Options Chain for COLUMBIA BKG SYS INC COM (COLB) - $32.80 as of 7/21/2026 9:11:04 AM 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15.00 | 16.30 | 19.80 | 18.05 | % | 1.20 | 0 | 0 | 3.06 | 1.00 | 0.00 | 0.00 | 7/20/2026 3:59:54 PM EST | |||
| 17.50 | 13.80 | 17.30 | 15.55 | % | 0.89 | 0 | 0 | 2.58 | 1.00 | 0.00 | 0.00 | 7/20/2026 3:59:54 PM EST | |||
| 20.00 | 11.30 | 15.10 | 13.20 | 11.54 | 0.00 | 0.00% | 0.66 | 0 | 1 | 2.31 | 1.00 | 0.00 | 0.00 | 6/24/2026 | 7/20/2026 3:59:54 PM EST |
| 22.50 | 9.20 | 12.40 | 10.80 | 7.50 | 0.00 | 0.00% | 0.48 | 0 | 2 | 1.85 | 1.00 | 0.00 | 0.00 | 5/8/2026 | 7/20/2026 3:59:54 PM EST |
| 25.00 | 6.90 | 9.30 | 8.10 | 8.10 | 0.00 | 0.00% | 0.32 | 0 | 70 | 1.29 | 1.00 | 0.00 | 0.00 | 7/20/2026 | 7/20/2026 3:59:54 PM EST |
| 30.00 | 2.00 | 4.50 | 3.25 | 3.94 | 0.00 | 0.00% | 0.11 | 0 | 423 | 0.78 | 0.86 | 0.08 | -0.01 | 7/17/2026 | 7/20/2026 3:59:54 PM EST |
| 35.00 | 0.30 | 0.45 | 0.38 | 0.35 | 0.00 | 0.00% | 0.01 | 0 | 1,583 | 0.29 | 0.24 | 0.11 | -0.01 | 7/20/2026 | 7/20/2026 3:59:54 PM EST |
| 40.00 | 0.00 | 0.10 | 0.05 | 0.10 | 0.00 | 0.00% | 0.00 | 0 | 117 | 0.42 | 0.01 | 0.01 | 0.00 | 6/10/2026 | 7/20/2026 3:59:54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15.00 | 0.00 | 0.95 | 0.48 | % | 0.03 | 0 | 0 | 2.34 | 0.00 | 0.00 | 0.00 | 7/20/2026 3:59:54 PM EST | |||
| 17.50 | 0.00 | 0.10 | 0.05 | 0.15 | 0.00 | 0.00% | 0.00 | 0 | 9 | 1.03 | 0.00 | 0.00 | 0.00 | 5/21/2026 | 7/20/2026 3:59:54 PM EST |
| 20.00 | 0.00 | 0.95 | 0.48 | % | 0.02 | 0 | 8 | 1.63 | 0.00 | 0.00 | 0.00 | 7/20/2026 3:59:54 PM EST | |||
| 22.50 | 0.00 | 0.95 | 0.48 | 0.10 | 0.00 | 0.00% | 0.02 | 0 | 2 | 1.33 | 0.00 | 0.00 | 0.00 | 7/13/2026 | 7/20/2026 3:59:54 PM EST |
| 25.00 | 0.00 | 0.60 | 0.30 | 0.10 | 0.00 | 0.00% | 0.01 | 0 | 195 | 0.90 | 0.00 | 0.00 | 0.00 | 7/16/2026 | 7/20/2026 3:59:54 PM EST |
| 30.00 | 0.00 | 0.60 | 0.30 | 0.34 | 0.00 | 0.00% | 0.01 | 0 | 444 | 0.44 | -0.14 | 0.08 | -0.01 | 7/20/2026 | 7/20/2026 3:59:54 PM EST |
| 35.00 | 1.60 | 3.50 | 2.55 | 3.30 | 0.00 | 0.00% | 0.07 | 0 | 36 | 0.56 | -0.76 | 0.11 | -0.01 | 7/10/2026 | 7/20/2026 3:59:54 PM EST |
| 40.00 | 5.70 | 8.90 | 7.30 | 7.50 | 0.00 | 0.00% | 0.18 | 0 | 34 | 1.04 | -0.99 | 0.01 | 0.00 | 7/20/2026 | 7/20/2026 3:59:54 PM EST |