First Interstate BancSyst... (FIBK)
NASDAQ: FIBK
· Real-Time Price · USD
32.55
-0.14 (-0.43%)
At close: Sep 26, 2025, 3:59 PM
32.55
0.00%
After-hours: Sep 26, 2025, 04:10 PM EDT
FIBK Option Overview
Overview for all option chains of FIBK. As of September 28, 2025, FIBK options have an IV of 157.56% and an IV rank of 173.58%. The volume is 3 contracts, which is 25% of average daily volume of 12 contracts. The volume put-call ratio is 0.5, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
157.56%IV Rank
100%Historical Volatility
27.69%IV Low
52.4% on Aug 18, 2025IV High
112.98% on Sep 18, 2025Open Interest (OI)
Today's Open Interest
2,495Put-Call Ratio
2.91Put Open Interest
1,857Call Open Interest
638Open Interest Avg (30-day)
2,181Today vs Open Interest Avg (30-day)
114.4%Option Volume
Today's Volume
3Put-Call Ratio
0.5Put Volume
1Call Volume
2Volume Avg (30-day)
12Today vs Volume Avg (30-day)
25%Option Chain Statistics
This table provides a comprehensive overview of all FIBK options grouped by their expiration dates.
| Expiration | Call Vol | Put Vol | P/C Vol | Call OI | Put OI | P/C OI | Implied Volatility | Max Pain |
| Oct 17, 2025 | 0 | 0 | 0 | 48 | 8 | 0.17 | 157.56% | 30 |
| Nov 21, 2025 | 0 | 0 | 0 | 10 | 0 | 0 | 64.44% | 17.5 |
| Dec 19, 2025 | 0 | 0 | 0 | 304 | 1,828 | 6.01 | 82.51% | 30 |
| Jan 16, 2026 | 0 | 0 | 0 | 228 | 2 | 0.01 | 58.39% | 8 |
| Mar 20, 2026 | 2 | 1 | 0.5 | 48 | 19 | 0.4 | 50.41% | 30 |