NASDAQ: COLB · Regional Banks
Columbia Banking System (COLB) fair value: undervalued or overvalued?
As of 31 Oct 2026, Faircurve's model values Columbia Banking System (COLB) at $29.38 a share. The stock last closed at $30.84, which puts the model's fair value 4.7% below the price. On the model's bands that reads as Fairly valued.
Revalued . Price is the close of 3 Nov 2026. Columbia Banking System, Inc.
The report adds the live price, the price chart, the next earnings date and the analysts' consensus. No account needed.
This week, in three parts
What happenedThe run of 31 Oct 2026 held the fair value at $29.38, within 1% of the run of 24 Oct 2026.
What the model makes of itThe price of $30.84 is 4.7% above it: Fairly valued, on a high evidence grade.
What's nextNext report on 28 Jan 2027. The next weekly run is on Saturday 7 Nov 2026.
What price range does the model give COLB?
The calibrated range for COLB over 63 trading days is $23.80 to $35.09. There is no live options data for this stock, so the range is built from the fair value and calibrated weekly against realised prices (n = 10,454 past valuations, refreshed 31 Oct 2026). Ranges built this way held the price 60% of the time at this horizon.
The model's own simulated range, from the 20th to the 80th percentile of its runs, is $22.80 to $37.15. In 45% of the simulations the fair value came out above the price the model ran on.
Faircurve Insights · 31 Oct 2026
Columbia Banking System, Inc. (COLB) is the bank holding company for Columbia Bank, which provides banking, private banking, mortgage and other financial services in the United States.
Faircurve's model put the fair value at $29.38 a share on 31 Oct 2026, the midpoint of 2,000 simulations. The previous run, on 24 Oct 2026, gave $29.12, so the fair value moved +0.9%. The calibrated range over 63 trading days runs from $23.80 to $35.09. It is built from the fair value, as there is no live options data for the stock, and calibrated weekly against realised prices from 10,454 past valuations, refreshed 31 Oct 2026. Ranges built this way held the price 60% of the time at this horizon. The evidence grade is High. For banks, insurers and mortgage REITs, the grade rests on the number and agreement of comparable companies, the width of the range of outcomes, and whether the valuation methods agree. It does not say whether the fair value is right.
Faircurve's model compares the company with eight peers, each with its own fair value on the site. They are Prosperity Bancshares, Inc. (PB), Western Alliance Bancorporation (WAL), Zions Bancorporation, National Association (ZION), Old National Bancorp (ONB), Cullen/Frost Bankers, Inc. (CFR), Commerce Bancshares, Inc. (CBSH), Valley National Bancorp (VLY) and SouthState Bank Corp. (SSB). The figures supplied include no quality score, factor scores or peer median.
Written from the figures on this page for the 31 Oct 2026 valuation and checked by rule before publishing: every number is one printed here, no forecast, no instruction. The price, the gap and the verdict are the page's own and change daily. Not a recommendation.
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When does COLB report earnings, and how has the stock reacted?
Columbia Banking System's next earnings report is scheduled for 28 Jan 2027. Companies can move their dates.
Around its last 8 reports: what the options market priced, and what followed
Each move runs from the last close before the report to the first close after it, so it covers companies that report before the open and after the close. The median size across COLB's last 8 reports, ignoring direction, was 2.3%.
How does COLB compare with similar companies?
The companies in regional banks closest to Columbia Banking System in market value, each on the same model and the same date.
| Company | Last close | Model fair value | Gap | Model verdict |
|---|---|---|---|---|
| PB Prosperity Bancshares, Inc. | $73.11 | $48.85 | -33.2% | Overvalued |
| WAL Western Alliance Bancorporation | $76.77 | $102.35 | +33.3% | Undervalued |
| ZION Zions Bancorporation, National Association | $65.75 | $89.94 | +36.8% | Undervalued |
| ONB Old National Bancorp | $25.42 | $25.13 | -1.1% | Fairly valued |
| CFR Cullen/Frost Bankers, Inc. | $159.14 | $131.53 | -17.3% | Overvalued |
| CBSH Commerce Bancshares, Inc. | $55.63 | $53.12 | -4.5% | Fairly valued |
| VLY Valley National Bancorp | $14.27 | $13.57 | -4.9% | Fairly valued |
| SSB SouthState Bank Corp. | $105.95 | $87.07 | -17.8% | Overvalued |
Columbia Banking System at a glance
Columbia Banking System, Inc. operates as the bank holding company for Columbia Bank that provides banking, private banking, mortgage, and other financial services in the United States.
- Market value
- $8.9B
- Sector
- Financial Services
- Industry
- Regional Banks
- Consensus revenue growth, next fiscal year
- -14.4%
- Analysts with estimates
- 10
- Beta to the US market
- 0.76
- First valued by Faircurve
- 11 Jul 2026
At the close of 3 Nov 2026, 52.1% of the 1,081 graded US stocks the model covers traded below the model's fair value. COLB was not among them.
How the fair value is worked out: the model prices Columbia Banking System on the share price against the net assets on the balance sheet, adjusted for the earnings analysts expect (price to book value), runs 2,000 simulations across its inputs and takes the midpoint. The full method is documented here.
What changed in the latest valuation?
On 24 Oct 2026 the model's fair value for COLB was $29.12. As of 31 Oct 2026 it is $29.38, a change of +0.9%. The model revalues every stock it covers each week, and again after an earnings report.
Questions about Columbia Banking System's valuation
Is Columbia Banking System stock undervalued or overvalued?
On Faircurve's model, COLB reads as Fairly valued as of 31 Oct 2026. The model's fair value is $29.38 a share against a last close of $30.84, a gap of -4.7%.
What is COLB's fair value?
$29.38 a share as of 31 Oct 2026, the midpoint of 2,000 simulations. The model's own 20th to 80th percentile range is $22.80 to $37.15.
What price range does the model give COLB?
$23.80 to $35.09 over 63 trading days. Ranges built this way held the price 60% of the time across 10,454 past valuations, refreshed 31 Oct 2026.
When does Columbia Banking System report earnings next?
The next report is scheduled for 28 Jan 2027. Companies can move their dates.
How much has COLB moved on past earnings reports?
Across its last 8 reports the median two session move was 2.3%, ignoring direction. The largest was +5.7% around the report of 22 Oct 2026.
How confident is the model in this valuation?
The model's evidence grade for COLB is high. For banks, insurers and mortgage real estate investment trusts (REITs) the grade looks at how many comparable companies there are and how closely they agree, how wide the range of outcomes is, and whether the model's valuation methods agree with each other. It is not a probability that the fair value is right, or that the price reaches it.
The model's own ideas on COLB
The model holds no idea open on COLB today. Signed-in readers see the rule each idea runs on, the floor and the exit level the model set and its time limit, and the model's closed ideas on COLB with their outcomes. A free account is enough.