 25, 2026 | $36.91 | -0.35% |
| Oct 22, 2026 | $36.88 | Sep 24, 2026 | $36.51 | +1.01% |
| Oct 21, 2026 | $35.67 | Sep 23, 2026 | $36.02 | -0.97% |
| Oct 20, 2026 | $35.56 | Sep 22, 2026 | $36.83 | -3.45% |
| Oct 19, 2026 | $34.73 | Sep 21, 2026 | $36.83 | -5.70% |
| Oct 16, 2026 | $34.82 | Sep 18, 2026 | $37.35 | -6.77% |
| Oct 15, 2026 | $34.81 | Sep 17, 2026 | $37.16 | -6.32% |
| Oct 14, 2026 | $34.37 | Sep 16, 2026 | $36.92 | -6.91% |
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