Options Chain for FIRST INTST BANCSYSTEM INC COM (FIBK) - $33.13 as of 11/26/2025 3:04:20 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15.00 | 15.80 | 20.30 | 18.05 | % | 1.20 | 0 | 0 | 2.55 | 1.00 | 0.00 | 0.00 | 11/26/2025 3:59:56 PM EST | |||
| 17.50 | 13.30 | 17.90 | 15.60 | % | 0.89 | 0 | 0 | 2.18 | 1.00 | 0.00 | 0.00 | 11/26/2025 3:59:56 PM EST | |||
| 20.00 | 11.00 | 15.40 | 13.20 | % | 0.66 | 0 | 0 | 1.83 | 1.00 | 0.00 | 0.00 | 11/26/2025 3:59:56 PM EST | |||
| 22.50 | 8.50 | 13.00 | 10.75 | % | 0.48 | 0 | 0 | 1.55 | 0.99 | 0.01 | -0.01 | 11/26/2025 3:59:56 PM EST | |||
| 25.00 | 6.00 | 10.50 | 8.25 | % | 0.33 | 0 | 0 | 1.27 | 0.96 | 0.02 | -0.01 | 11/26/2025 3:59:56 PM EST | |||
| 30.00 | 2.00 | 6.00 | 4.00 | 2.20 | 0.00 | 0.00% | 0.13 | 0 | 20 | 0.88 | 0.77 | 0.05 | -0.03 | 11/17/2025 | 11/26/2025 3:59:56 PM EST |
| 35.00 | 0.05 | 2.85 | 1.45 | 1.69 | 0.00 | 0.00% | 0.04 | 0 | 67 | 0.40 | 0.43 | 0.07 | -0.02 | 10/20/2025 | 11/26/2025 3:59:56 PM EST |
| 40.00 | 0.00 | 1.50 | 0.75 | % | 0.02 | 0 | 0 | 0.73 | 0.15 | 0.04 | -0.01 | 11/26/2025 3:59:56 PM EST | |||
| 45.00 | 0.00 | 1.45 | 0.73 | % | 0.02 | 0 | 0 | 0.93 | 0.03 | 0.01 | 0.00 | 11/26/2025 3:59:56 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 | 1.25 | 0.63 | % | 0.04 | 0 | 0 | 2.06 | 0.00 | 0.00 | 0.00 | 11/26/2025 3:59:56 PM EST | |||
| 17.50 | 0.00 | 1.30 | 0.65 | 0.45 | 0.00 | 0.00% | 0.04 | 0 | 1 | 1.76 | 0.00 | 0.00 | 0.00 | 11/19/2025 | 11/26/2025 3:59:56 PM EST |
| 20.00 | 0.00 | 1.45 | 0.73 | % | 0.04 | 0 | 0 | 1.54 | 0.00 | 0.00 | 0.00 | 11/26/2025 3:59:56 PM EST | |||
| 22.50 | 0.00 | 1.60 | 0.80 | % | 0.04 | 0 | 0 | 1.33 | -0.01 | 0.01 | -0.01 | 11/26/2025 3:59:56 PM EST | |||
| 25.00 | 0.00 | 1.65 | 0.83 | 0.70 | 0.00 | 0.00% | 0.03 | 0 | 1 | 1.10 | -0.04 | 0.02 | -0.01 | 8/14/2025 | 11/26/2025 3:59:56 PM EST |
| 30.00 | 0.05 | 2.60 | 1.33 | 1.30 | 0.00 | 0.00% | 0.04 | 0 | 6 | 0.53 | -0.23 | 0.05 | -0.03 | 9/29/2025 | 11/26/2025 3:59:56 PM EST |
| 35.00 | 0.50 | 5.00 | 2.75 | 3.80 | 0.00 | 0.00% | 0.08 | 0 | 1 | 0.83 | -0.57 | 0.07 | -0.02 | 8/27/2025 | 11/26/2025 3:59:56 PM EST |
| 40.00 | 5.00 | 9.50 | 7.25 | % | 0.18 | 0 | 0 | 1.05 | -0.85 | 0.04 | -0.01 | 11/26/2025 3:59:56 PM EST | |||
| 45.00 | 10.40 | 14.00 | 12.20 | % | 0.27 | 0 | 0 | 1.18 | -0.97 | 0.01 | 0.00 | 11/26/2025 3:59:56 PM EST |