First Interstate BancSystem Inc. Common Stock (DE) (FIBK)
Showing Closing Date Range from Oct 8 to Oct 15, 2026 compared to Sep 30 to Oct 7, 2026.
Compare Last 7 Days with Previous Period
Investor Relations:fibk.com
Current Period Close
$34.81
Oct 08, 2026 - Oct 15, 2026
Previous Period Close
$34.74
Sep 30, 2026 - Oct 07, 2026
Net Comparison Delta
+$0.07 (+0.20%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(6 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 15, 2026 | $34.81 | - | - | - |
| Oct 14, 2026 | $34.37 | Oct 07, 2026 | $34.74 | -1.07% |
| Oct 13, 2026 | $34.71 | Oct 06, 2026 | $35.52 | -2.28% |
| Oct 12, 2026 | $34.79 | Oct 05, 2026 | $35.62 | -2.33% |
| Oct 09, 2026 | $34.52 | Oct 02, 2026 | $36.00 | -4.11% |
| Oct 08, 2026 | $34.94 | Sep 30, 2026 | $35.74 | -2.24% |