SU max pain, gamma exposure (GEX) & options open interest
As of close · rank #497 by open interest · 1,394 sessions of history since Dec 1, 2020
SU's nearest-expiration max pain is 66.00 for 2026-10-09, its GEX flip is 59.14, net GEX is 11,152,642, its put/call open-interest ratio is 0.46. 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: front IV premium -0.5 pp
SU closed 7.5% below its gamma max of 74.76. It is 7.5% above the delta neutral price of 64.34. Total open interest is 147,292, -0.9% versus the previous session. Its options catalyst-intensity score is 49.4 out of 100, led by front IV premium -0.5 pp. 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 | -903 contracts · -0.9% |
| Put OI change, 1 session | -500 contracts · -1.1% |
| Call minus put OI growth, 1 session | +0.2 pp |
| Call OI change, 5 sessions | +1,653 contracts · +1.7% |
| Put OI change, 5 sessions | +1,503 contracts · +3.4% |
| Call minus put OI growth, 5 sessions | -1.7 pp |
| Daily call OI change surprise | -0.25σ (252 prior changes) |
| Daily put OI change surprise | -0.09σ (252 prior changes) |
| Daily call-minus-put growth surprise | +0.00σ (252 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 51 completed Day +10 paths · latest Aug 19, 2026
| Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
|---|---|---|---|---|---|---|
| Day +1 | 51 | -0.0% | -1.4% to +1.2% | 49% | -0.9% to +0.7% | 0.0% |
| Day +2 | 51 | +0.6% | -1.9% to +1.6% | 61% | -0.0% to +0.9% | 0.0% |
| Day +3 | 51 | +0.5% | -2.4% to +3.0% | 59% | -0.1% to +1.1% | 0.0% |
| Day +4 | 51 | +1.0% | -1.9% to +2.5% | 61% | 0.0% to +1.8% | 0.0% |
| Day +5 | 51 | +1.5% | -2.3% to +3.9% | 59% | -0.2% to +2.6% | 0.0% |
| Day +6 | 51 | +1.0% | -1.9% to +4.7% | 61% | -0.2% to +3.2% | 0.0% |
| Day +7 | 51 | +0.6% | -3.1% to +5.2% | 55% | -1.3% to +2.9% | 0.0% |
| Day +8 | 51 | +0.3% | -2.3% to +6.3% | 59% | -0.9% to +3.7% | 0.0% |
| Day +9 | 51 | +1.9% | -2.6% to +6.0% | 63% | +0.2% to +3.6% | +0.2% |
| Day +10 | 51 | +1.8% | -4.0% to +6.7% | 63% | +0.5% to +4.6% | +0.5% |
Crosses above gamma max 52 completed Day +10 paths · latest Aug 18, 2026
| Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
|---|---|---|---|---|---|---|
| Day +1 | 52 | -0.1% | -1.1% to +1.5% | 48% | -0.5% to +0.3% | 0.0% |
| Day +2 | 52 | -0.1% | -1.5% to +2.0% | 50% | -0.8% to +0.7% | 0.0% |
| Day +3 | 52 | +0.4% | -1.9% to +2.1% | 52% | -1.2% to +1.1% | 0.0% |
| Day +4 | 52 | +0.4% | -2.3% to +3.0% | 52% | -1.3% to +1.4% | 0.0% |
| Day +5 | 52 | +0.3% | -3.1% to +4.2% | 54% | -1.4% to +1.8% | 0.0% |
| Day +6 | 52 | +1.5% | -2.4% to +3.9% | 60% | -0.4% to +2.5% | 0.0% |
| Day +7 | 52 | +1.2% | -3.3% to +3.6% | 60% | -1.8% to +2.5% | 0.0% |
| Day +8 | 52 | +1.0% | -3.5% to +4.0% | 58% | -2.7% to +3.4% | 0.0% |
| Day +9 | 52 | +0.4% | -3.5% to +5.5% | 52% | -1.2% to +3.0% | 0.0% |
| Day +10 | 52 | +0.8% | -3.7% to +5.0% | 54% | -1.6% to +3.9% | 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 252 sessions
| Sessions closed above gamma max | 5% |
| Gamma max crosses | 16 |
| Delta neutral crosses | 4 |
| Prior-year sessions closer to gamma max | 61.1% of 252 |
| Prior-year sessions closer to delta neutral | 37.7% of 252 |
| Open interest percentile (1y) | 41th |
| Daily open interest change versus prior year | -0.18σ (-1,403 contracts; 252 prior changes) |
| Open interest change, 5 sessions | +2.2% |
| Open interest change, 21 sessions | -8.2% |
| History available | Dec 1, 2020 → Oct 2, 2026 |
Recent crosses
- closed below gamma max at 67.47 vs 67.86 (-0.6%)
- closed above gamma max at 67.68 vs 67.60 (+0.1%)
- closed below gamma max at 65.81 vs 68.92 (-4.7%)
- closed above gamma max at 66.41 vs 65.87 (+0.8%)
- closed above delta neutral at 56.08 vs 54.13 (+3.5%)
- closed below delta neutral at 55.26 vs 55.40 (-0.3%)
- closed below gamma max at 63.71 vs 65.23 (-2.4%)
- closed above gamma max at 61.98 vs 61.48 (+0.8%)
- closed below gamma max at 52.66 vs 54.37 (-3.3%)
- closed above gamma max at 52.03 vs 51.61 (+0.8%)
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Neighbours by open interest
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Canonical source: https://halfonadouble.com/stock/SU
Questions people ask about SU
Where is SU's gamma max today?
As of Oct 2, 2026, the gamma max for SU is 74.76, +7.5% from the 69.56 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 SU above or below its delta neutral price?
SU closed above delta neutral: 69.56 against a delta neutral price of 64.34. The delta neutral price is where the summed delta of the whole chain is zero; the definition.
How much open interest does SU have?
147,292 contracts of open interest across 284 listed contracts on Oct 2, 2026, -0.9% 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.