Options Chain for COLUMBIA BKG SYS INC COM (COLB) - $30.80 as of 9/6/2026 8:38:31 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 17.50 | 11.70 | 14.50 | 13.10 | 13.32 | 0.00 | 0.00% | 0.75 | 0 | 0 | 3.02 | 1.00 | 0.00 | 0.00 | 8/27/2026 | 9/4/2026 3:59:59 PM EST |
| 20.00 | 9.60 | 12.00 | 10.80 | % | 0.54 | 0 | 0 | 2.48 | 1.00 | 0.00 | 0.00 | 9/4/2026 3:59:59 PM EST | |||
| 22.50 | 7.10 | 9.50 | 8.30 | % | 0.37 | 0 | 0 | 1.99 | 1.00 | 0.00 | 0.00 | 9/4/2026 3:59:59 PM EST | |||
| 25.00 | 5.10 | 7.10 | 6.10 | % | 0.24 | 0 | 0 | 1.60 | 1.00 | 0.00 | 0.00 | 9/4/2026 3:59:59 PM EST | |||
| 30.00 | 0.85 | 1.25 | 1.05 | 1.06 | +0.28 | +35.90% | 0.04 | 1 | 31 | 0.23 | 0.73 | 0.24 | -0.02 | 9/4/2026 | 9/4/2026 3:59:59 PM EST |
| 35.00 | 0.00 | 0.10 | 0.05 | 0.05 | 0.00 | 0.00% | 0.00 | 0 | 84 | 0.46 | 0.00 | 0.01 | 0.00 | 9/3/2026 | 9/4/2026 3:59:59 PM EST |
| 40.00 | 0.00 | 0.90 | 0.45 | % | 0.01 | 0 | 0 | 1.42 | 0.00 | 0.00 | 0.00 | 9/4/2026 3:59:59 PM EST | |||
| 45.00 | 0.00 | 0.95 | 0.48 | % | 0.01 | 0 | 0 | 1.81 | 0.00 | 0.00 | 0.00 | 9/4/2026 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 17.50 | 0.00 | 0.20 | 0.10 | % | 0.01 | 0 | 0 | 1.83 | 0.00 | 0.00 | 0.00 | 9/4/2026 3:59:59 PM EST | |||
| 20.00 | 0.00 | 0.95 | 0.48 | % | 0.02 | 0 | 0 | 2.27 | 0.00 | 0.00 | 0.00 | 9/4/2026 3:59:59 PM EST | |||
| 22.50 | 0.00 | 0.95 | 0.48 | % | 0.02 | 0 | 0 | 1.81 | 0.00 | 0.00 | 0.00 | 9/4/2026 3:59:59 PM EST | |||
| 25.00 | 0.00 | 1.00 | 0.50 | 0.25 | 0.00 | 0.00% | 0.02 | 0 | 1 | 1.42 | 0.00 | 0.00 | 0.00 | 7/23/2026 | 9/4/2026 3:59:59 PM EST |
| 30.00 | 0.10 | 0.40 | 0.25 | 0.25 | -0.35 | -58.34% | 0.01 | 2 | 85 | 0.23 | -0.27 | 0.24 | -0.02 | 9/4/2026 | 9/4/2026 3:59:59 PM EST |
| 35.00 | 3.90 | 5.30 | 4.60 | 2.95 | 0.00 | 0.00% | 0.13 | 0 | 6 | 1.05 | -1.00 | 0.01 | 0.00 | 7/20/2026 | 9/4/2026 3:59:59 PM EST |
| 40.00 | 7.70 | 10.40 | 9.05 | % | 0.23 | 0 | 0 | 1.59 | -1.00 | 0.00 | 0.00 | 9/4/2026 3:59:59 PM EST | |||
| 45.00 | 13.30 | 15.90 | 14.60 | % | 0.32 | 0 | 0 | 2.24 | -1.00 | 0.00 | 0.00 | 9/4/2026 3:59:59 PM EST |