Options Chain for COLUMBIA BKG SYS INC COM (COLB) - $29.25 as of 1/16/2026 3:50:08 PM EST
Calls
| Strike | Bid | Ask | Premium | Last Price | Change | %Chg | Premium to Strike Price Ratio | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.50 | 15.40 | 18.50 | 16.95 | 10.55 | 0.00 | 0.00% | 1.36 | 0 | 0 | 3.48 | 1.00 | 0.00 | 0.00 | 6/23/2025 | 1/16/2026 4:00:03 PM EST |
| 15.00 | 12.90 | 16.10 | 14.50 | % | 0.97 | 0 | 0 | 2.93 | 1.00 | 0.00 | 0.00 | 1/16/2026 4:00:03 PM EST | |||
| 17.50 | 10.40 | 13.60 | 12.00 | % | 0.69 | 0 | 0 | 2.42 | 1.00 | 0.00 | 0.00 | 1/16/2026 4:00:03 PM EST | |||
| 20.00 | 7.20 | 11.10 | 9.15 | 8.61 | 0.00 | 0.00% | 0.46 | 0 | 2 | 1.99 | 1.00 | 0.00 | 0.00 | 1/14/2026 | 1/16/2026 4:00:03 PM EST |
| 22.50 | 5.30 | 8.00 | 6.65 | 6.20 | 0.00 | 0.00% | 0.30 | 0 | 55 | 1.36 | 1.00 | 0.00 | 0.00 | 12/3/2025 | 1/16/2026 4:00:03 PM EST |
| 25.00 | 3.00 | 6.00 | 4.50 | 4.60 | 0.00 | 0.00% | 0.18 | 0 | 235 | 1.20 | 1.00 | 0.00 | 0.00 | 1/15/2026 | 1/16/2026 4:00:03 PM EST |
| 30.00 | 0.20 | 0.70 | 0.45 | 0.70 | -0.01 | -1.41% | 0.02 | 25 | 4,248 | 0.27 | 0.30 | 0.15 | -0.01 | 1/16/2026 | 1/16/2026 4:00:03 PM EST |
| 35.00 | 0.00 | 0.75 | 0.38 | 0.05 | 0.00 | 0.00% | 0.01 | 0 | 2 | 0.74 | 0.01 | 0.01 | 0.00 | 1/13/2026 | 1/16/2026 4:00:03 PM EST |
| 40.00 | 0.00 | 0.95 | 0.48 | % | 0.01 | 0 | 0 | 1.09 | 0.00 | 0.00 | 0.00 | 1/16/2026 4:00:03 PM EST |
Puts
| Strike | Bid | Ask | Premium | Last Price | Change | %Chg | Premium to Strike Price Ratio | Volume | Open Interest | IV | Delta | Gamma | Theta | Last Trade | Last Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 12.50 | 0.00 | 0.95 | 0.48 | 0.15 | 0.00 | 0.00% | 0.04 | 0 | 2 | 2.45 | 0.00 | 0.00 | 0.00 | 10/17/2025 | 1/16/2026 4:00:03 PM EST |
| 15.00 | 0.00 | 0.30 | 0.15 | 0.27 | 0.00 | 0.00% | 0.01 | 0 | 3 | 1.44 | 0.00 | 0.00 | 0.00 | 7/28/2025 | 1/16/2026 4:00:03 PM EST |
| 17.50 | 0.00 | 0.10 | 0.05 | 0.11 | 0.00 | 0.00% | 0.00 | 0 | 233 | 0.91 | 0.00 | 0.00 | 0.00 | 11/25/2025 | 1/16/2026 4:00:03 PM EST |
| 20.00 | 0.00 | 0.75 | 0.38 | 0.08 | 0.00 | 0.00% | 0.02 | 0 | 26 | 1.18 | 0.00 | 0.00 | 0.00 | 12/17/2025 | 1/16/2026 4:00:03 PM EST |
| 22.50 | 0.00 | 0.20 | 0.10 | 0.10 | -0.01 | -9.10% | 0.00 | 2 | 498 | 0.51 | 0.00 | 0.00 | 0.00 | 1/16/2026 | 1/16/2026 4:00:03 PM EST |
| 25.00 | 0.10 | 0.60 | 0.35 | 0.20 | 0.00 | 0.00% | 0.01 | 0 | 267 | 0.44 | 0.00 | 0.00 | 0.00 | 1/15/2026 | 1/16/2026 4:00:03 PM EST |
| 30.00 | 0.90 | 3.50 | 2.20 | 1.50 | +0.10 | +7.15% | 0.07 | 5 | 12 | 0.76 | -0.70 | 0.15 | -0.01 | 1/16/2026 | 1/16/2026 4:00:03 PM EST |
| 35.00 | 4.70 | 7.80 | 6.25 | % | 0.18 | 0 | 0 | 0.96 | -0.99 | 0.01 | 0.00 | 1/16/2026 4:00:03 PM EST | |||
| 40.00 | 9.10 | 12.30 | 10.70 | % | 0.27 | 0 | 0 | 1.07 | -1.00 | 0.00 | 0.00 | 1/16/2026 4:00:03 PM EST |