Invesco S&P 500 GARP ETF (SPGP) 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 500 GARP ETF (SPGP) operates in the Financial Services sector, specifically the Asset Management - Global industry, with a market capitalization near $2.19B, listed on AMEX, carrying a beta of 0.98 to the broader market. The Invesco S&P 500 GARP ETF is designed to track the S&P 500 Growth at a Reasonable Price Index. public since 2011-06-16.
Snapshot as of Jun 29, 2026.
- Spot Price
- $122.32
- Expected Move
- 4.9%
- Implied High
- $128.32
- Implied Low
- $116.32
- Front DTE
- 18 days
As of Jun 29, 2026, Invesco S&P 500 GARP ETF (SPGP) has an expected move of 4.90%, a one-standard-deviation implied price range of roughly $116.32 to $128.32 from the current $122.32. 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.
SPGP Strategy Sizing to the Expected Move
With Invesco S&P 500 GARP ETF pricing an expected move of 4.90% from $122.32, 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 SPGP 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 4.90%, anchoring an implied range of approximately $116.32 to $128.32. 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.
SPGP 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. SPGP term-structure is in contango (slope 0.001), 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 1.2%, the implied move is at the low end of the typical SPGP range - cheap optionality for buyers, thin premium for sellers.
Sizing SPGP 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. SPGP 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 →
Per-expiration expected move for SPGP derived from ATM implied volatility at each listed expiration. Implied high/low bounds are computed as $122.32 × (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 |
|---|---|---|---|---|---|
| Jul 17, 2026 | 18 | 17.1% | 3.8% | $126.96 | $117.68 |
| Aug 21, 2026 | 53 | 17.2% | 6.6% | $130.34 | $114.30 |
| Sep 18, 2026 | 81 | 17.9% | 8.4% | $132.63 | $112.01 |
| Dec 18, 2026 | 172 | 18.7% | 12.8% | $138.02 | $106.62 |
Frequently asked SPGP expected move questions
- What is the current SPGP expected move?
- As of Jun 29, 2026, Invesco S&P 500 GARP ETF (SPGP) has an expected move of 4.90% over the next 18 days, implying a one-standard-deviation price range of $116.32 to $128.32 from the current $122.32. The expected move is derived from at-the-money straddle pricing and represents the market consensus for a ±1σ price move.
- What does the SPGP 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 SPGP 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.