ISTB · Expected Move
iShares Core 1-5 Year USD Bond ETF of iShares Trust · ETF
The expected move for ISTB 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).
ISTB 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 ISTB Expected Move
30-Day Straddle
$1.85
7-Day Straddle
$1.85
30-Day ATM IV
15.3%
IV Rank
20%
Implied one-standard-deviation move through the next 30 days. Compare to ISTB'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.
ISTB Straddle Price — Last 60 Days
| Date | 30D Straddle | 7D Straddle | ATM IV | IV Rank |
|---|---|---|---|---|
| 20261021 | $1.85 | $1.85 | 15.3% | 20% |
| 20261020 | $4.90 | $4.90 | 16.0% | 24% |
| 20261019 | $1.90 | $1.90 | 15.0% | 19% |
| 20261016 | $4.90 | $4.45 | 15.1% | 20% |
| 20261015 | $1.98 | $4.90 | 14.7% | 17% |
| 20261014 | $1.92 | $1.70 | 15.7% | 22% |
| 20261013 | $4.90 | $4.90 | 15.6% | 22% |
| 20261012 | $3.53 | $3.40 | 11.8% | 4% |
| 20261009 | $2.05 | $1.77 | 15.9% | 23% |
| 20261008 | $4.90 | $1.75 | 16.9% | 28% |
| 20261007 | $2.05 | $1.73 | 16.6% | 27% |
| 20261006 | $2.08 | $4.90 | 15.7% | 22% |
| 20261005 | $3.55 | $1.73 | 16.0% | 19% |
| 20261002 | $3.38 | $3.38 | 17.1% | 23% |
| 20261001 | $4.90 | $4.90 | 14.3% | 13% |
| 20260930 | $1.77 | $1.77 | 16.2% | 20% |
| 20260929 | $1.75 | $1.75 | 16.5% | 21% |
| 20260928 | $1.77 | $1.77 | 16.3% | 21% |
| 20260925 | $1.77 | $1.77 | 14.9% | 15% |
| 20260924 | $1.80 | $1.80 | 13.6% | 10% |
| 20260923 | $1.88 | $1.88 | 14.2% | 12% |
| 20260922 | $1.98 | $1.98 | 14.0% | 12% |
| 20260921 | $1.98 | $1.98 | 14.5% | 14% |
| 20260918 | $1.98 | $3.50 | 14.3% | 13% |
| 20260917 | $2.00 | $1.93 | 14.0% | 12% |
| 20260916 | $1.95 | $1.90 | 13.7% | 10% |
| 20260915 | $2.00 | $1.93 | 13.6% | 10% |
| 20260914 | $2.00 | $1.93 | 13.3% | 9% |
| 20260911 | $2.02 | $1.90 | 14.9% | 15% |
| 20260910 | $2.00 | $1.88 | 14.3% | 13% |
| 20260909 | $1.98 | $1.80 | 11.7% | 3% |
| 20260908 | $1.95 | $1.77 | 14.2% | 12% |
| 20260904 | $2.00 | $1.80 | 12.6% | 6% |
| 20260903 | $2.02 | $4.80 | 12.1% | 4% |
| 20260902 | $1.82 | $1.82 | 12.2% | 5% |
| 20260901 | $1.80 | $1.80 | 16.1% | 20% |
| 20260831 | $1.82 | $1.82 | 17.7% | 26% |
| 20260828 | $1.75 | $1.75 | 12.8% | 7% |
| 20260827 | $1.88 | $1.88 | 13.7% | 10% |
| 20260826 | $1.88 | $1.88 | 13.1% | 8% |
| 20260825 | $1.88 | $1.88 | 13.5% | 10% |
| 20260824 | $1.88 | $1.88 | 13.7% | 10% |
| 20260821 | $1.80 | $2.35 | 11.8% | 3% |
| 20260820 | $1.80 | $1.65 | 11.6% | 2% |
| 20260819 | $1.75 | $1.62 | 11.3% | 1% |
| 20260818 | $1.77 | $1.60 | 11.7% | 3% |
| 20260817 | $1.92 | $1.77 | 11.8% | 3% |
| 20260814 | $1.95 | $1.80 | 12.5% | 6% |
| 20260813 | $1.97 | $1.77 | 11.7% | 3% |
| 20260812 | $3.35 | $1.70 | 13.5% | 10% |
| 20260811 | $1.90 | $1.70 | 11.0% | 0% |
| 20260810 | $2.50 | $3.50 | 21.0% | 12% |
| 20260806 | $3.65 | $4.80 | 20.2% | 8% |
| 20260805 | $2.23 | $2.23 | 23.0% | 23% |
| 20260804 | $2.23 | $2.23 | 21.7% | 16% |
| 20260803 | $2.35 | $2.35 | 21.5% | 14% |
| 20260731 | $2.42 | $2.42 | 21.5% | 15% |
| 20260730 | $2.35 | $2.35 | 21.8% | 16% |
| 20260729 | $2.40 | $2.40 | 22.2% | 18% |
| 20260728 | $2.42 | $2.42 | 18.9% | 0% |
More on ISTB
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.