FIBK (First Interstate BancSystem, Inc. Common Stock (DE))
Expected Move & Straddle Price History
The expected move for FIBK is derived from at-the-money straddle pricing — the market's implied one-standard-deviation move through the next 30 days. Comparing it to realized moves reveals when options are pricing in too much (premium-selling regime) vs too little (premium-buying regime).
Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.
Current FIBK Expected Move
30-Day Straddle
$3.33
7-Day Straddle
$3.33
Avg IV
0.5%
IV Rank
10%
Implied one-standard-deviation move through the next 30 days. Compare to FIBK's realized
move over the same window to gauge whether options are pricing in too much (premium-selling regime)
or too little (premium-buying regime). The
Expected Move Tracker ranks every symbol by
this measure.
FIBK Straddle Price — Last 60 Days
| Date | 30D Straddle | 7D Straddle | Avg IV | IV Rank |
|---|---|---|---|---|
| 20260723 | $3.33 | $3.33 | 0.5% | 10% |
| 20260722 | $2.98 | $2.98 | 0.6% | 27% |
| 20260721 | $2.98 | $2.98 | 0.5% | 11% |
| 20260720 | $3.23 | $3.23 | 0.6% | 24% |
| 20260716 | $3.03 | $1.10 | 0.6% | 21% |
| 20260715 | $3.10 | $1.15 | 0.6% | 20% |
| 20260714 | $3.27 | $1.45 | 0.5% | 7% |
| 20260713 | $3.40 | $1.60 | 0.6% | 15% |
| 20260710 | $3.38 | $1.55 | 0.6% | 18% |
| 20260709 | $3.40 | $1.48 | 0.6% | 20% |
| 20260708 | $3.67 | $2.23 | 0.5% | 7% |
| 20260707 | $3.43 | $1.62 | 0.6% | 18% |
| 20260706 | $3.50 | $1.70 | 0.4% | 4% |
| 20260702 | $1.90 | $1.90 | 0.5% | 11% |
| 20260701 | $1.85 | $1.85 | 0.6% | 19% |
| 20260630 | $2.20 | $2.20 | 0.5% | 10% |
| 20260629 | $2.25 | $2.25 | 0.5% | 12% |
| 20260626 | $2.35 | $2.35 | 0.8% | 43% |
| 20260625 | $2.33 | $2.33 | 0.8% | 38% |
| 20260624 | $2.67 | $2.67 | 0.7% | 28% |
| 20260623 | $3.10 | $3.10 | 0.5% | 10% |
| 20260622 | $2.73 | $2.73 | 0.8% | 38% |
| 20260618 | $2.67 | $1.73 | 0.5% | 8% |
| 20260617 | $2.27 | $1.00 | 0.4% | 5% |
| 20260616 | $2.80 | $1.68 | 0.7% | 29% |
| 20260615 | $3.03 | $1.83 | 0.8% | 39% |
| 20260613 | $3.47 | $2.42 | 1.0% | 62% |
| 20260612 | $3.42 | $2.38 | 0.9% | 46% |
| 20260611 | $3.35 | $2.53 | 0.6% | 20% |
| 20260610 | $3.35 | $2.12 | 0.6% | 24% |
| 20260609 | $3.42 | $2.15 | 0.4% | 4% |
| 20260608 | $3.25 | $2.00 | 0.7% | 26% |
| 20260605 | $3.25 | $2.25 | 0.6% | 17% |
| 20260604 | $3.55 | $2.50 | 0.5% | 10% |
| 20260603 | $3.02 | $2.23 | 0.6% | 16% |
| 20260602 | $2.33 | $2.33 | 1.1% | 72% |
| 20260601 | $2.17 | $2.17 | 1.1% | 71% |
| 20260529 | $2.45 | $2.45 | 1.1% | 71% |
| 20260528 | $2.30 | $2.30 | 0.9% | 47% |
| 20260527 | $2.60 | $2.60 | 0.9% | 49% |
| 20260526 | $2.48 | $2.48 | 0.9% | 46% |
| 20260522 | $2.65 | $2.65 | 0.8% | 35% |
| 20260521 | $2.77 | $2.77 | 0.9% | 48% |
| 20260520 | $2.60 | $2.60 | 0.8% | 36% |
| 20260519 | $2.75 | $2.75 | 0.9% | 49% |
| 20260518 | $2.75 | $2.75 | 0.8% | 36% |
| 20260515 | $2.83 | $1.18 | 0.8% | 38% |
| 20260514 | $2.92 | $2.12 | 0.8% | 38% |
| 20260513 | $3.02 | $1.27 | 0.8% | 40% |
| 20260512 | $2.95 | $1.12 | 0.8% | 40% |
| 20260511 | $2.95 | $1.23 | 0.8% | 43% |
| 20260510 | $3.40 | $2.03 | 0.7% | 31% |
| 20260508 | $3.40 | $2.03 | 0.7% | 32% |
| 20260507 | $3.42 | $2.47 | 0.8% | 31% |
| 20260506 | $3.38 | $2.08 | 0.7% | 24% |
| 20260505 | $3.33 | $1.92 | 0.7% | 26% |
| 20260504 | $3.33 | $1.95 | 0.7% | 25% |
| 20260502 | $1.90 | $1.90 | 1.0% | 54% |
| 20260501 | $1.90 | $1.90 | 1.2% | 69% |
| 20260430 | $2.02 | $2.02 | 0.8% | 38% |