PHLX Gold/Silver Sector Index (XAU) 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.
Snapshot as of May 29, 2026.
- Spot Price
- $371.50
- Expected Move
- 13.6%
- Implied High
- $421.98
- Implied Low
- $321.02
- Front DTE
- 20 days
As of May 29, 2026, PHLX Gold/Silver Sector Index (XAU) has an expected move of 13.59%, a one-standard-deviation implied price range of roughly $321.02 to $421.98 from the current $371.50. 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.
XAU Strategy Sizing to the Expected Move
With PHLX Gold/Silver Sector Index pricing an expected move of 13.59% from $371.50, 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 XAU 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 13.59%, anchoring an implied range of approximately $321.02 to $421.98. 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.
XAU 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. XAU term-structure is in backwardation (slope -0.003), so near-dated tenors price in disproportionate vol - usually because of a known event in the front-month window.
Sizing XAU 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. XAU put/call volume ratio currently at 0.07 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 XAU derived from ATM implied volatility at each listed expiration. Implied high/low bounds are computed as $371.50 × (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 | 20 | 47.4% | 11.1% | $412.72 | $330.28 |
| Jul 17, 2026 | 49 | 47.1% | 17.3% | $435.61 | $307.39 |
| Aug 21, 2026 | 84 | 48.0% | 23.0% | $457.04 | $285.96 |
| Sep 18, 2026 | 112 | 47.8% | 26.5% | $469.87 | $273.13 |
| Sep 30, 2026 | 124 | 47.6% | 27.7% | $474.57 | $268.43 |
| Dec 18, 2026 | 203 | 47.0% | 35.1% | $501.71 | $241.29 |
| Dec 31, 2026 | 216 | 46.5% | 35.8% | $504.39 | $238.61 |
| Mar 31, 2027 | 306 | 45.2% | 41.4% | $525.25 | $217.75 |
Frequently asked XAU expected move questions
- What is the current XAU expected move?
- As of May 29, 2026, PHLX Gold/Silver Sector Index (XAU) has an expected move of 13.59% over the next 20 days, implying a one-standard-deviation price range of $321.02 to $421.98 from the current $371.50. The expected move is derived from at-the-money straddle pricing and represents the market consensus for a ±1σ price move.
- What does the XAU 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 XAU 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.