SPY · Expected Move

State Street SPDR S&P 500 ETF Trust · ETF

The expected move for SPY 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).

SPY straddle price & implied vol

60 sessions

Bars: 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 SPY Expected Move
30-Day Straddle
$22.55
7-Day Straddle
$8.97
30-Day ATM IV
12.9%
IV Rank
20%
Implied one-standard-deviation move through the next 30 days. Compare to SPY'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.
SPY Straddle Price — Last 60 Days
Date30D Straddle7D StraddleATM IVIV Rank
20261008 $22.55 $8.97 12.9% 20%
20261007 $22.93 $8.61 12.8% 18%
20261006 $23.31 $7.92 12.7% 17%
20261005 $24.04 $8.21 13.0% 21%
20261002 $21.64 $8.92 12.9% 20%
20261001 $23.84 $10.43 13.9% 34%
20260930 $24.33 $10.77 13.9% 35%
20260929 $24.43 $9.83 13.7% 30%
20260928 $24.62 $10.09 13.5% 28%
20260925 $20.70 $9.77 12.3% 11%
20260924 $22.17 $9.95 12.9% 20%
20260923 $21.99 $9.16 12.5% 14%
20260922 $21.62 $7.98 11.9% 5%
20260921 $22.73 $8.37 12.2% 10%
20260918 $20.35 $8.52 12.2% 10%
20260917 $21.27 $9.14 12.5% 13%
20260916 $24.62 $11.75 14.2% 39%
20260915 $24.57 $11.79 13.9% 34%
20260914 $24.50 $11.23 13.6% 29%
20260911 $21.19 $10.71 12.6% 15%
20260910 $24.90 $12.94 14.6% 44%
20260909 $23.41 $11.56 13.3% 26%
20260908 $22.70 $9.36 12.7% 17%
20260904 $19.86 $8.12 11.8% 3%
20260903 $20.34 $7.68 11.7% 3%
20260902 $21.75 $8.33 12.4% 12%
20260901 $22.07 $9.19 13.0% 21%
20260831 $20.84 $8.70 11.8% 4%
20260828 $19.71 $8.41 11.5% 0%
20260827 $20.59 $8.62 11.8% 0%
20260826 $22.24 $9.82 12.7% 10%
20260825 $22.62 $9.52 12.7% 11%
20260824 $23.47 $9.86 13.0% 15%
20260821 $21.41 $9.49 12.7% 10%
20260820 $22.80 $10.15 13.3% 20%
20260819 $22.11 $8.36 12.5% 8%
20260818 $23.74 $8.44 13.1% 18%
20260817 $23.46 $7.56 12.7% 7%
20260814 $20.11 $7.51 12.0% 0%
20260813 $21.27 $7.89 12.3% 2%
20260812 $21.63 $8.14 12.1% 0%
20260811 $23.15 $9.01 12.8% 1%
20260810 $23.84 $9.11 13.0% 2%
20260807 — — 12.7% 0%
20260806 $23.49 $10.77 13.5% 6%
20260805 $23.68 $10.37 13.5% 6%
20260804 $24.58 $9.75 13.6% 7%
20260803 $21.23 $8.30 12.9% 2%
20260731 $22.35 $9.71 13.0% 3%
20260730 $24.60 $11.20 14.6% 13%
20260729 $28.36 $13.56 17.0% 31%
20260728 $26.47 $12.71 15.4% 19%
20260727 $27.40 $13.09 15.6% 21%
20260724 $25.04 $13.09 15.4% 20%
20260723 $26.06 $13.04 15.8% 22%
20260722 $23.87 $10.16 14.0% 9%
20260721 $24.50 $9.57 14.1% 10%
20260720 $26.63 $10.81 15.3% 18%
20260716 $23.05 $9.36 13.5% 6%
20260715 $22.51 $8.16 13.1% 3%

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.