Options Chain for COLUMBIA BKG SYS INC COM (COLB) - $26.02 as of 10/30/2025 8:11:53 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7.50 | 15.30 | 17.40 | 16.35 | % | 2.18 | 0 | 0 | EST | |||||||
| 10.00 | 12.90 | 14.90 | 13.90 | % | 1.39 | 0 | 0 | EST | |||||||
| 12.50 | 10.30 | 12.40 | 11.35 | % | 0.91 | 0 | 0 | EST | |||||||
| 15.00 | 7.80 | 10.00 | 8.90 | % | 0.59 | 0 | 2 | EST | |||||||
| 15.00 | 10.10 | 13.50 | 11.80 | % | 0.79 | 0 | 0 | 2.23 | 1.00 | 0.00 | 0.00 | 10/30/2025 3:59:59 PM EST | |||
| 17.50 | 5.90 | 7.40 | 6.65 | % | 0.38 | 0 | 0 | EST | |||||||
| 17.50 | 7.50 | 11.00 | 9.25 | 8.01 | 0.00 | 0.00% | 0.53 | 0 | 0 | 1.80 | 1.00 | 0.00 | 0.00 | 10/21/2025 | 10/30/2025 3:59:59 PM EST | 
| 20.00 | 3.70 | 4.90 | 4.30 | 4.80 | 0.00 | 0.00% | 0.21 | 0 | 3 | 10/29/2025 | EST | ||||
| 20.00 | 4.60 | 8.50 | 6.55 | % | 0.33 | 0 | 0 | 1.52 | 0.94 | 0.03 | 0.00 | 10/30/2025 3:59:59 PM EST | |||
| 22.50 | 1.35 | 3.00 | 2.18 | % | 0.10 | 0 | 5 | EST | |||||||
| 22.50 | 3.00 | 6.40 | 4.70 | 3.00 | 0.00 | 0.00% | 0.21 | 0 | 1 | 1.29 | 0.80 | 0.06 | -0.01 | 10/20/2025 | 10/30/2025 3:59:59 PM EST | 
| 25.00 | 0.00 | 1.85 | 0.93 | 1.25 | 0.00 | 0.00% | 0.04 | 0 | 2 | 9/19/2025 | EST | ||||
| 25.00 | 1.05 | 2.45 | 1.75 | 2.31 | -0.29 | -11.16% | 0.07 | 1 | 26 | 0.51 | 0.61 | 0.08 | -0.02 | 10/30/2025 | 10/30/2025 3:59:59 PM EST | 
| 30.00 | 0.00 | 1.00 | 0.50 | % | 0.02 | 0 | 2 | EST | |||||||
| 30.00 | 0.00 | 1.50 | 0.75 | 0.30 | 0.00 | 0.00% | 0.03 | 0 | 18 | 0.77 | 0.23 | 0.06 | -0.01 | 10/28/2025 | 10/30/2025 3:59:59 PM EST | 
| 35.00 | 0.00 | 1.00 | 0.50 | % | 0.01 | 0 | 0 | EST | |||||||
| 35.00 | 0.00 | 0.20 | 0.10 | % | 0.00 | 0 | 0 | 0.56 | 0.07 | 0.03 | -0.01 | 10/30/2025 3:59:59 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7.50 | 0.00 | 1.00 | 0.50 | % | 0.07 | 0 | 0 | EST | |||||||
| 10.00 | 0.00 | 1.00 | 0.50 | % | 0.05 | 0 | 0 | EST | |||||||
| 12.50 | 0.00 | 1.00 | 0.50 | % | 0.04 | 0 | 0 | EST | |||||||
| 15.00 | 0.00 | 2.15 | 1.08 | % | 0.07 | 0 | 0 | 2.13 | 0.00 | 0.00 | 0.00 | 10/30/2025 3:59:59 PM EST | |||
| 15.00 | 0.00 | 1.05 | 0.53 | % | 0.04 | 0 | 0 | EST | |||||||
| 17.50 | 0.00 | 2.25 | 1.13 | 0.07 | 0.00 | 0.00% | 0.06 | 0 | 8 | 1.75 | 0.00 | 0.00 | 0.00 | 10/28/2025 | 10/30/2025 3:59:59 PM EST | 
| 17.50 | 0.00 | 1.10 | 0.55 | % | 0.03 | 0 | 1 | EST | |||||||
| 20.00 | 0.10 | 1.25 | 0.68 | % | 0.03 | 0 | 10 | EST | |||||||
| 20.00 | 0.00 | 2.45 | 1.23 | 0.25 | 0.00 | 0.00% | 0.06 | 0 | 2 | 1.45 | -0.06 | 0.03 | 0.00 | 10/24/2025 | 10/30/2025 3:59:59 PM EST | 
| 22.50 | 0.10 | 1.65 | 0.88 | 0.95 | 0.00 | 0.00% | 0.04 | 0 | 1 | 10/21/2025 | EST | ||||
| 22.50 | 0.00 | 2.80 | 1.40 | 0.56 | 0.00 | 0.00% | 0.06 | 0 | 2 | 1.21 | -0.20 | 0.06 | -0.01 | 10/21/2025 | 10/30/2025 3:59:59 PM EST | 
| 25.00 | 1.10 | 3.10 | 2.10 | % | 0.08 | 0 | 0 | EST | |||||||
| 25.00 | 0.05 | 3.00 | 1.53 | 0.80 | 0.00 | 0.00% | 0.06 | 0 | 3 | 0.50 | -0.39 | 0.08 | -0.02 | 10/28/2025 | 10/30/2025 3:59:59 PM EST | 
| 30.00 | 5.40 | 6.90 | 6.15 | % | 0.21 | 0 | 0 | EST | |||||||
| 30.00 | 2.75 | 5.50 | 4.13 | 5.70 | 0.00 | 0.00% | 0.14 | 0 | 2 | 0.73 | -0.77 | 0.06 | -0.01 | 10/16/2025 | 10/30/2025 3:59:59 PM EST | 
| 35.00 | 8.20 | 10.40 | 9.30 | % | 0.27 | 0 | 0 | 1.00 | -0.93 | 0.03 | -0.01 | 10/30/2025 3:59:59 PM EST | |||
| 35.00 | 10.30 | 12.40 | 11.35 | % | 0.32 | 0 | 0 | EST |