Options Chain for FIRST INTST BANCSYSTEM INC COM (FIBK) - $38.84 as of 8/14/2026 2:55:09 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20.00 | 18.30 | 20.20 | 19.25 | 18.60 | 0.00 | 0.00% | 0.96 | 0 | 0 | 4.28 | 1.00 | 0.00 | 0.00 | 8/3/2026 | 8/14/2026 3:59:56 PM EST |
| 22.50 | 15.80 | 17.70 | 16.75 | % | 0.74 | 0 | 0 | 3.68 | 1.00 | 0.00 | 0.00 | 8/14/2026 3:59:56 PM EST | |||
| 25.00 | 13.30 | 15.20 | 14.25 | % | 0.57 | 0 | 0 | 3.12 | 1.00 | 0.00 | 0.00 | 8/14/2026 3:59:56 PM EST | |||
| 30.00 | 8.30 | 10.20 | 9.25 | % | 0.31 | 0 | 0 | 2.15 | 1.00 | 0.00 | 0.00 | 8/14/2026 3:59:56 PM EST | |||
| 35.00 | 3.30 | 5.20 | 4.25 | 2.95 | 0.00 | 0.00% | 0.12 | 0 | 1 | 1.27 | 0.99 | 0.01 | 0.00 | 8/11/2026 | 8/14/2026 3:59:56 PM EST |
| 40.00 | 0.00 | 0.80 | 0.40 | 0.50 | 0.00 | 0.00% | 0.01 | 0 | 59 | 0.53 | 0.31 | 0.22 | -0.04 | 8/4/2026 | 8/14/2026 3:59:56 PM EST |
| 45.00 | 0.00 | 0.50 | 0.25 | 0.05 | 0.00 | 0.00% | 0.01 | 0 | 5 | 1.01 | 0.00 | 0.00 | 0.00 | 7/27/2026 | 8/14/2026 3:59:56 PM EST |
| 50.00 | 0.00 | 0.50 | 0.25 | % | 0.01 | 0 | 0 | 1.47 | 0.00 | 0.00 | 0.00 | 8/14/2026 3:59:56 PM EST | |||
| 55.00 | 0.00 | 0.50 | 0.25 | % | 0.00 | 0 | 0 | 1.84 | 0.00 | 0.00 | 0.00 | 8/14/2026 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20.00 | 0.00 | 0.50 | 0.25 | % | 0.01 | 0 | 0 | 3.50 | 0.00 | 0.00 | 0.00 | 8/14/2026 3:59:56 PM EST | |||
| 22.50 | 0.00 | 0.50 | 0.25 | % | 0.01 | 0 | 0 | 2.98 | 0.00 | 0.00 | 0.00 | 8/14/2026 3:59:56 PM EST | |||
| 25.00 | 0.00 | 0.20 | 0.10 | % | 0.00 | 0 | 0 | 2.03 | 0.00 | 0.00 | 0.00 | 8/14/2026 3:59:56 PM EST | |||
| 30.00 | 0.00 | 0.50 | 0.25 | % | 0.01 | 0 | 0 | 1.68 | 0.00 | 0.00 | 0.00 | 8/14/2026 3:59:56 PM EST | |||
| 35.00 | 0.00 | 0.55 | 0.28 | 0.25 | 0.00 | 0.00% | 0.01 | 0 | 34 | 0.96 | -0.01 | 0.01 | 0.00 | 8/7/2026 | 8/14/2026 3:59:56 PM EST |
| 40.00 | 0.30 | 1.80 | 1.05 | % | 0.03 | 0 | 0 | 0.62 | -0.69 | 0.22 | -0.04 | 8/14/2026 3:59:56 PM EST | |||
| 45.00 | 4.90 | 6.70 | 5.80 | % | 0.13 | 0 | 0 | 1.25 | -1.00 | 0.00 | 0.00 | 8/14/2026 3:59:56 PM EST | |||
| 50.00 | 10.00 | 11.70 | 10.85 | % | 0.22 | 0 | 0 | 1.75 | -1.00 | 0.00 | 0.00 | 8/14/2026 3:59:56 PM EST | |||
| 55.00 | 14.90 | 16.70 | 15.80 | % | 0.29 | 0 | 0 | 2.16 | -1.00 | 0.00 | 0.00 | 8/14/2026 3:59:56 PM EST |