
Columbia Banking System Inc. (COLB)
Showing Closing Date Range from Aug 11 to Nov 9, 2026 compared to May 12 to Aug 10, 2026.
Compare Last 3 Months with Previous Period
Investor Relations:columbiabank.com
Current Period Close
$31.00
Aug 11, 2026 - Nov 09, 2026
Previous Period Close
$31.26
May 12, 2026 - Aug 10, 2026
Net Comparison Delta
$-0.26 (-0.83%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(58 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Nov 09, 2026 | $31.00 | Aug 04, 2026 | $31.78 | -2.45% |
| Nov 06, 2026 | $30.48 | Aug 03, 2026 | $31.50 | -3.24% |
| Nov 05, 2026 | $30.43 | Jul 31, 2026 | $31.27 | -2.70% |
| Nov 04, 2026 | $31.37 | Jul 30, 2026 | $31.25 | +0.38% |
| Nov 03, 2026 | $30.84 | Jul 29, 2026 | $30.78 | +0.19% |
| Nov 02, 2026 | $31.24 | Jul 28, 2026 | $31.27 | -0.10% |
| Oct 30, 2026 | $30.65 | Jul 27, 2026 | $30.90 | -0.81% |
| Oct 29, 2026 | $31.01 | Jul 24, 2026 | $31.15 | -0.45% |
| Oct 28, 2026 | $30.72 | Jul 23, 2026 | $32.26 | -4.77% |
| Oct 27, 2026 | $31.04 | Jul 22, 2026 | $32.63 | -4.87% |
| Oct 26, 2026 | $31.06 | Jul 21, 2026 | $32.85 | -5.45% |
| Oct 23, 2026 | $30.86 | Jul 20, 2026 | $32.80 | -5.93% |
| Oct 22, 2026 | $29.89 | Jul 17, 2026 | $33.24 | -10.08% |
| Oct 21, 2026 | $29.20 | Jul 16, 2026 | $33.61 | -13.12% |
| Oct 20, 2026 | $28.99 | Jul 15, 2026 | $32.57 | -10.99% |
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