Options Chain for COLUMBIA BKG SYS INC COM (COLB) - $27.10 as of 8/29/2025 3:14:14 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 | 13.60 | 16.40 | 15.00 | % | 1.20 | 0 | 0 | 4.22 | 1.00 | 0.00 | 0.00 | 8/29/2025 3:59:52 PM EST | |||
| 15.00 | 11.10 | 13.80 | 12.45 | % | 0.83 | 0 | 0 | 3.37 | 1.00 | 0.00 | 0.00 | 8/29/2025 3:59:52 PM EST | |||
| 17.50 | 8.60 | 11.50 | 10.05 | % | 0.57 | 0 | 0 | 2.86 | 1.00 | 0.00 | 0.00 | 8/29/2025 3:59:52 PM EST | |||
| 20.00 | 6.10 | 9.00 | 7.55 | 4.90 | 0.00 | 0.00% | 0.38 | 0 | 14 | 2.28 | 0.99 | 0.02 | 0.00 | 8/12/2025 | 8/29/2025 3:59:52 PM EST |
| 22.50 | 3.70 | 6.70 | 5.20 | 4.25 | 0.00 | 0.00% | 0.23 | 0 | 0 | 1.86 | 0.88 | 0.05 | -0.02 | 8/22/2025 | 8/29/2025 3:59:52 PM EST |
| 25.00 | 1.40 | 4.30 | 2.85 | 2.19 | +0.14 | +6.83% | 0.11 | 2 | 6 | 1.39 | 0.70 | 0.09 | -0.03 | 8/29/2025 | 8/29/2025 3:59:52 PM EST |
| 30.00 | 0.00 | 0.35 | 0.18 | 0.11 | +0.02 | +22.23% | 0.01 | 3 | 1 | 0.54 | 0.23 | 0.08 | -0.03 | 8/29/2025 | 8/29/2025 3:59:52 PM EST |
| 35.00 | 0.00 | 2.15 | 1.08 | % | 0.03 | 0 | 0 | 1.83 | 0.04 | 0.02 | -0.01 | 8/29/2025 3:59:52 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 | % | 0.04 | 0 | 0 | 3.00 | 0.00 | 0.00 | 0.00 | 8/29/2025 3:59:52 PM EST | |||
| 15.00 | 0.00 | 0.05 | 0.03 | % | 0.00 | 0 | 0 | 1.21 | 0.00 | 0.00 | 0.00 | 8/29/2025 3:59:52 PM EST | |||
| 17.50 | 0.00 | 1.30 | 0.65 | % | 0.04 | 0 | 0 | 2.17 | 0.00 | 0.00 | 0.00 | 8/29/2025 3:59:52 PM EST | |||
| 20.00 | 0.00 | 0.10 | 0.05 | % | 0.00 | 0 | 0 | 0.75 | -0.01 | 0.02 | 0.00 | 8/29/2025 3:59:52 PM EST | |||
| 22.50 | 0.00 | 0.20 | 0.10 | 0.10 | 0.00 | 0.00% | 0.00 | 0 | 119 | 0.54 | -0.12 | 0.05 | -0.02 | 8/27/2025 | 8/29/2025 3:59:52 PM EST |
| 25.00 | 0.10 | 2.30 | 1.20 | 0.20 | 0.00 | 0.00% | 0.05 | 0 | 11 | 0.74 | -0.30 | 0.09 | -0.03 | 8/27/2025 | 8/29/2025 3:59:52 PM EST |
| 30.00 | 2.50 | 4.50 | 3.50 | 3.04 | 0.00 | 0.00% | 0.12 | 0 | 3 | 0.91 | -0.77 | 0.08 | -0.03 | 8/27/2025 | 8/29/2025 3:59:52 PM EST |
| 35.00 | 7.50 | 9.30 | 8.40 | % | 0.24 | 0 | 0 | 1.28 | -0.96 | 0.02 | -0.01 | 8/29/2025 3:59:52 PM EST |