stockNASDAQ: COLB • 28 Days Updates
Columbia Banking System Inc. (COLB)
Showing Closing Date Range from Sep 11 to Oct 9, 2026.
Investor Relations:columbiabank.com
Price & Performance Trajectory
Columbia Banking System Inc.NASDAQ: COLB
Latest Close
$28.37
28 Days Updates Trajectory
Showing Closing Date Range from Sep 11 to Oct 9, 2026.Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesCOLB session performance
✓ Latest Close USD
$28.37
Latest session close
$-1.74vs period start
Period Return % % GAIN
-5.78%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$30.55 / $27.92
Period range envelope
$2.63channel spread
Total Volume SHARES
42.73M
Period turnover
Avg: 2.85M/dLiquidity
Historical Session Ledger
Daily open, high, low, and close prices with volume and period returns.
Historical Quotes & Breakdown(15 dates)
| Date | Close (USD) | Return % | High | Low | Volume |
|---|---|---|---|---|---|
| Oct 09, 2026 | $28.37 | -0.56% | $28.53 | $28.20 | 1.60M |
| Oct 08, 2026 | $28.53 | +0.96% | $28.55 | $27.92 | 3.45M |
| Oct 07, 2026 | $28.26 | -2.18% | $28.91 | $27.96 | 3.20M |
| Oct 06, 2026 | $28.89 | +0.17% | $29.17 | $28.75 | 2.43M |
| Oct 05, 2026 | $28.84 | -0.28% | $29.10 | $28.61 | 2.56M |
| Oct 02, 2026 | $28.92 | +0.66% | $29.25 | $28.81 | 2.38M |
| Sep 24, 2026 | $29.18 | +1.14% | $29.25 | $28.76 | 2.93M |
| Sep 23, 2026 | $28.85 | -3.51% | $29.49 | $28.82 | 2.60M |
| Sep 21, 2026 | $29.90 | -0.10% | $30.31 | $29.82 | 2.19M |
| Sep 18, 2026 | $29.93 | -0.07% | $29.97 | $29.59 | 6.48M |
| Sep 17, 2026 | $29.95 | +0.77% | $30.33 | $29.82 | 2.19M |
| Sep 16, 2026 | $29.72 | -1.43% | $30.26 | $29.18 | 2.83M |
| Sep 15, 2026 | $30.15 | +0.13% | $30.53 | $30.09 | 2.41M |
| Sep 14, 2026 | $30.11 | +0.00% | $30.55 | $29.90 | 2.90M |
| Sep 11, 2026 | $30.11 | +0.23% | $30.45 | $29.68 | 2.59M |