COLB short interest
Columbia Banking System Inc. · Financial Services · Banks - Regional · settlement date 2026-09-30
| Shares short | 11,055,591 |
|---|---|
| Change vs prior report | 500,353 (+4.7%) |
| Change over six months | -1.2% |
| Days to cover | 3.89 (sector: 2.70) |
| Average daily volume | 2,840,750 |
| Rank in Financial Services | #347 of 1,016 by days to cover |
COLB short interest, last 12 months
| Settlement | Shares short | Change | Days to cover | Avg daily volume |
|---|---|---|---|---|
| 2026-09-30 | 11,055,591 | +4.7% | 3.89 | 2,840,750 |
| 2026-09-15 | 10,555,238 | -1.1% | 3.52 | 2,997,774 |
| 2026-08-31 | 10,672,930 | +8.6% | 3.99 | 2,677,532 |
| 2026-08-14 | 9,828,071 | +13.9% | 3.83 | 2,564,703 |
| 2026-07-31 | 8,629,160 | -10.4% | 2.57 | 3,362,717 |
| 2026-07-15 | 9,626,180 | +11.9% | 3.79 | 2,541,289 |
| 2026-06-30 | 8,602,470 | -9.4% | 2.63 | 3,270,496 |
| 2026-06-15 | 9,499,305 | -3.3% | 3.31 | 2,868,404 |
| 2026-05-29 | 9,820,675 | +10.5% | 3.96 | 2,476,936 |
| 2026-05-15 | 8,889,228 | -3.5% | 2.98 | 2,983,707 |
| 2026-04-30 | 9,216,519 | -0.8% | 3.83 | 2,405,784 |
| 2026-04-15 | 9,289,482 | -17.0% | 3.35 | 2,770,607 |
| 2026-03-31 | 11,193,403 | -9.1% | 3.47 | 3,228,572 |
| 2026-03-13 | 12,313,581 | +10.3% | 4.35 | 2,832,714 |
| 2026-02-27 | 11,162,309 | +3.4% | 3.84 | 2,903,408 |
| 2026-02-13 | 10,796,357 | +22.5% | 3.76 | 2,870,886 |
| 2026-01-30 | 8,815,556 | +8.1% | 2.56 | 3,438,835 |
| 2026-01-15 | 8,158,129 | -6.5% | 3.96 | 2,060,857 |
| 2025-12-31 | 8,722,524 | -4.2% | 4.15 | 2,102,322 |
| 2025-12-15 | 9,108,389 | -6.0% | 3.31 | 2,753,692 |
| 2025-11-28 | 9,684,192 | +4.2% | 3.49 | 2,774,706 |
| 2025-11-14 | 9,295,114 | -2.4% | 2.89 | 3,220,250 |
| 2025-10-31 | 9,525,714 | -1.9% | 1.75 | 5,440,180 |
| 2025-10-15 | 9,711,008 | +13.8% | 1.75 | 5,544,999 |
| 2025-09-30 | 8,531,147 | +29.7% | 1.52 | 5,623,170 |
import finzdata as yf
yf.Ticker("COLB").short_interest # every report since 2017
yf.Client().short_interest(["COLB"], start="2018-01-01")Financial Services short interest · COLB price history · Who owns COLB · All short interest