SR · Expected Move
Spire Inc.
The expected move for SR 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).
SR straddle price & implied vol
60 sessionsBars: at-the-money straddle price (30-day and 7-day) — the market's priced move. Line: 30-day at-the-money implied volatility (right axis).
Current SR Expected Move
30-Day Straddle
$5.65
7-Day Straddle
$4.90
30-Day ATM IV
27.5%
IV Rank
66%
Implied one-standard-deviation move through the next 30 days. Compare to SR'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.
SR Straddle Price — Last 60 Days
| Date | 30D Straddle | 7D Straddle | ATM IV | IV Rank |
|---|---|---|---|---|
| 20261016 | $5.65 | $4.90 | 27.5% | 66% |
| 20261015 | $5.22 | $4.95 | 25.9% | 54% |
| 20261014 | $5.00 | $4.90 | 26.1% | 55% |
| 20261013 | $5.42 | $4.90 | 26.5% | 58% |
| 20261012 | $5.20 | $1.52 | 24.6% | 44% |
| 20261009 | $5.50 | $5.05 | 27.5% | 66% |
| 20261008 | $5.82 | $5.03 | 24.7% | 49% |
| 20261007 | $5.70 | $5.05 | 23.6% | 41% |
| 20261006 | $5.58 | $5.00 | 20.8% | 22% |
| 20261005 | $6.75 | $5.50 | 27.4% | 68% |
| 20261002 | $5.35 | $5.35 | 26.0% | 58% |
| 20261001 | $3.83 | $3.83 | 25.8% | 56% |
| 20260930 | $3.90 | $3.90 | 24.9% | 50% |
| 20260929 | $3.85 | $3.85 | 23.3% | 39% |
| 20260928 | $3.90 | $3.90 | 20.5% | 19% |
| 20260925 | $4.10 | $4.10 | 22.6% | 34% |
| 20260924 | $4.12 | $4.12 | 19.9% | 15% |
| 20260923 | $4.35 | $4.35 | 21.6% | 27% |
| 20260922 | $4.80 | $4.80 | 26.4% | 60% |
| 20260921 | $4.80 | $4.80 | 19.8% | 15% |
| 20260918 | $5.50 | $4.80 | 30.4% | 88% |
| 20260917 | $3.75 | $4.80 | 21.8% | 29% |
| 20260916 | $4.65 | $4.80 | 25.5% | 55% |
| 20260915 | $3.98 | $4.95 | 21.1% | 24% |
| 20260914 | $3.95 | $4.92 | 19.8% | 15% |
| 20260911 | $4.20 | $4.83 | 22.5% | 33% |
| 20260910 | $5.50 | $3.20 | 27.9% | 71% |
| 20260909 | $5.62 | $3.20 | 28.2% | 73% |
| 20260908 | $6.10 | $5.12 | 27.5% | 68% |
| 20260904 | $6.22 | $5.30 | 24.6% | 48% |
| 20260903 | $5.65 | $4.90 | 18.8% | 8% |
| 20260902 | $5.40 | $5.40 | 24.1% | 44% |
| 20260901 | $5.70 | $5.70 | 24.2% | 45% |
| 20260831 | $4.40 | $4.40 | 24.0% | 44% |
| 20260828 | $5.90 | $5.90 | 23.0% | 37% |
| 20260827 | $5.85 | $5.85 | 23.4% | 40% |
| 20260826 | $4.95 | $4.95 | 21.9% | 29% |
| 20260825 | $5.55 | $5.55 | 20.9% | 22% |
| 20260824 | $4.80 | $4.80 | 22.7% | 35% |
| 20260821 | $4.60 | $2.90 | 19.5% | 13% |
| 20260820 | $5.47 | $4.95 | 26.1% | 58% |
| 20260819 | $4.30 | $4.95 | 23.4% | 40% |
| 20260818 | $4.45 | $4.95 | 25.7% | 55% |
| 20260817 | $5.80 | $3.50 | 28.9% | 78% |
| 20260814 | $6.10 | $4.95 | 28.1% | 73% |
| 20260813 | $4.75 | $4.95 | 25.2% | 52% |
| 20260812 | $6.32 | $4.95 | 28.2% | 73% |
| 20260811 | $6.42 | $3.10 | 26.0% | 58% |
| 20260810 | $5.45 | $3.65 | 27.1% | 65% |
| 20260807 | — | — | 24.2% | 45% |
| 20260806 | $5.95 | $4.10 | 25.3% | 53% |
| 20260805 | $3.80 | $3.80 | 25.5% | 55% |
| 20260804 | $2.65 | $2.65 | 26.8% | 63% |
| 20260803 | $3.95 | $3.95 | 25.3% | 53% |
| 20260731 | $4.05 | $4.05 | 25.3% | 53% |
| 20260730 | $3.05 | $3.05 | 23.6% | 41% |
| 20260729 | $3.92 | $3.92 | 27.1% | 66% |
| 20260728 | $5.67 | $5.67 | 28.1% | 73% |
| 20260727 | $5.65 | $5.65 | 28.2% | 73% |
| 20260724 | $5.85 | $5.85 | 28.6% | 76% |
More on SR
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.