iShares Core S&P U.S. Growth ETF (IUSG) Expected Move

Expected move estimates the probable price range for a given period based on at-the-money options pricing. It reflects the market consensus for volatility over the selected timeframe.

iShares Core S&P U.S. Growth ETF (IUSG) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $31.88B, listed on NASDAQ, carrying a beta of 1.16 to the broader market. The iShares Core S&P U. public since 2000-07-28.

Snapshot as of May 15, 2026.

Spot Price
$187.06
Expected Move
6.7%
Implied High
$199.66
Implied Low
$174.46
Front DTE
34 days

As of May 15, 2026, iShares Core S&P U.S. Growth ETF (IUSG) has an expected move of 6.74%, a one-standard-deviation implied price range of roughly $174.46 to $199.66 from the current $187.06. Expected move is derived from at-the-money straddle pricing and represents the market's pricing of a ±1σ move. Roughly 68% of outcomes should fall within this range under lognormal assumptions, though empirical markets have fatter tails.

IUSG Strategy Sizing to the Expected Move

With iShares Core S&P U.S. Growth ETF pricing an expected move of 6.74% from $187.06, risk-defined strategies sized to the implied range structurally target the modal outcome distribution. Iron condors with wings at the ±1σ expected move boundaries collect premium against the ~68% probability that spot stays inside the range under lognormal assumptions; strangles set wider at ±1.5σ or ±2σ target the tails but pay smaller per-trade premium. Long-vol structures (long straddles, ratio backspreads) profit when realized move exceeds the implied move, the inverse trade: they bet against the lognormal assumption itself, capitalizing on the empirically fatter equity-return tails.

Learn how expected move is reported and how to read the data →

Per-expiration expected move for IUSG derived from ATM implied volatility at each listed expiration. Implied high/low bounds are computed as $187.06 × (1 ± expected move %). One standard-deviation range under lognormal assumptions, roughly 68% of outcomes fall inside.

ExpirationDTEATM IVExpected MoveImplied HighImplied Low
Jun 18, 20263423.5%7.2%$200.48$173.64
Jul 17, 20266321.9%9.1%$204.08$170.04
Sep 18, 202612622.4%13.2%$211.68$162.44
Dec 18, 202621723.5%18.1%$220.95$153.17

Frequently asked IUSG expected move questions

What is the current IUSG expected move?
As of May 15, 2026, iShares Core S&P U.S. Growth ETF (IUSG) has an expected move of 6.74% over the next 34 days, implying a one-standard-deviation price range of $174.46 to $199.66 from the current $187.06. The expected move is derived from at-the-money straddle pricing and represents the market consensus for a ±1σ price move.
What does the IUSG expected move mean for traders?
Roughly 68% of outcomes should fall within ±1 expected move and 95% within ±2 under lognormal assumptions, though equity returns have empirically fatter tails than log-normal predicts. Strategies sized to the expected move (iron condors at ±1σ, strangles at ±1.5σ) target the typical outcome distribution; strategies that profit from tail moves (long-vol structures, ratio backspreads) target the tails the lognormal model under-prices.
How is IUSG expected move calculated?
The expected move displayed here is derived from at-the-money implied volatility scaled to the chosen tenor: expected move % is approximately ATM IV times sqrt(T / 365), where T is days to expiration. An equivalent straddle-based form: the ATM straddle (call + put at the same strike) is roughly sqrt(2/pi) times spot times IV times sqrt(T/365), so the implied one-standard-deviation move is approximately 1.25 times ATM straddle divided by spot. The two formulations agree once the sqrt(2/pi) constant is reconciled.