Roundhill Investments - S&P 500 0DTE Covered Call Strategy ETF (XDTE) 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.
Roundhill Investments - S&P 500 0DTE Covered Call Strategy ETF (XDTE) operates in the Financial Services sector, specifically the Asset Management - Income industry, with a market capitalization near $319.5M, listed on CBOE, carrying a beta of 0.94 to the broader market. The Roundhill S&P 500 0DTE Covered Call Strategy ETF (XDTE) stands out as the pioneering exchange-traded fund to employ zero days to expiry (0DTE) options linked to the S&P 500. public since 2024-03-07.
Snapshot as of Jun 30, 2026.
- Spot Price
- $39.09
- Expected Move
- 11.2%
- Implied High
- $43.47
- Implied Low
- $34.71
- Front DTE
- 17 days
As of Jun 30, 2026, Roundhill Investments - S&P 500 0DTE Covered Call Strategy ETF (XDTE) has an expected move of 11.21%, a one-standard-deviation implied price range of roughly $34.71 to $43.47 from the current $39.09. 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.
XDTE Strategy Sizing to the Expected Move
With Roundhill Investments - S&P 500 0DTE Covered Call Strategy ETF pricing an expected move of 11.21% from $39.09, 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 XDTE 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 11.21%, anchoring an implied range of approximately $34.71 to $43.47. 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.
XDTE 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. XDTE term-structure is in backwardation (slope -0.137), so near-dated tenors price in disproportionate vol - usually because of a known event in the front-month window. With IV rank at 7.6%, the implied move is at the low end of the typical XDTE range - cheap optionality for buyers, thin premium for sellers.
Sizing XDTE 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. XDTE 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 XDTE derived from ATM implied volatility at each listed expiration. Implied high/low bounds are computed as $39.09 × (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 | 17 | 39.1% | 8.4% | $42.39 | $35.79 |
| Aug 21, 2026 | 52 | 25.4% | 9.6% | $42.84 | $35.34 |
| Sep 18, 2026 | 80 | 8.1% | 3.8% | $40.57 | $37.61 |
| Dec 18, 2026 | 171 | 19.3% | 13.2% | $44.25 | $33.93 |
Frequently asked XDTE expected move questions
- What is the current XDTE expected move?
- As of Jun 30, 2026, Roundhill Investments - S&P 500 0DTE Covered Call Strategy ETF (XDTE) has an expected move of 11.21% over the next 17 days, implying a one-standard-deviation price range of $34.71 to $43.47 from the current $39.09. The expected move is derived from at-the-money straddle pricing and represents the market consensus for a ±1σ price move.
- What does the XDTE 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 XDTE 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.