SPSB · Expected Move
State Street SPDR Portfolio Short Term Corporate Bond ETF · ETF
The expected move for SPSB 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).
SPSB 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 SPSB Expected Move
30-Day Straddle
$0.53
7-Day Straddle
$0.53
30-Day ATM IV
13.4%
IV Rank
60%
Implied one-standard-deviation move through the next 30 days. Compare to SPSB'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.
SPSB Straddle Price — Last 60 Days
| Date | 30D Straddle | 7D Straddle | ATM IV | IV Rank |
|---|---|---|---|---|
| 20261021 | $0.53 | $0.53 | 13.4% | 60% |
| 20261020 | $2.88 | $2.88 | 12.9% | 57% |
| 20261019 | $2.88 | $2.88 | 12.6% | 55% |
| 20261016 | $0.47 | $0.40 | 11.2% | 48% |
| 20261015 | $0.47 | $0.42 | 5.6% | 16% |
| 20261014 | $0.47 | $2.88 | 11.1% | 47% |
| 20261013 | $0.47 | $0.45 | 5.3% | 14% |
| 20261012 | $2.88 | $2.85 | 10.4% | 43% |
| 20261009 | $2.88 | $2.88 | 12.3% | 54% |
| 20261008 | $0.47 | $0.42 | 8.4% | 32% |
| 20261007 | $0.47 | $1.10 | 12.5% | 55% |
| 20261006 | $2.88 | $3.38 | 10.7% | 45% |
| 20261005 | $2.93 | $2.93 | 12.8% | 57% |
| 20261002 | $2.93 | $2.93 | 12.8% | 57% |
| 20261001 | $1.02 | $1.02 | 11.2% | 48% |
| 20260930 | $1.18 | $1.18 | 12.3% | 54% |
| 20260929 | $2.98 | $2.98 | 19.7% | 95% |
| 20260928 | $2.92 | $2.92 | 13.0% | 58% |
| 20260925 | $2.88 | $2.88 | 17.2% | 81% |
| 20260924 | $1.62 | $1.62 | 15.2% | 70% |
| 20260923 | $1.15 | $1.15 | 6.3% | 20% |
| 20260922 | $0.42 | $0.42 | 7.7% | 28% |
| 20260921 | $0.30 | $0.30 | 9.3% | 37% |
| 20260918 | $0.45 | $0.38 | 7.0% | 24% |
| 20260917 | $2.77 | $2.75 | 13.3% | 59% |
| 20260916 | $0.40 | $0.38 | 4.8% | 12% |
| 20260915 | $0.42 | $0.98 | 6.1% | 19% |
| 20260914 | $0.40 | $0.38 | 5.4% | 15% |
| 20260911 | $2.75 | $3.45 | 14.2% | 64% |
| 20260910 | $0.35 | $0.35 | 7.4% | 26% |
| 20260909 | $2.57 | $0.25 | 12.2% | 54% |
| 20260908 | $2.62 | $2.57 | 12.6% | 56% |
| 20260904 | $0.25 | $0.25 | 16.8% | 63% |
| 20260903 | $0.22 | $0.22 | 11.5% | 39% |
| 20260902 | $2.60 | $2.60 | 20.5% | 80% |
| 20260901 | $0.25 | $0.25 | 10.6% | 35% |
| 20260831 | $0.20 | $0.20 | 5.1% | 11% |
| 20260828 | $0.22 | $0.22 | 5.2% | 11% |
| 20260827 | $0.17 | $0.17 | 5.5% | 13% |
| 20260826 | $0.17 | $0.17 | 13.7% | 49% |
| 20260825 | $0.17 | $0.17 | 12.3% | 43% |
| 20260824 | $0.17 | $0.17 | 7.8% | 23% |
| 20260821 | $0.17 | $0.85 | 9.2% | 29% |
| 20260820 | $0.17 | $2.42 | 7.0% | 19% |
| 20260819 | $0.88 | $0.60 | 10.5% | 35% |
| 20260818 | $0.17 | $0.15 | 5.8% | 14% |
| 20260817 | $0.17 | $2.45 | 5.9% | 14% |
| 20260814 | $0.93 | $0.15 | 5.5% | 13% |
| 20260813 | $0.17 | $0.67 | 7.9% | 23% |
| 20260812 | $0.68 | $0.88 | 13.6% | 49% |
| 20260811 | $0.22 | $0.17 | 6.5% | 17% |
| 20260810 | $0.22 | $0.17 | 6.2% | 16% |
| 20260807 | — | — | 9.3% | 29% |
| 20260806 | $0.22 | $0.17 | 5.6% | 13% |
| 20260805 | $0.70 | $0.70 | 8.4% | 25% |
| 20260804 | $0.23 | $0.23 | 8.3% | 25% |
| 20260803 | $0.17 | $0.17 | 8.4% | 25% |
| 20260731 | $0.20 | $0.20 | 3.9% | 5% |
| 20260730 | $0.17 | $0.17 | 4.4% | 8% |
| 20260729 | $0.20 | $0.20 | 4.6% | 8% |
More on SPSB
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.