Seasonality
FIBK seasonality — First Interstate BancSystem, Inc.
Over the last 11 years, FIBK's strongest month on average has been November (+4.3%) and its weakest March (-6.0%).
Average return by month
Month-by-month statistics
| Month | Avg | Median | Up % | Best | Worst | Yrs |
|---|---|---|---|---|---|---|
| Jan | -2.90% | -4.23% | 40% | +6.5% | -10.5% | 10 |
| Feb | +0.98% | -1.69% | 40% | +17.5% | -11.5% | 10 |
| Mar | -6.00% | -5.52% | 30% | +3.4% | -16.0% | 10 |
| Apr | -0.71% | +0.07% | 50% | +17.2% | -14.3% | 10 |
| May | -1.32% | -0.19% | 50% | +17.1% | -13.8% | 10 |
| Jun | +2.58% | +5.39% | 70% | +8.3% | -11.1% | 10 |
| Jul | +3.55% | +0.64% | 60% | +20.5% | -6.0% | 10 |
| Aug | +1.69% | -1.46% | 40% | +13.7% | -9.8% | 10 |
| Sep | -1.34% | -2.75% | 30% | +8.7% | -8.6% | 10 |
| Oct | +2.30% | +3.00% | 70% | +13.0% | -7.5% | 10 |
| Nov | +4.28% | +4.75% | 78% | +13.5% | -4.4% | 9 |
| Dec | +0.98% | +0.28% | 50% | +18.8% | -15.8% | 10 |
Monthly returns heat map — FIBK
price return, %| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2.5 | -2.4 | -3.5 | 6.3 | 0.3 | 8.3 | -1.4 | -3.2 | -2.9 | 5.3 | 0.4 | +9.2% | |
| 2025 | 1.5 | -6.8 | -6.7 | -8.6 | 3.6 | 6.2 | -0.1 | 13.7 | -2.6 | -1.9 | 5.1 | 5.4 | +6.6% |
| 2024 | -10.5 | -4.4 | 3.4 | -1.9 | -0.6 | 4.6 | 13.7 | -1.6 | -1.2 | 0.4 | 13.5 | -7.2 | +5.6% |
| 2023 | -7.2 | -0.9 | -16.0 | -14.3 | -13.8 | 8.1 | 20.5 | -9.8 | -3.7 | -7.5 | 12.2 | 18.8 | -20.4% |
| 2022 | -9.6 | 10.5 | -9.4 | -11.6 | 17.1 | 0.1 | 7.0 | -1.3 | 0.2 | 13.0 | -4.4 | -11.4 | -5.0% |
| 2021 | -5.2 | 17.5 | 1.4 | 2.0 | 0.2 | -11.1 | 0.2 | 5.1 | -8.6 | 3.2 | -1.9 | -0.3 | -0.2% |
| 2020 | -8.2 | -11.5 | -15.3 | 17.2 | -7.5 | -0.9 | -6.0 | 12.7 | -2.9 | 10.8 | 7.8 | 7.2 | -2.7% |
| 2019 | 6.5 | 7.0 | -4.4 | 6.1 | -12.7 | 7.3 | 1.1 | -2.6 | 3.2 | 4.3 | 0.3 | -0.4 | +14.7% |
| 2018 | 4.5 | -5.6 | 0.1 | 2.4 | 7.8 | -3.3 | 2.2 | 7.7 | -3.5 | -7.5 | 4.8 | -15.8 | -8.7% |
| 2017 | -3.3 | 6.6 | -9.6 | -4.8 | -7.5 | 6.6 | -1.8 | -3.7 | 8.7 | 2.8 | 1.0 | 0.9 | -5.9% |
| 2016 | 12.7 |