NASDAQ: FIBK

First Interstate BancSystem (FIBK) Stock Analysis & Forecast

Oct 12 close

$34.79+0.27 (+0.8%)

Gekko Brief

AI summaryOct 12 close

This week's news around FIBK centers on analyst activity and scheduled third-quarter results. Wall Street Zen upgraded the stock from "sell" to "hold," while Barclays raised its price target to $38.00 even as it maintains an "Underweight" rating; the consensus among covering analysts remains a "Reduce" rating with a $37.00 average target. A separate model-based analysis suggested the stock may be 21% undervalued based on expected profits above its equity cost. The company also confirmed it will report third-quarter 2026 results after market close on 22 October, with a conference call the following morning. A filing disclosed a 6,990-share gift by ten-percent owners, leaving a reported position of 2,038,296 shares.

FIBK closed at $34.79, up 0.8%, with its close sitting between the 50-day average of $37.01 and the 200-day average of $36.28. The stock's one-month return stands at -5.8% and its three-month return at -10.7%, against a 52-week range of $29.10 to $40.60. The GekkoIndex reads 67, placing it in the Accumulation zone, and the gap to Gekko Fair Value of $37.05 stands at -6.1%.

Earnings arrive on 22 October, nine days out and within a typical 20-trading-day holding window; the prior quarter saw EPS of $1.08 against a $0.63 estimate, with a -2% reaction. Seasonality from this point has averaged +7.1% over the next 20 trading days across 5 years, rising in 5 of them. No insider, Congress, or unusual options activity appears in the current window.

Written by AI from the Oct 12, 2026 close and checked automatically against the figures on this page.

First Interstate BancSystem price vs fair value

$37.05$34.79Oct ’25Apr ’26Oct ’26
Close $34.79200-day averageGekko Fair Value $37.05

First Interstate BancSystem quick facts

Market cap
$3.38B
P/E ratio
10.8
Forward P/E
12.2
EPS, TTM
$3.23
Revenue, TTM
$1.06B
Profit margin
30.6%
Dividend yield
5.41%
Beta
0.71
Volume
836,049 avg 1.35M
1-year return
+11.0%
Typical daily move
±2%
Typical 20-day move
±5.4%
50-day average
$37.01
200-day average
$36.28
Next earnings
Oct 22
Shares outstanding
95.31M
52-week range
$29.10$40.60

First Interstate BancSystem swing-trade checklist

First Interstate BancSystem scores 3 supportive, 1 mixed and 1 headwind across the 5 checklist items with data.

Six things swing traders check before a 20-day hold, read from the latest data.

3 supportive1 mixed1 headwind

  • Trendmixed

    Averages disagree

    Close $34.79 sits between the 50-day ($37.01) and 200-day ($36.28) averages, or the averages disagree.

    See the chart
  • GekkoIndexsupportive

    67, Accumulation

    Reading 67 is in the Accumulation zone.

    See the GekkoIndex
  • Fair valuesupportive

    6.1% below

    Price is 6.1% below Gekko Fair Value (more than 5% below).

    See fair value
  • Smart moneyno data

    No data

    No insider, Congress or unusual options activity in the window.

    See smart money
  • Earnings riskheadwind

    Reports in 10 days

    Reports on Oct 22, 2026, 10 days away — inside a typical 20-trading-day hold.

    See earnings
  • Seasonalitysupportive

    +7.1% on average

    From this point in the calendar, the next 20 trading days averaged +7.1% over 5 years, rising in 5 of them.

    See seasonality

A description of current data, not a recommendation. How this page works

First Interstate BancSystem stock chart and price history

First Interstate BancSystem closed at $34.79 on Oct 12, 2026, +11.0% over the past year, inside a 52-week range of $29.10 to $40.60.

Close50-day average200-day averageVolume
First Interstate BancSystem share price, past year, with 50-day and 200-day moving averages and volume$30$40NovDecJan 2026FebMarAprMayJunJulAugSepOct34.79

Use the left and right arrow keys to read daily values.

Performance Breakdown

1 month
−5.8%
3 months
−10.7%
6 months
+1.0%
1 year
+11.0%
The full FIBK chart adds GekkoIndex, insider, options, Congress and hedge fund markers, plus TrendCandles™.Open FIBK in Gekko

Follow First Interstate BancSystem through every session

Put FIBK on a Gekko watchlist and see its GekkoIndex, Gekko Fair Value and smart money signals update on the chart as they change.

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First Interstate BancSystem GekkoIndex: the smart money zone

First Interstate BancSystem’s GekkoIndex — Gekko’s 0 to 100 smart money score — reads 67, in the Accumulation zone, up 1.7 points over five sessions.

010067Accumulation

Up 1.7 points over five sessions.

Reading for Oct 12, 2026

What followed past readings in each zone

ZoneReadings5 days10 days20 days50 days
Buying29+1.9%+4.6%+1.3%+0.9%
Accumulation (current zone)202+0.8%+1.0%+3.1%+5.1%
Neutral428−0.1%+0.1%+0.6%+2.8%
Distribution22−0.2%−3.7%−6.3%−4.7%
Selling1Too few readings yet

Average FIBK share-price change over the trading days after each daily reading in its GekkoIndex history. Across every stock Gekko tracks, Accumulation readings averaged +2.2% over 20 days. Past behaviour doesn’t guarantee future results.

Accumulation zone: Institutional interest building. About the five zones →

See every daily GekkoIndex reading plotted over the FIBK price, zone by zone.Track FIBK in Gekko

Is First Interstate BancSystem stock overvalued? Gekko Fair Value

First Interstate BancSystem trades 6.1% below Gekko Fair Value of $37.05, so the shares are undervalued on Gekko’s estimate.

Gekko’s own estimate of what First Interstate BancSystem shares are worth, recalculated every trading day.

$37.05

Gekko Fair Value, Oct 10, 2026

6.1% Undervalued

At the end of Aug 2026 the price was 2.5% below the estimate.

Gekko Fair ValueShare price, month end
$37$35Aug 2026SepOct 2026

How Gekko Fair Value works →

Gekko Fair Value on every chart, with the gap to price updating daily.Open FIBK in Gekko

First Interstate BancSystem insider and Congress trading

No open-market insider purchases were filed for First Interstate BancSystem, and no Congress trades were disclosed, in the last 90 days.

Plus buybacks, unusual options and fund positions, each dated to when it became public.

Insider buying last 90 days

No open-market insider purchases were filed for FIBK in the last 90 days.

From Form 4 filings, dated to when each was filed.

Every FIBK insider filing, plotted on the chart in Gekko.Open FIBK in Gekko

Congress trades last 90 days

No trades in FIBK were disclosed by members of Congress in the last 90 days.

From congressional disclosures, which report amounts as ranges.

Congress disclosures for FIBK, plotted on the chart in Gekko.Open FIBK in Gekko

Buybacks

First Interstate BancSystem has been buying back its own shares.

Latest authorization
$150.0M, Jul 23, 2026
Bought back, quarter ended Jun 30, 2026
$69.50M
As a share of market cap
2.06%
Trailing four quarters
$275.9M

From company filings.

First Interstate BancSystem earnings: next date and track record

First Interstate BancSystem reports on Oct 22, 2026 (10 days away), and beat the EPS estimate in 6 of its last 8 reports.

6 of 8reports beat the EPS estimate
±2.8%average move across the report
3 of 8reports followed by a gain

Share-price move across each report

+1.6%Apr ’24+2.4%Jul ’24−3.2%Oct ’24+0.8%Jan ’25−6.7%Apr ’25−3.5%Jul ’25−2.4%Oct ’25−2.0%Jan ’26

Last earnings call, Jan 28, 2026 AI summary

What they said
Overall, the call centers on First Interstate BancSystem's 4Q25 results and 2026 plan, highlighting progress on core profitability, balance sheet strength, and a reoriented footprint toward growth markets. The company notes improved credit quality in Q4 after stabilization in Q3, modest net interest income pressure from asset mix and branch divestitures, and a disciplined approach to credit and expense management. Management reaffirmed a constructive path for 2026 with a target of NIM north of 3.5% by year-end, continued use of capital return (share repurchase) to appropriate levels, and a plan to grow full banking relationships in high-potential markets (notably Colorado) while controlling costs. The call also includes ongoing Q&A on loan growth, risk management, and the impact of branch divestitures and reorganizations on earnings and capital.
Guidance
Forward-looking guidance includes: NIM expected to be north of 3.5% by end of 2026; 2026 expense guide of $630-645 million for the year (assuming Nebraska branch sale closes in Q2); quarterly expense cadence around $159-160 million; loan growth expected to be modest with some payoffs already in the base and some modest recovery in H2 2026; CET1 around 14.4%; continued share repurchases with an incremental authorization up to $300 million; a plan to maintain margins sequentially improving through 2027.
Risks flagged
Key risk factors mentioned include: sensitivity to credit quality and charge-offs driven by large defaults; payoffs of criticized loans and potential variability in credit metrics; potential changes in loan mix and deposits due to branch divestitures and balance sheet optimization; competition for rates and terms affecting loan production; macroeconomic uncertainty and the absence of a credit cycle for two decades; regulatory and market-driven capital decisions; dependence on continued success of reorganization and execution of the client-first strategy.
ReportedEPSSurpriseRevenueSurpriseMove
Jan 28, 2026$1.08
est $0.63
+71.4%$313.0M
est $258.8M
+21.0%−2.0%
Oct 29, 2025$0.69
est $0.59
+16.9%$250.5M
est $253.7M
−1.3%−2.4%
Jul 29, 2025$0.69
est $0.57
+21.1%$248.3M
est $258.6M
−4.0%−3.5%
Apr 29, 2025$0.49
est $0.56
−12.5%$247.0M
est $254.6M
−3.0%−6.7%
Jan 29, 2025$0.50
est $0.49
+2.0%$261.3M
est $253.5M
+3.1%+0.8%
Oct 24, 2024$0.54
est $0.58
−6.9%$251.9M
est $251.2M
+0.3%−3.2%
Jul 25, 2024$0.58
est $0.55
+5.5%$244.3M
est $251.2M
−2.7%+2.4%
Apr 24, 2024$0.57
est $0.50
+14.0%$242.2M
est $246.1M
−1.6%+1.6%

“Move” is the close of the first session after the report compared with the close of the last session before it, so it reads the same whether the company reported before the open or after the close.

First Interstate BancSystem stock forecast and analyst price targets

Analysts’ average 12-month price target for First Interstate BancSystem is $37.00, +6.4% from the last close, from 6 firms rating the stock in the last 90 days.

$37.00consensus 12-month target, +6.4% from the last close
Low $34High $41
Buy1
Hold3
Sell2

Each firm’s latest rating in the last 90 days: 6 firms.

Latest analyst actions

DateFirmRatingTargetvs price
Oct 5BarclaysSell, maintained$38+9.2%
Sep 24StoneXHold, initiated——
Sep 21Piper SandlerBuy, maintained$41+17.8%
Aug 10UBSSell, initiated$34−2.3%
Aug 3BarclaysSell, downgraded$37+6.4%
+3.1%average 20-day move after past Accumulation readings
+7.1%average move over the next 20 trading days in the last 5 years
±2%typical daily move, from the 14-day average range

Gekko doesn’t publish price predictions. These are analyst targets and historical base rates, which don’t guarantee future results.

First Interstate BancSystem seasonality: the next 20 trading days

Over the next 20 trading days from Oct 10, First Interstate BancSystem averaged +7.1% across the last 5 years, rising in 5 of them.

Next 20 trading days, by year

+3.7%2021+8.1%2022+0.2%2023+9.9%2024+7.0%2025

Average move and hit rate

WindowAverageYears higher
Next 5 trading days+2.3%3 of 5
Next 10 trading days+0.8%4 of 5
Next 15 trading days+3.1%4 of 5
Next 20 trading days+7.1%5 of 5
Next 30 trading days+5.7%5 of 5

For scale, FIBK’s typical 20-trading-day move in either direction is about 5.4%.

First Interstate BancSystem market cap and key statistics

First Interstate BancSystem’s market cap is $3.38B, with a P/E ratio of 10.8 and revenue of $1.06B over the last twelve months.

Valuation

Market cap
$3.38B
P/E ratio
10.8
Forward P/E
12.2
EPS, TTM
$3.23
Gekko Fair Value
$37.05

Trading

Volume
836,049
Avg volume, 20 days
1.35M
52-week high
$40.60
52-week low
$29.10
Shares outstanding
95.31M

Financials

Revenue, TTM
$1.06B
Profit margin
30.6%
Return on equity
9.6%
Quarterly earnings growth, YoY
+25.9%

Risk and income

Beta
0.71
Typical daily move
±2%
Typical 20-day move
±5.4%
Dividend yield
5.41%

First Interstate BancSystem peers

First Interstate BancSystem’s 6 largest industry peers by market value, with today’s move, GekkoIndex zone and gap to Gekko Fair Value.

StockTodayGekkoIndex zonevs Fair Value
CMCanadian Imperial Bank of Commerce+0.4%Accumulation5.7% below
USBU.S. Bancorp+0.4%Accumulation11.0% below
NUNu−0.6%Neutral0.7% below
TFCTruist Financial+0.9%Accumulation9.6% below
FITBFifth Third Bancorp+0.1%Accumulation11.2% below
MTBM&T Bank+0.9%Accumulation9.1% below

A peer links to its own page where one exists.

In the Buying zone today

Reporting earnings this week

Popular on Gekko

First Interstate BancSystem stock FAQ

What is First Interstate BancSystem’s market cap?

First Interstate BancSystem’s market cap is $3.38B at the Oct 12, 2026 close of $34.79, with 95.31M shares outstanding. The shares trade on a P/E ratio of 10.8.

What is the First Interstate BancSystem stock forecast?

The consensus analyst 12-month price target for First Interstate BancSystem is $37.00, +6.4% from the last close. Of the 6 firms that rated the stock in the last 90 days, 1 rate it a buy, 3 a hold and 2 a sell. Gekko doesn’t publish price predictions of its own.

Is First Interstate BancSystem stock overvalued or undervalued?

On Gekko’s estimate First Interstate BancSystem is undervalued: the Oct 12, 2026 close of $34.79 is 6.1% below Gekko Fair Value of $37.05. Gekko Fair Value is recalculated every trading day, and a gap inside 5% either way counts as about fair value.

When does First Interstate BancSystem report earnings next?

First Interstate BancSystem is expected to report on Oct 22, 2026 (10 days away). Analysts expect earnings of $0.92 per share on revenue of $247.9M. First Interstate BancSystem beat the earnings estimate in 6 of its last 8 reports, moving 2.8% on average across the report.

What is First Interstate BancSystem’s 52-week high and low?

First Interstate BancSystem’s 52-week high is $40.60 and its 52-week low is $29.10; it closed at $34.79 on Oct 12, 2026, +11.0% over the past year. Over the last five years the shares peaked at $46.34 on Nov 2, 2022.

Is First Interstate BancSystem stock a buy right now?

Gekko describes the data; it does not make buy or sell recommendations. On the swing-trade checklist, 3 of the 5 items with data read as supportive (gekkoindex, fair value and seasonality), 1 as mixed (trend) and 1 as a headwind (earnings risk). The checklist is a description of current data, not a recommendation.

How this page works

During US trading hours the price at the top of the page is a delayed quote, refreshed every 15 minutes; everything else is rebuilt after each US market close. The GekkoIndex, Gekko Fair Value and the checklist are Gekko’s own, and the Gekko Brief is written by AI from this page’s data and checked against it before it is published. How Gekko’s data works →

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