Data through close

MUU max pain, gamma exposure (GEX) & options open interest

As of close · rank #495 by open interest · 123 sessions of history since Apr 15, 2026

MUU's nearest-expiration max pain is 34.00 for 2026-10-16, its GEX flip is 30.57, net GEX is 1,971,244, its put/call open-interest ratio is 0.55. These are whole-chain derived aggregates as of Oct 9, 2026 close.

MUU max pain and GEX snapshot

End-of-day snapshot for . Nearest-expiration max pain uses the expiry shown on its card; GEX uses the whole chain. Missing values are unavailable, not zero.

Nearest-expiration max pain
34.00
+0.8% from close
Expiry: 2026-10-16
GEX flip
30.57
-9.4% from close
Net GEX
1,971,244
1,266,549 per 100k OI
Call wall
40.00
+18.6% from close
Put wall
35.00
+3.8% from close
Put/call OI
0.55
55,521 puts / 100,118 calls

Prices are in US dollars per share. Net GEX is modeled dollar-delta change per $1 underlying move. Max pain minimizes aggregate intrinsic payout for that expiration; it is not a closing-price forecast. Signed GEX uses calls positive and puts negative, a model convention rather than observed dealer inventory. The flip is a confirmed zero crossing; walls locate side-specific concentrations, not guaranteed support or resistance.

Learn how to read the max pain payout example, GEX chart, gamma flip and walls, and open interest versus trading volume.

Close
33.73
prev 34.26
Gamma max
42.01
+24.6% from close
Delta neutral
31.22
-7.4% from close
Gamma neutral
30.57
-9.4% from close
Open interest
155,639
-14.0% vs prev
Contracts listed
784
509 calls · 388 puts

Advanced options analysis

Public aggregate 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.

Catalyst intensity
55.8
cross-sectional score / 100
Directional score
8.8
mixed positioning
IV rank
44.7
within trailing 52-week range
Front IV premium
-1.5 pp
front minus back volatility difference
25Δ risk reversal
-2.0 pp
put IV minus call IV
IV butterfly
-5.1 pp
front-window smile convexity
Volume / open interest
0.16
30,173 contracts traded
Normalized net delta
0.075
option-holder convention
Modeled dealer delta
-0.074
opposite-side scenario
Vanna / 100k OI
1,036
volatility-sensitive delta
Charm / 100k OI
-20,031
time-decay-sensitive delta
IV surface range
118.0 pp
aggregate volatility dispersion

Strongest relative signals: volume/OI 0.16

Download the dated aggregate analysis JSON .

MUU closed 24.6% below its gamma max of 42.01. It is 7.4% above the delta neutral price of 31.22. Total open interest is 155,639, -14.0% versus the previous session. Its options catalyst-intensity score is 55.8 out of 100, led by volume/OI 0.16. 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.

MUU call and put open interest changes
Measure Value
Call OI change, 1 session -13,619 contracts · -12.0%
Put OI change, 1 session -11,665 contracts · -17.4%
Call minus put OI growth, 1 session +5.4 pp
Call OI change, 5 sessions +19,614 contracts · +24.4%
Put OI change, 5 sessions +4,044 contracts · +7.9%
Call minus put OI growth, 5 sessions +16.5 pp
Daily call OI change surprise — (120 prior changes)
Daily put OI change surprise — (120 prior changes)
Daily call-minus-put growth surprise — (104 prior changes)

History

2026-04 2026-10
close delta neutral gamma max
Full history since 2020: drag to pan, scroll to zoom, hover for values. Open full-screen chart

Analysis visualizations

Daily ticker aggregates through 2026-10-09. Contract-level charts are outside the public dataset.

Aggregate IV history

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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 5 completed Day +10 paths · latest Sep 23, 2026
MUU returns after crossing below gamma max Historical close-to-close return paths from Day 0 through Day 10, with the median, middle fifty percent, and a nominal confidence interval for the median. -104.0% -52.0% 0% +52.0% +104.0% Cross on Apr 30, 2026 Cross on May 5, 2026 Cross on Jun 4, 2026 Cross on Jun 23, 2026 Cross on Sep 23, 2026 Day 0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +10
prior crosses middle 50% of outcomes nominal ≥90% median interval median
MUU historical gamma-max cross outcomes after closing below
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 5 -1.6% -2.2% to +22.9% 40% -16.3% to +109.9% 0.0%
Day +9 5 +2.5% -5.5% to +9.0% 60% -24.2% to +129.8% 0.0%
Day +10 5 +13.4% +1.9% to +19.8% 80% -22.6% to +115.6% 0.0%
Crosses above gamma max 5 completed Day +10 paths · latest Sep 21, 2026
MUU returns after crossing above gamma max Historical close-to-close return paths from Day 0 through Day 10, with the median, middle fifty percent, and a nominal confidence interval for the median. -124.0% -62.0% 0% +62.0% +124.0% Cross on Apr 27, 2026 Cross on May 1, 2026 Cross on May 15, 2026 Cross on Jun 2, 2026 Cross on Sep 21, 2026 Day 0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +10
prior crosses middle 50% of outcomes nominal ≥90% median interval median
MUU historical gamma-max cross outcomes after closing above
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 5 +69.5% +2.3% to +95.7% 80% -14.3% to +118.9% 0.0%

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 123 sessions

MUU trailing historical statistics
Sessions closed above gamma max 10%
Gamma max crosses 12
Delta neutral crosses 10
Prior-year sessions closer to gamma max 70.2% of 121
Prior-year sessions closer to delta neutral 23.1% of 121
Open interest percentile (1y) 59th
Daily open interest change versus prior year – (-25,284 contracts; 121 prior changes)
Open interest change, 5 sessions +17.9%
Open interest change, 21 sessions -20.0%
History available Apr 15, 2026 → Oct 9, 2026

Recent crosses

  1. closed below gamma max at 37.19 vs 38.88 (-4.5%)
  2. closed above gamma max at 35.56 vs 35.18 (+1.1%)
  3. closed above delta neutral at 28.53 vs 27.41 (+3.9%)
  4. closed below delta neutral at 25.62 vs 25.76 (-0.5%)
  5. closed above delta neutral at 27.57 vs 25.13 (+8.9%)
  6. closed below delta neutral at 23.99 vs 24.45 (-1.9%)
  7. closed above delta neutral at 26.97 vs 25.65 (+4.9%)
  8. closed below delta neutral at 24.55 vs 24.66 (-0.4%)
  9. closed above delta neutral at 27.24 vs 23.82 (+12.6%)
  10. closed below delta neutral at 745.39 vs 746.47 (-0.1%)

In today's screens

Neighbours by open interest

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Canonical source: https://halfonadouble.com/stock/MUU

Questions people ask about MUU

What is MUU's max pain for the nearest expiration?

As of Oct 9, 2026 close, nearest-expiration max pain is 34.00 for the 2026-10-16 expiration. It is a payout-minimizing strike for one expiration. An all-expiration pooled value is a different comparison, and neither establishes where the underlying will close. Max pain definition and worked payout example.

Our 2025 max-pain study compares historical Thursday levels with Friday underlying closes and an unchanged-price baseline. Its scope and results are separate from this current ticker snapshot.

What do MUU's gamma exposure and gamma flip show?

Signed net GEX is 1,971,244 as of Oct 9, 2026 close. The confirmed GEX flip is 30.57. These aggregate model outputs use calls positive and puts negative. Their sign does not identify dealers' actual positions or predict the next move. How to interpret GEX, gamma flip and walls.

Where is MUU's gamma max today?

As of Oct 9, 2026, the gamma max for MUU is 42.01, +24.6% from the 33.73 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: 33.73 against a delta neutral price of 31.22. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does MUU have?

155,639 contracts of open interest across 784 listed contracts on Oct 9, 2026, -14.0% 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.