Columbia Banking System Inc. (COLB)

Showing Closing Date Range from Oct 21, 2025 to Oct 21, 2026 compared to Oct 20, 2024 to Oct 20, 2025.

Compare Last 12 Months with Previous Period

Current Period Close
$29.20
Oct 21, 2025 - Oct 21, 2026
Previous Period Close
$25.36
Oct 20, 2024 - Oct 20, 2025
Net Comparison Delta
+$3.84 (+15.14%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(246 dates)
Current DateCurrent ClosePrevious DatePrevious CloseDelta (%)
Oct 21, 2026$29.20Oct 14, 2025$26.74+9.20%
Oct 20, 2026$28.99Oct 13, 2025$25.71+12.76%
Oct 19, 2026$28.33Oct 10, 2025$24.90+13.78%
Oct 16, 2026$28.44Oct 09, 2025$25.66+10.83%
Oct 15, 2026$28.63Oct 08, 2025$25.64+11.66%
Oct 14, 2026$28.03Oct 07, 2025$26.19+7.03%
Oct 13, 2026$28.23Oct 06, 2025$26.58+6.21%
Oct 12, 2026$28.51Oct 03, 2025$26.41+7.95%
Oct 09, 2026$28.37Oct 02, 2025$25.93+9.41%
Oct 08, 2026$28.53Oct 01, 2025$25.96+9.90%
Oct 07, 2026$28.26Sep 30, 2025$25.74+9.79%
Oct 06, 2026$28.89Sep 29, 2025$25.66+12.59%
Oct 05, 2026$28.84Sep 26, 2025$26.06+10.67%
Oct 02, 2026$28.92Sep 25, 2025$25.80+12.09%
Sep 24, 2026$29.18Sep 24, 2025$26.15+11.59%
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