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

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 DateCurrent ClosePrevious DatePrevious CloseDelta (%)
Nov 09, 2026$31.00Aug 04, 2026$31.78-2.45%
Nov 06, 2026$30.48Aug 03, 2026$31.50-3.24%
Nov 05, 2026$30.43Jul 31, 2026$31.27-2.70%
Nov 04, 2026$31.37Jul 30, 2026$31.25+0.38%
Nov 03, 2026$30.84Jul 29, 2026$30.78+0.19%
Nov 02, 2026$31.24Jul 28, 2026$31.27-0.10%
Oct 30, 2026$30.65Jul 27, 2026$30.90-0.81%
Oct 29, 2026$31.01Jul 24, 2026$31.15-0.45%
Oct 28, 2026$30.72Jul 23, 2026$32.26-4.77%
Oct 27, 2026$31.04Jul 22, 2026$32.63-4.87%
Oct 26, 2026$31.06Jul 21, 2026$32.85-5.45%
Oct 23, 2026$30.86Jul 20, 2026$32.80-5.93%
Oct 22, 2026$29.89Jul 17, 2026$33.24-10.08%
Oct 21, 2026$29.20Jul 16, 2026$33.61-13.12%
Oct 20, 2026$28.99Jul 15, 2026$32.57-10.99%
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