FIBK
$34.82+0.03%
First Interstate BancSystem Inc. Common Stock (DE)Stock · FinancialsRussell 2000 0.1%Nasdaq Composite 0.01%Russell 3000 0.005%US Stock Market 0.004%
First Interstate BancSystem Inc. Common Stock (DE) monthly returns
First Interstate BancSystem Inc. Common Stock (DE) has averaged 1.01% per month, positive in 56% of months. Month-by-month returns for First Interstate BancSystem Inc. Common Stock (DE) (FIBK) below, through October 16, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.
Average month
+1.0%
190 months
Best month
+20.5%
Jul 2023
Worst month
-16.0%
Mar 2023
Positive months
56%
of all months
First Interstate BancSystem Inc. Common Stock (DE) monthly returns#
| Month | Path | Total return |
|---|---|---|
| Oct 2026 | -2.6% | |
| Sep 2026 | -2.9% | |
| Aug 2026 | -2.0% | |
| Jul 2026 | -1.4% | |
| Jun 2026 | +8.3% | |
| May 2026 | +1.6% | |
| Apr 2026 | +6.3% | |
| Mar 2026 | -3.5% | |
| Feb 2026 | -1.2% | |
| Jan 2026 | +2.5% | |
| Dec 2025 | +5.4% | |
| Nov 2025 | +6.6% | |
| Oct 2025 | -1.9% | |
| Sep 2025 | -2.6% | |
| Aug 2025 | +15.5% | |
| Jul 2025 | -0.1% | |
| Jun 2025 | +6.2% | |
| May 2025 | +5.5% | |
| Apr 2025 | -8.6% | |
| Mar 2025 | -6.7% | |
| Feb 2025 | -5.5% | |
| Jan 2025 | +1.5% | |
| Dec 2024 | -7.1% | |
| Nov 2024 | +15.3% | |
| Oct 2024 | +0.4% | |
| Sep 2024 | -1.2% | |
| Aug 2024 | -0.0% | |
| Jul 2024 | +13.7% | |
| Jun 2024 | +4.6% | |
| May 2024 | +1.1% | |
| Apr 2024 | -1.9% | |
| Mar 2024 | +3.4% | |
| Feb 2024 | -2.6% | |
| Jan 2024 | -10.5% | |
| Dec 2023 | +18.8% | |
| Nov 2023 | +14.4% | |
| Oct 2023 | -7.5% | |
| Sep 2023 | -3.7% | |
| Aug 2023 | -8.3% | |
| Jul 2023 | +20.5% | |
| Jun 2023 | +8.1% | |
| May 2023 | -12.0% | |
| Apr 2023 | -14.3% | |
| Mar 2023 | -16.0% | |
| Feb 2023 | +0.3% | |
| Jan 2023 | -7.2% | |
| Dec 2022 | -11.4% | |
| Nov 2022 | -3.4% | |
| Oct 2022 | +13.0% | |
| Sep 2022 | +0.2% | |
| Aug 2022 | -0.3% | |
| Jul 2022 | +7.0% | |
| Jun 2022 | +0.1% | |
| May 2022 | +18.5% | |
| Apr 2022 | -11.6% | |
| Mar 2022 | -9.4% | |
| Feb 2022 | +11.7% | |
| Jan 2022 | -9.6% | |
| Dec 2021 | -0.3% | |
| Nov 2021 | -0.9% | |
| Oct 2021 | +3.3% | |
| Sep 2021 | -8.6% | |
| Aug 2021 | +6.1% | |
| Jul 2021 | +0.2% | |
| Jun 2021 | -11.1% | |
| May 2021 | +1.1% | |
| Apr 2021 | +2.0% | |
| Mar 2021 | +1.4% | |
| Feb 2021 | +18.7% | |
| Jan 2021 | -5.2% | |
| Dec 2020 | +7.1% | |
| Nov 2020 | +9.0% | |
| Oct 2020 | +10.8% | |
| Sep 2020 | -2.9% | |
| Aug 2020 | +14.0% | |
| Jul 2020 | -6.0% | |
| Jun 2020 | -0.9% | |
| May 2020 | -6.5% | |
| Apr 2020 | +17.2% | |
| Mar 2020 | -15.3% | |
| Feb 2020 | -9.2% | |
| Jan 2020 | -8.2% | |
| Dec 2019 | -0.4% | |
| Nov 2019 | +1.1% | |
| Oct 2019 | +4.3% | |
| Sep 2019 | +3.2% | |
| Aug 2019 | -1.8% | |
| Jul 2019 | +1.1% | |
| Jun 2019 | +7.3% | |
| May 2019 | -12.0% | |
| Apr 2019 | +6.1% | |
| Mar 2019 | -4.4% | |
| Feb 2019 | +7.8% | |
| Jan 2019 | +6.5% | |
| Dec 2018 | -15.8% | |
| Nov 2018 | +5.4% | |
| Oct 2018 | -7.5% | |
| Sep 2018 | -3.6% | |
| Aug 2018 | +8.3% | |
| Jul 2018 | +2.3% | |
| Jun 2018 | -3.3% | |
| May 2018 | +8.5% | |
| Apr 2018 | +2.4% | |
| Mar 2018 | +0.1% | |
| Feb 2018 | -4.9% | |
| Jan 2018 | +4.5% | |
| Dec 2017 | +0.9% | |
| Nov 2017 | +1.0% | |
| Oct 2017 | +3.4% | |
| Sep 2017 | +8.7% | |
| Aug 2017 | -3.7% | |
| Jul 2017 | -1.1% | |
| Jun 2017 | +6.6% | |
| May 2017 | -7.5% | |
| Apr 2017 | -4.2% | |
| Mar 2017 | -9.6% | |
| Feb 2017 | +6.6% | |
| Jan 2017 | -2.7% | |
| Dec 2016 | +12.7% | |
| Nov 2016 | +18.3% |
Monthly total return (since Nov 2021)#
-20%-10%0%10%20%
Nov 2021-0.91%
Dec 2021-0.32%
Jan 2022-9.6%2022
Feb 2022+12%
Mar 2022-9.4%
Apr 2022-12%
May 2022+18%
Jun 2022+0.1%
Jul 2022+7.0%
Aug 2022-0.27%
Sep 2022+0.22%
Oct 2022+13%
Nov 2022-3.4%
Dec 2022-11%
Jan 2023-7.2%2023
Feb 2023+0.31%
Mar 2023-16%
Apr 2023-14%
May 2023-12%
Jun 2023+8.1%
Jul 2023+21%
Aug 2023-8.3%
Sep 2023-3.7%
Oct 2023-7.5%
Nov 2023+14%
Dec 2023+19%
Jan 2024-11%2024
Feb 2024-2.6%
Mar 2024+3.4%
Apr 2024-1.9%
May 2024+1.1%
Jun 2024+4.6%
Jul 2024+14%
Aug 2024-0.01%
Sep 2024-1.2%
Oct 2024+0.39%
Nov 2024+15%
Dec 2024-7.1%
Jan 2025+1.5%2025
Feb 2025-5.5%
Mar 2025-6.7%
Apr 2025-8.6%
May 2025+5.5%
Jun 2025+6.2%
Jul 2025-0.1%
Aug 2025+16%
Sep 2025-2.6%
Oct 2025-1.9%
Nov 2025+6.6%
Dec 2025+5.4%
Jan 2026+2.5%2026
Feb 2026-1.2%
Mar 2026-3.5%
Apr 2026+6.3%
May 2026+1.6%
Jun 2026+8.3%
Jul 2026-1.4%
Aug 2026-2.0%
Sep 2026-2.9%
Oct 2026-2.6%
First Interstate BancSystem Inc. Common Stock (DE) returns by calendar month#
Every month of every year since 2011, one tick per year on a shared scale; the dark bar is the month's average. Total returns, dividends reinvested.
October 2026 so far: -2.57% — 14th of 16 Octobers since 2011 at the last close; the average October returned +3.8%.
| Month | −25%0+25% | Average | Median | Up | Best | Worst |
|---|---|---|---|---|---|---|
| Jan | -3.4% | -5.8% | 38% | +11.7% 2013 | -14.8% 2011 | |
| Feb | +3.0% | +0.6% | 56% | +18.7% 2021 | -9.2% 2020 | |
| Mar | -2.2% | -1.7% | 50% | +9.0% 2014 | -16.0% 2023 | |
| Apr | -1.1% | -2.0% | 44% | +17.2% 2020 | -14.3% 2023 | |
| May | +0.6% | +1.1% | 63% | +18.5% 2022 | -12.0% 2023 | |
| Jun | +2.6% | +4.2% | 75% | +8.3% 2026 | -11.1% 2021 | |
| Jul | +2.7% | +0.9% | 63% | +20.5% 2023 | -9.2% 2011 | |
| Aug | +1.2% | -0.5% | 38% | +15.5% 2025 | -8.9% 2011 | |
| Sep | -0.5% | -0.5% | 50% | +8.7% 2017 | -12.1% 2011 | |
| Oct | +3.8% | +3.3% | 80% | +18.0% 2011 | -7.5% 2023 | |
| Nov | +5.1% | +5.4% | 73% | +18.3% 2016 | -6.8% 2011 | |
| Dec | +1.1% | +0.9% | 53% | +18.8% 2023 | -15.8% 2018 |
Methodology#
Monthly returns are total returns (dividends reinvested), computed from FIBK's split- and dividend-adjusted month-end closes. The table shows the most recent 120 months and the bar chart the most recent 60. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.
FAQ#
- What is First Interstate BancSystem Inc. Common Stock (DE)'s average monthly return?
- First Interstate BancSystem Inc. Common Stock (DE) (FIBK) has averaged about 1.01% per month, positive in roughly 56% of months. The best month was Jul 2023 (+20.5%) and the worst was Mar 2023 (-16.0%).
More on First Interstate BancSystem Inc. Common Stock (DE)
By month for: S&P 500 · S&P 500 Equal Weight · US Stock Market · Nasdaq-100