MDY · Expected Move
State Street SPDR S&P MIDCAP 400 ETF Trust · ETF
The expected move for MDY 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).
MDY 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 MDY Expected Move
30-Day Straddle
$26.00
7-Day Straddle
$26.00
30-Day ATM IV
17.4%
IV Rank
57%
Implied one-standard-deviation move through the next 30 days. Compare to MDY'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.
MDY Straddle Price — Last 60 Days
| Date | 30D Straddle | 7D Straddle | ATM IV | IV Rank |
|---|---|---|---|---|
| 20261022 | $26.00 | $26.00 | 17.4% | 57% |
| 20261021 | $24.15 | $24.15 | 15.8% | 30% |
| 20261020 | $24.85 | $24.85 | 15.5% | 24% |
| 20261019 | $25.85 | $25.85 | 16.5% | 33% |
| 20261016 | $27.70 | $3.83 | 17.0% | 40% |
| 20261015 | $25.95 | $6.15 | 15.4% | 19% |
| 20261014 | $26.90 | $7.72 | 16.1% | 28% |
| 20261013 | $26.85 | $8.45 | 15.7% | 23% |
| 20261012 | $28.15 | $9.50 | 15.8% | 24% |
| 20261009 | $29.00 | $10.90 | 15.9% | 26% |
| 20261008 | $29.95 | $12.25 | 16.1% | 28% |
| 20261007 | $30.70 | $13.30 | 16.6% | 34% |
| 20261006 | $31.40 | $13.75 | 16.5% | 33% |
| 20261005 | $31.25 | $14.90 | 16.0% | 27% |
| 20261002 | $15.15 | $15.15 | 15.6% | 22% |
| 20261001 | $17.60 | $17.60 | 16.5% | 34% |
| 20260930 | $17.50 | $17.50 | 16.0% | 27% |
| 20260929 | $18.10 | $18.10 | 16.1% | 29% |
| 20260928 | $19.20 | $19.20 | 16.2% | 30% |
| 20260925 | $20.00 | $20.00 | 15.7% | 23% |
| 20260924 | $19.55 | $19.55 | 15.6% | 22% |
| 20260923 | $20.35 | $20.35 | 15.3% | 18% |
| 20260922 | $20.65 | $20.65 | 15.1% | 15% |
| 20260921 | $20.00 | $20.00 | 14.8% | 11% |
| 20260918 | $21.85 | $2.93 | 14.6% | 9% |
| 20260917 | $22.65 | $5.47 | 15.0% | 14% |
| 20260916 | $25.60 | $10.80 | 16.6% | 35% |
| 20260915 | $25.15 | $10.65 | 16.2% | 29% |
| 20260914 | $24.75 | $10.90 | 15.5% | 21% |
| 20260911 | $25.80 | $12.00 | 15.4% | 19% |
| 20260910 | $28.05 | $14.65 | 16.9% | 38% |
| 20260909 | $26.70 | $13.80 | 15.5% | 21% |
| 20260908 | $26.50 | $14.15 | 14.8% | 12% |
| 20260904 | $27.05 | $14.55 | 14.0% | 0% |
| 20260903 | $27.25 | $15.95 | 14.2% | 3% |
| 20260902 | $16.70 | $16.70 | 14.7% | 9% |
| 20260901 | $18.10 | $18.10 | 15.4% | 19% |
| 20260831 | $17.50 | $17.50 | 14.3% | 3% |
| 20260828 | $18.20 | $18.20 | 14.3% | 3% |
| 20260827 | $18.75 | $18.75 | 14.0% | 0% |
| 20260826 | $20.20 | $20.20 | 14.6% | 5% |
| 20260825 | $20.60 | $20.60 | 14.7% | 5% |
| 20260824 | $21.75 | $21.75 | 15.2% | 11% |
| 20260821 | $22.25 | $2.33 | 14.5% | 4% |
| 20260820 | $24.55 | $5.15 | 15.5% | 13% |
| 20260819 | $23.00 | $5.90 | 14.2% | 0% |
| 20260818 | $23.85 | $6.85 | 14.6% | 3% |
| 20260817 | $24.90 | $7.70 | 14.7% | 4% |
| 20260814 | $25.95 | $9.62 | 14.1% | 0% |
| 20260813 | $26.05 | $10.60 | 14.4% | 0% |
| 20260812 | $26.90 | $11.73 | 14.5% | 0% |
| 20260811 | $28.80 | $13.50 | 15.6% | 5% |
| 20260810 | $28.60 | $13.85 | 15.3% | 2% |
| 20260807 | — | — | 15.0% | 0% |
| 20260806 | $31.00 | $16.90 | 15.8% | 2% |
| 20260805 | $17.50 | $17.50 | 15.8% | 2% |
| 20260804 | $18.35 | $18.35 | 15.7% | 1% |
| 20260803 | $17.90 | $17.90 | 15.6% | 0% |
| 20260731 | $21.95 | $21.95 | 16.5% | 8% |
| 20260730 | $23.05 | $23.05 | 17.0% | 11% |
More on MDY
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.