Invesco S&P MidCap Momentum ETF (XMMO) 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.

Invesco S&P MidCap Momentum ETF (XMMO) operates in the Financial Services sector, specifically the Asset Management - Global industry, with a market capitalization near $8.48B, listed on AMEX, carrying a beta of 1.10 to the broader market. The Invesco S&P MidCap Momentum ETF (XMMO) is designed to track the S&P Midcap 400 Momentum Index. public since 2005-03-03.

Snapshot as of Aug 14, 2026.

Spot Price
$165.00
Expected Move
5.5%
Implied High
$174.04
Implied Low
$155.96
Front DTE
35 days

As of Aug 14, 2026, Invesco S&P MidCap Momentum ETF (XMMO) has an expected move of 5.48%, a one-standard-deviation implied price range of roughly $155.96 to $174.04 from the current $165.00. 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.

XMMO Strategy Sizing to the Expected Move

With Invesco S&P MidCap Momentum ETF pricing an expected move of 5.48% from $165.00, 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.

How to read the XMMO implied-range chart

The shaded range above shows the one-standard-deviation implied price band at each listed expiration, derived from ATM implied volatility scaled to days-to-expiration. The front-tenor expected move is 5.48%, anchoring an implied range of approximately $155.96 to $174.04. Under lognormal assumptions, roughly 68% of outcomes fall inside that band; 95% fall inside ±2σ; 99.7% inside ±3σ. The empirical equity-return distribution has fatter tails than lognormal, so true tail-outcome frequency is moderately higher than these closed-form numbers suggest.

XMMO expected move and event pricing

Expected move widens with √time: a 5% 30-day move corresponds to roughly a 2.5% 7.5-day move and a 10% 120-day move. XMMO term-structure is in contango (slope 0.009), so longer-dated tenors price in proportionally more vol than √time scaling alone would suggest - typically because long-dated cycles include uncertain macro states. With IV rank at 1.3%, the implied move is at the low end of the typical XMMO range - cheap optionality for buyers, thin premium for sellers.

Sizing XMMO structures to the expected move

Iron condors with wings at ±1σ collect the modal-outcome premium; ±1.5σ widens probability of inside-range to ~87% but cuts collected premium roughly in half. Strangles do the inverse trade - they pay against the same lognormal distribution, profiting when realized exceeds implied. Calendar spreads bet on the slope of the term structure rather than the level. XMMO put/call volume ratio currently at 0.00 indicates speculative call flow dominates - look for upside-skewed sentiment. The expected move is the inputs the chain is pricing, not a forecast - realized moves above or below are normal under any distribution.

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

XMMO one-standard-deviation implied price range by days-to-expiration, with current spot marked as the midpointXMMO Implied Price Range by Expiration$140$150$160$170$180$19050d100d150d200dDays to ExpirationImplied Price Range ($)
Shaded band shows the ±1σ implied price range (~68% probability under lognormal assumptions) at each expiration; the center line marks current spot. Bands widen with longer DTE since volatility scales with √time.

Per-expiration expected move for XMMO derived from ATM implied volatility at each listed expiration. Implied high/low bounds are computed as $165.00 × (1 ± expected move %). One standard-deviation range under lognormal assumptions, roughly 68% of outcomes fall inside.

ExpirationDTEATM IVExpected MoveImplied HighImplied Low
Aug 21, 2026717.8%2.5%$169.07$160.93
Sep 18, 20263519.1%5.9%$174.76$155.24
Dec 18, 202612620.0%11.8%$184.39$145.61
Mar 19, 202721719.9%15.3%$190.32$139.68

Frequently asked XMMO expected move questions

What is the current XMMO expected move?
As of Aug 14, 2026, Invesco S&P MidCap Momentum ETF (XMMO) has an expected move of 5.48% over the next 35 days, implying a one-standard-deviation price range of $155.96 to $174.04 from the current $165.00. The expected move is derived from at-the-money straddle pricing and represents the market consensus for a ±1σ price move.
What does the XMMO 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 XMMO 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.