First Trust Indxx Aerospace & Defense ETF (MISL) 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.
First Trust Indxx Aerospace & Defense ETF (MISL) operates in the Financial Services sector, specifically the Asset Management industry, with a market capitalization near $214.4M, listed on AMEX, carrying a beta of 0.86 to the broader market. The First Trust Indxx Aerospace & Defense ETF (the "Fund") seeks investment results that correspond generally to the price and yield, before fees and expenses, of an equity index called the Indxx US Aerospace & Defense Index (the "Index"). Led by James M. Dykas, public since 2022-10-26.
Snapshot as of May 15, 2026.
- Spot Price
- $44.54
- Expected Move
- 8.8%
- Implied High
- $48.47
- Implied Low
- $40.61
- Front DTE
- 34 days
As of May 15, 2026, First Trust Indxx Aerospace & Defense ETF (MISL) has an expected move of 8.83%, a one-standard-deviation implied price range of roughly $40.61 to $48.47 from the current $44.54. 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.
MISL Strategy Sizing to the Expected Move
With First Trust Indxx Aerospace & Defense ETF pricing an expected move of 8.83% from $44.54, 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 MISL derived from ATM implied volatility at each listed expiration. Implied high/low bounds are computed as $44.54 × (1 ± expected move %). One standard-deviation range under lognormal assumptions, roughly 68% of outcomes fall inside.
| Expiration | DTE | ATM IV | Expected Move | Implied High | Implied Low |
|---|---|---|---|---|---|
| Jun 18, 2026 | 34 | 30.8% | 9.4% | $48.73 | $40.35 |
| Jul 17, 2026 | 63 | 33.9% | 14.1% | $50.81 | $38.27 |
| Aug 21, 2026 | 98 | 35.9% | 18.6% | $52.83 | $36.25 |
| Nov 20, 2026 | 189 | 27.8% | 20.0% | $53.45 | $35.63 |
Frequently asked MISL expected move questions
- What is the current MISL expected move?
- As of May 15, 2026, First Trust Indxx Aerospace & Defense ETF (MISL) has an expected move of 8.83% over the next 34 days, implying a one-standard-deviation price range of $40.61 to $48.47 from the current $44.54. The expected move is derived from at-the-money straddle pricing and represents the market consensus for a ±1σ price move.
- What does the MISL 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 MISL 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.