First Interstate BancSystem Inc. Common Stock (DE) (FIBK)
Showing Closing Date Range from Jul 18 to Oct 16, 2026 compared to Apr 18 to Jul 17, 2026.
Compare Last 3 Months with Previous Period
Investor Relations:fibk.com
Current Period Close
$34.81
Jul 18, 2026 - Oct 16, 2026
Previous Period Close
$39.18
Apr 18, 2026 - Jul 17, 2026
Net Comparison Delta
$-4.37 (-11.15%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(62 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 15, 2026 | $34.81 | Jul 17, 2026 | $39.18 | -11.15% |
| Oct 14, 2026 | $34.37 | Jul 16, 2026 | $40.22 | -14.55% |
| Oct 13, 2026 | $34.71 | Jul 15, 2026 | $39.35 | -11.79% |
| Oct 12, 2026 | $34.79 | Jul 14, 2026 | $38.94 | -10.66% |
| Oct 09, 2026 | $34.52 | Jul 13, 2026 | $38.83 | -11.10% |
| Oct 08, 2026 | $34.94 | Jul 10, 2026 | $38.85 | -10.06% |
| Oct 07, 2026 | $34.74 | Jul 09, 2026 | $38.91 | -10.72% |
| Oct 06, 2026 | $35.52 | Jul 08, 2026 | $38.25 | -7.14% |
| Oct 05, 2026 | $35.62 | Jul 07, 2026 | $39.16 | -9.04% |
| Oct 02, 2026 | $36.00 | Jul 06, 2026 | $39.38 | -8.58% |
| Sep 30, 2026 | $35.74 | Jul 02, 2026 | $39.15 | -8.71% |
| Sep 29, 2026 | $36.00 | Jul 01, 2026 | $39.26 | -8.30% |
| Sep 28, 2026 | $36.33 | Jun 30, 2026 | $38.56 | -5.78% |
| Sep 25, 2026 | $36.91 | Jun 29, 2026 | $38.59 | -4.35% |
| Sep 24, 2026 | $36.51 | Jun 26, 2026 | $38.63 | -5.49% |
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