Stock Forecast Chart
Stock Price Prediction Summary
Forecast Score Based on 2 Weeks
Based on our forecast, the price of FIBK will decline by -4.04% over the next 2 Weeks and hit $34.85 by Tuesday, September 15, 2026. In that time frame, FIBK's share price is expected to range between $34.11 and $35.59.
BearishAverageBullish| Date | Predicted Lower | Predicted | Predicted Upper |
|---|---|---|---|
| Sep 15, 2026 | 34.11 | 34.85 | 35.59 |
| Sep 14, 2026 | 34.24 | 34.89 | 35.62 |
| Sep 11, 2026 | 34.61 | 35.25 | 35.90 |
| Sep 10, 2026 | 34.94 | 35.54 | 36.09 |
| Sep 9, 2026 | 34.93 | 35.45 | 36.00 |
| Sep 8, 2026 | 35.16 | 35.70 | 36.23 |
| Sep 7, 2026 | 35.25 | 35.73 | 36.21 |
| Sep 4, 2026 | 35.63 | 36.10 | 36.56 |
| Sep 3, 2026 | 35.95 | 36.38 | 36.87 |
| Sep 2, 2026 | 35.82 | 36.29 | 36.73 |
FIBK shares rose +2.33% in Wednesday, September 2, 2026's trading session, rising from a previous close of $36.32 to move at $37.16. The stock demonstrated notable intraday movement (see FIBK's key stats for a full breakdown), fluctuating between $36.42 and $37.39, a +2.66% trading range. While recent weeks have seen some volatility, FIBK has managed to secure a -1.72% drop over the past 2 weeks. The upward price movement was accompanied by decreased trading volume, with approximately 783.61K shares changing hands, 410.3K fewer than the previous session. This amounted to $29.12M in total market activity.
Will FIBK Continue Its Downward Trend?
According to analyst ratings and projections for FIBK, First Interstate BancSystem, Inc. shares are anticipated to decrease by -4.40%, potentially reaching $35.59 per share by September 15, 2026. Short-term technical indicators currently suggest a neutral sentiment for FIBK. For deeper insights, view our sentiment analysis on AAPL covering social and institutional perspectives. However, the stock has recorded 12 positive trading days within the past 30 sessions. Based on the FIBK stock forecast, now is not the best time to buy FIBK stock because its current trading price is +6.64% above our predicted value, hinting at a possible undervaluation. For deeper insights, view our sentiment analysis on FIBK covering social and institutional perspectives.
FIBK Technical Momentum: Overbought, Oversold, or Neutral?
An analysis of Relative Strength Index (RSI) indicators provides insight into FIBK's momentum. Short-term RSIs (9, 14, and 20-day figures ranging from 44.93% to 46.38%) suggest the stock is in a neutral to slightly bearish momentum phase. The 50-day RSI, at 50.43%, suggests a neutral medium-term outlook. Additionally, the 100-day RSI, at 51.70%, maintains a neutral outlook for the long term. Insights into FIBK's shareholder base show how institutional investors are positioning themselves during these momentum shifts
First Interstate BancSystem Short-Term Forecasts
FIBK Forecast For Next 5 Days
Our algorithm anticipates First Interstate BancSystem (FIBK) stock could hit $35.36 by Sep 09, 2026. This represents a -4.85% fall from today's price, following a -1.74% change over the past five days.
FIBK Forecast For Next 30 Days
Based on analysis of market trends, the outlook for First Interstate BancSystem, Inc. (FIBK) stock over the next 30 days is largely negative. Price forecasts suggest an average target of $36.33, which would mean a -2.23% decrease from the current price of $37.16. Projections for this period range from a high of $38.18 to a low of $34.31.
FIBK Forecast For Next 90 Days
Our proprietary market analysis suggests predictions for First Interstate BancSystem's price over the next three months point to a rise. FIBK stock is expected to peak at $43.09 on Nov 11, 2026 after potentially dipping to $35.62 on Sep 03, 2026. On average, FIBK is likely to trade around $38.54 in the coming 90 days.
First Interstate BancSystem Stock Forecast 2025
Based on our predictive models, First Interstate BancSystem (FIBK) is expected to trade between $35.62 and $43.09 throughout 2026. This would result in an average price of $38.80, potentially offering investors a +4.41% return from current levels.
First Interstate BancSystem, Inc. Monthly Forecast 2026–2027
September 2026
According to our latest forecast models, First Interstate BancSystem, Inc. (FIBK) is positioned to show a strong performance in September 2026. The price is predicted to move between $35.62 and $39.00, settling at an average of $37.29. This could translate to a +0.35% gain.
October 2026
Based on current market signals, First Interstate BancSystem, Inc. is projected to trend october 2026. We forecast a trading range from $36.95 to $39.66, with a likely average price of $38.40. Investors could expect a potential return of +3.34%.
November 2026
Our predictive algorithms indicate First Interstate BancSystem, Inc. stock may see a shift in November 2026. The expected range spans $38.48–$43.09, with an average target of $39.85. This represents a positive outlook and a possible gain of +7.24%.
December 2026
Analyzing established trends, First Interstate BancSystem, Inc. looks set to move in December 2026. Projections place the stock between $38.15 and $41.10, averaging around $39.59. This suggests a +6.54% gain from current levels.
January 2027
Market indicators suggest First Interstate BancSystem, Inc. could experience notable changes during January 2027. Prices could fluctuate within $37.17 to $40.20, with a midpoint forecast of $38.84. The stock might deliver a +4.52% gain.
February 2027
Forecasting for February 2027, models estimate that First Interstate BancSystem, Inc. may undergo key fluctuations. If trends hold, the stock might trade between $37.15 and $40.50, averaging $38.81. This signals a positive trajectory with potential returns around +4.44%.
March 2027
According to our latest forecast models, First Interstate BancSystem, Inc. (FIBK) is positioned to show a strong performance in March 2027. The price is predicted to move between $38.77 and $41.57, settling at an average of $39.97. This could translate to a +7.56% gain.
April 2027
Based on current market signals, First Interstate BancSystem, Inc. is projected to trend april 2027. We forecast a trading range from $39.85 to $42.50, with a likely average price of $41.22. Investors could expect a potential return of +10.93%.
May 2027
Our predictive algorithms indicate First Interstate BancSystem, Inc. stock may see a shift in May 2027. The expected range spans $39.60–$42.54, with an average target of $41.12. This represents a positive outlook and a possible gain of +10.66%.
June 2027
Analyzing established trends, First Interstate BancSystem, Inc. looks set to move in June 2027. Projections place the stock between $38.68 and $42.00, averaging around $40.32. This suggests a +8.50% gain from current levels.
July 2027
Market indicators suggest First Interstate BancSystem, Inc. could experience notable changes during July 2027. Prices could fluctuate within $38.65 to $42.30, with a midpoint forecast of $40.46. The stock might deliver a +8.88% gain.
August 2027
Forecasting for August 2027, models estimate that First Interstate BancSystem, Inc. may undergo key fluctuations. If trends hold, the stock might trade between $40.25 and $43.51, averaging $41.58. This signals a positive trajectory with potential returns around +11.89%.
September 2027
According to our latest forecast models, First Interstate BancSystem, Inc. (FIBK) is positioned to show a strong performance in September 2027. The price is predicted to move between $42.06 and $43.67, settling at an average of $42.79. This could translate to a +15.15% gain.
FIBK's history of dividends and stock splits also plays a role in long-term investor confidence.

