First Interstate BancSyst... (FIBK)
NASDAQ: FIBK
· Real-Time Price · USD
31.89
0.20 (0.63%)
At close: Oct 03, 2025, 3:59 PM
32.30
1.29%
After-hours: Oct 03, 2025, 06:39 PM EDT
FIBK Option Overview
Overview for all option chains of FIBK. As of October 05, 2025, FIBK options have an IV of 161.32% and an IV rank of 179.79%. The volume is 2 contracts, which is 14.29% of average daily volume of 14 contracts. The volume put-call ratio is 0, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
161.32%IV Rank
100%Historical Volatility
27.34%IV Low
52.4% on Aug 18, 2025IV High
112.98% on Sep 18, 2025Open Interest (OI)
Today's Open Interest
2,526Put-Call Ratio
2.82Put Open Interest
1,865Call Open Interest
661Open Interest Avg (30-day)
2,242Today vs Open Interest Avg (30-day)
112.67%Option Volume
Today's Volume
2Put-Call Ratio
0Put Volume
0Call Volume
2Volume Avg (30-day)
14Today vs Volume Avg (30-day)
14.29%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 | 53 | 8 | 0.15 | 161.32% | 30 |
| Nov 21, 2025 | 0 | 0 | 0 | 12 | 0 | 0 | 78.93% | 17.5 |
| Dec 19, 2025 | 2 | 0 | 0 | 304 | 1,829 | 6.02 | 77.89% | 30 |
| Jan 16, 2026 | 0 | 0 | 0 | 244 | 8 | 0.03 | 61.52% | 8 |
| Mar 20, 2026 | 0 | 0 | 0 | 48 | 20 | 0.42 | 49.09% | 30 |