MUU max pain, gamma exposure (GEX) & options open interest
As of close · rank #538 by open interest · 118 sessions of history since Apr 15, 2026
MUU's nearest-expiration max pain is 35.00 for 2026-10-09, its GEX flip is 31.36, net GEX is 3,047,111, its put/call open-interest ratio is 0.64. These are whole-chain derived aggregates as of Oct 2, 2026 close.
Whole-chain analytics
Derived after the close from the same dated options chain. Signed gamma exposure uses calls positive and puts negative; it is a model convention, not observed dealer inventory.
Advanced options analysis
Complete derived analysis from the dated chain, normalized where possible for comparison across tickers. Catalyst intensity measures unusual pricing and activity; it does not identify an event, predict direction, or establish that an investment is attractive.
Strongest relative signals: volume/OI 0.23 · 7d expected move +12.8%
MUU closed 11.7% below its gamma max of 41.46. It is 13.0% above the delta neutral price of 32.28. Total open interest is 131,981, -33.1% versus the previous session. Its options catalyst-intensity score is 62.4 out of 100, led by volume/OI 0.23, 7d expected move +12.8%. What gamma max means · What delta neutral means
Call versus put open interest changes
Growth compares outstanding contracts on each side. A positive growth gap favors calls; a negative gap favors puts. Standardized surprises compare each measure with its own prior history. These describe the OI balance, not IV skew or buying direction.
| Measure | Value |
|---|---|
| Call OI change, 1 session | -40,939 contracts · -33.7% |
| Put OI change, 1 session | -24,244 contracts · -32.0% |
| Call minus put OI growth, 1 session | -1.7 pp |
| Call OI change, 5 sessions | -3,868 contracts · -4.6% |
| Put OI change, 5 sessions | +742 contracts · +1.5% |
| Call minus put OI growth, 5 sessions | -6.0 pp |
| Daily call OI change surprise | — (115 prior changes) |
| Daily put OI change surprise | — (115 prior changes) |
| Daily call-minus-put growth surprise | — (99 prior changes) |
History
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Analysis visualizations
Derived from the 2026-10-02 options chain. Select an analysis to explore its chart.
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Gamma walls
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What followed prior gamma-max crosses?
Each historical path starts at 0% on the cross date and follows the close for ten subsequent trading sessions. Cohorts use the same direction as labelled and require gamma max to be within 10% of the close on both crossing sessions.
Crosses below gamma max 4 completed Day +10 paths · latest Sep 23, 2026
| Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
|---|---|---|---|---|---|---|
| Day +1 | 5 | +1.4% | -0.6% to +7.9% | 60% | -26.6% to +9.3% | 0.0% |
| Day +2 | 5 | +1.8% | +1.5% to +23.4% | 80% | -12.4% to +30.2% | 0.0% |
| Day +3 | 5 | +12.3% | -3.4% to +33.1% | 60% | -14.9% to +50.6% | 0.0% |
| Day +4 | 5 | +15.5% | -1.5% to +49.9% | 60% | -23.1% to +62.6% | 0.0% |
| Day +5 | 5 | +15.5% | -1.0% to +39.4% | 60% | -5.0% to +53.0% | 0.0% |
| Day +6 | 5 | +4.3% | -6.4% to +52.6% | 60% | -7.9% to +100.5% | 0.0% |
| Day +7 | 5 | +11.4% | -0.2% to +43.1% | 60% | -17.9% to +125.8% | 0.0% |
| Day +8 | 4 | +10.7% | -5.3% to +44.7% | 50% | – | – |
| Day +9 | 4 | +5.7% | -4.2% to +39.2% | 75% | – | – |
| Day +10 | 4 | +16.6% | +4.4% to +43.8% | 75% | – | – |
Crosses above gamma max 4 completed Day +10 paths · latest Sep 21, 2026
| Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
|---|---|---|---|---|---|---|
| Day +1 | 5 | +2.9% | -7.9% to +9.4% | 60% | -11.4% to +12.9% | 0.0% |
| Day +2 | 5 | -2.6% | -7.7% to +4.6% | 40% | -12.9% to +37.9% | 0.0% |
| Day +3 | 5 | +1.7% | -3.1% to +6.0% | 60% | -36.1% to +48.8% | 0.0% |
| Day +4 | 5 | +6.4% | +5.9% to +9.8% | 80% | -23.7% to +40.0% | 0.0% |
| Day +5 | 5 | +6.6% | +1.0% to +19.6% | 80% | -25.9% to +83.5% | 0.0% |
| Day +6 | 5 | +46.0% | +3.0% to +47.6% | 80% | -33.0% to +106.7% | 0.0% |
| Day +7 | 5 | +57.6% | +3.5% to +58.4% | 80% | -17.2% to +92.1% | 0.0% |
| Day +8 | 5 | +48.3% | +9.1% to +56.6% | 80% | -19.7% to +110.4% | 0.0% |
| Day +9 | 5 | +72.9% | +4.3% to +94.3% | 80% | -2.9% to +97.3% | 0.0% |
| Day +10 | 4 | +82.6% | +48.5% to +101.5% | 75% | – | – |
Returns are close-to-close after the labelled number of subsequent trading sessions. The confidence floor is the closest-to-zero bound of the order-statistic median interval; it is zero when that interval spans zero. Its coverage is nominally at least 90% under independent observations. Historical paths can overlap, so the interval and floor are descriptive uncertainty guides rather than formal coverage guarantees. Historical, not a forecast.
Last 118 sessions
| Sessions closed above gamma max | 10% |
| Gamma max crosses | 12 |
| Delta neutral crosses | 10 |
| Prior-year sessions closer to gamma max | 39.7% of 116 |
| Prior-year sessions closer to delta neutral | 42.2% of 116 |
| Open interest percentile (1y) | 54th |
| Daily open interest change versus prior year | – (-65,183 contracts; 116 prior changes) |
| Open interest change, 5 sessions | -2.3% |
| Open interest change, 21 sessions | -27.1% |
| History available | Apr 15, 2026 → Oct 2, 2026 |
Recent crosses
- closed below gamma max at 37.19 vs 38.88 (-4.5%)
- closed above gamma max at 35.56 vs 35.18 (+1.1%)
- closed above delta neutral at 28.53 vs 27.41 (+3.9%)
- closed below delta neutral at 25.62 vs 25.76 (-0.5%)
- closed above delta neutral at 27.57 vs 25.13 (+8.9%)
- closed below delta neutral at 23.99 vs 24.45 (-1.9%)
- closed above delta neutral at 26.97 vs 25.65 (+4.9%)
- closed below delta neutral at 24.55 vs 24.66 (-0.4%)
- closed above delta neutral at 27.24 vs 23.82 (+12.6%)
- closed below delta neutral at 745.39 vs 746.47 (-0.1%)
In today's screens
Neighbours by open interest
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Share the dated 1600×840 image or cite this canonical page. The card contains public derived aggregates, not contract-level quotes.
Canonical source: https://halfonadouble.com/stock/MUU
Questions people ask about MUU
Where is MUU's gamma max today?
As of Oct 2, 2026, the gamma max for MUU is 41.46, +11.7% from the 37.10 close. Gamma max is the underlying price at which the summed gamma of every open contract is largest; how it is computed and why it matters.
Is MUU above or below its delta neutral price?
MUU closed above delta neutral: 37.10 against a delta neutral price of 32.28. The delta neutral price is where the summed delta of the whole chain is zero; the definition.
How much open interest does MUU have?
131,981 contracts of open interest across 802 listed contracts on Oct 2, 2026, -33.1% versus the previous session. What open interest measures.
Levels are recomputed after every trading day from licensed end-of-day options data; only derived aggregates are published. Methodology · Data and licence · Not investment advice.