IVOO · Expected Move

Vanguard S&P Mid-Cap 400 ETF · ETF

The expected move for IVOO 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).

IVOO 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 IVOO Expected Move
30-Day Straddle
$4.60
7-Day Straddle
$4.60
30-Day ATM IV
16.3%
IV Rank
48%
Implied one-standard-deviation move through the next 30 days. Compare to IVOO'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.
IVOO Straddle Price — Last 60 Days
Date30D Straddle7D StraddleATM IVIV Rank
20261022 $4.60 $4.60 16.3% 48%
20261021 $4.33 $4.33 15.0% 28%
20261020 $4.72 $4.72 16.3% 48%
20261019 $4.60 $4.60 16.0% 33%
20261016 $5.35 $3.35 17.1% 46%
20261015 $4.80 $1.48 15.5% 28%
20261014 $4.82 $1.38 15.6% 29%
20261013 $4.78 $1.48 14.9% 21%
20261012 $5.22 $1.75 16.2% 36%
20261009 $5.38 $2.42 16.1% 35%
20261008 $5.20 $1.98 15.3% 25%
20261007 $5.32 $2.22 15.3% 25%
20261006 $5.65 $2.60 15.7% 29%
20261005 $5.72 $2.70 16.2% 35%
20261002 $2.88 $2.88 16.0% 33%
20261001 $3.25 $3.25 16.4% 38%
20260930 $3.22 $3.22 16.3% 37%
20260929 $3.25 $3.25 15.7% 30%
20260928 $3.38 $3.38 16.0% 33%
20260925 $3.52 $3.52 15.3% 25%
20260924 $3.65 $3.65 15.6% 28%
20260923 $3.60 $3.60 15.2% 24%
20260922 $3.50 $3.50 14.1% 11%
20260921 $3.75 $3.75 14.3% 13%
20260918 $4.00 $3.30 14.6% 17%
20260917 $4.15 $1.55 14.4% 15%
20260916 $4.55 $1.62 16.3% 37%
20260915 $4.60 $2.00 15.7% 30%
20260914 $4.75 $1.95 16.1% 34%
20260911 $4.85 $2.20 15.6% 29%
20260910 $5.10 $2.58 16.4% 38%
20260909 $5.00 $2.62 15.7% 29%
20260908 $4.88 $2.55 14.8% 19%
20260904 $4.97 $2.73 13.7% 7%
20260903 $5.12 $2.80 14.1% 11%
20260902 $3.05 $3.05 14.6% 17%
20260901 $3.05 $3.05 14.7% 18%
20260831 $3.15 $3.15 14.4% 14%
20260828 $3.33 $3.33 13.5% 4%
20260827 $3.50 $3.50 14.1% 11%
20260826 $3.62 $3.62 14.7% 18%
20260825 $3.77 $3.77 14.4% 15%
20260824 $3.67 $3.67 14.2% 12%
20260821 $4.25 $5.00 14.9% 20%
20260820 $4.58 $1.45 15.3% 25%
20260819 $4.03 $1.58 13.2% 0%
20260818 $4.33 $1.45 14.3% 3%
20260817 $4.55 $1.70 14.5% 5%
20260814 $4.65 $1.93 14.1% 0%
20260813 $4.80 $2.15 14.5% 0%
20260812 $5.00 $2.35 14.7% 0%
20260811 $5.28 $2.58 15.5% 9%
20260810 $5.53 $2.77 15.7% 10%
20260807 — — 14.6% 0%
20260806 $5.47 $3.12 15.2% 0%
20260805 $3.45 $3.45 15.8% 3%
20260804 $4.12 $4.12 16.2% 6%
20260803 $3.50 $3.50 15.6% 1%
20260731 $4.25 $4.25 16.6% 9%
20260730 $4.32 $4.32 17.1% 12%

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.