GEV max pain, gamma exposure (GEX) & options open interest
As of close · rank #394 by open interest · 553 sessions of history since Apr 8, 2024
GEV's nearest-expiration max pain is 942.50 for 2026-10-09, its GEX flip is 991.11, net GEX is -168,773, its put/call open-interest ratio is 1.41. 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.
GEV closed 15.8% below its gamma max of 1,145.04. It is 3.4% above the delta neutral price of 955.20. Total open interest is 210,669, -5.5% versus the previous session. Its options catalyst-intensity score is 46.3 out of 100. 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 | -4,419 contracts · -4.8% |
| Put OI change, 1 session | -7,884 contracts · -6.0% |
| Call minus put OI growth, 1 session | +1.2 pp |
| Call OI change, 5 sessions | +4,380 contracts · +5.3% |
| Put OI change, 5 sessions | +2,054 contracts · +1.7% |
| Call minus put OI growth, 5 sessions | +3.6 pp |
| Daily call OI change surprise | -0.67σ (252 prior changes) |
| Daily put OI change surprise | -1.00σ (252 prior changes) |
| Daily call-minus-put growth surprise | +0.58σ (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 18 completed Day +10 paths · latest Apr 23, 2026
| Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
|---|---|---|---|---|---|---|
| Day +1 | 18 | -0.4% | -1.9% to +2.2% | 39% | -1.5% to +1.5% | 0.0% |
| Day +2 | 18 | -0.5% | -1.4% to +3.6% | 44% | -1.1% to +3.3% | 0.0% |
| Day +3 | 18 | +1.4% | -2.2% to +6.4% | 56% | -1.6% to +3.2% | 0.0% |
| Day +4 | 18 | +2.8% | -2.9% to +4.9% | 67% | -1.0% to +4.8% | 0.0% |
| Day +5 | 18 | +3.6% | -4.6% to +5.6% | 67% | -1.0% to +5.0% | 0.0% |
| Day +6 | 18 | +4.9% | -5.4% to +6.1% | 67% | -2.1% to +6.0% | 0.0% |
| Day +7 | 18 | +3.8% | -6.4% to +7.2% | 56% | -6.0% to +7.0% | 0.0% |
| Day +8 | 18 | -1.0% | -4.7% to +6.3% | 44% | -4.6% to +5.2% | 0.0% |
| Day +9 | 18 | +4.4% | -4.6% to +11.9% | 67% | -2.7% to +11.2% | 0.0% |
| Day +10 | 18 | +3.2% | -4.6% to +10.3% | 67% | -1.1% to +8.9% | 0.0% |
Crosses above gamma max 15 completed Day +10 paths · latest Feb 13, 2026
| Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
|---|---|---|---|---|---|---|
| Day +1 | 15 | +0.4% | -1.1% to +2.4% | 53% | -1.1% to +2.7% | 0.0% |
| Day +2 | 15 | +1.1% | -1.4% to +4.0% | 60% | -1.5% to +5.2% | 0.0% |
| Day +3 | 15 | +1.9% | -1.0% to +4.5% | 60% | -1.1% to +5.0% | 0.0% |
| Day +4 | 15 | +3.5% | -1.2% to +9.7% | 67% | -1.2% to +10.7% | 0.0% |
| Day +5 | 15 | +2.9% | -1.1% to +5.8% | 73% | -4.2% to +7.5% | 0.0% |
| Day +6 | 15 | +2.6% | -2.3% to +6.2% | 60% | -2.5% to +6.8% | 0.0% |
| Day +7 | 15 | +4.1% | -3.0% to +8.8% | 67% | -5.2% to +9.2% | 0.0% |
| Day +8 | 15 | +4.4% | -9.1% to +9.2% | 60% | -9.7% to +9.3% | 0.0% |
| Day +9 | 15 | +3.0% | -3.9% to +10.5% | 53% | -4.0% to +12.0% | 0.0% |
| Day +10 | 15 | +9.8% | -2.9% to +13.5% | 67% | -4.6% to +13.8% | 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 | 2% |
| Gamma max crosses | 10 |
| Delta neutral crosses | 24 |
| Prior-year sessions closer to gamma max | 73.4% of 252 |
| Prior-year sessions closer to delta neutral | 34.5% of 252 |
| Open interest percentile (1y) | 71th |
| Daily open interest change versus prior year | -0.86σ (-12,303 contracts; 252 prior changes) |
| Open interest change, 5 sessions | +3.2% |
| Open interest change, 21 sessions | -9.5% |
| History available | Apr 8, 2024 → Oct 2, 2026 |
Recent crosses
- closed above delta neutral at 946.22 vs 944.18 (+0.2%)
- closed below delta neutral at 951.04 vs 956.75 (-0.6%)
- closed above delta neutral at 971.31 vs 959.11 (+1.3%)
- closed below delta neutral at 987.46 vs 990.89 (-0.3%)
- closed above delta neutral at 981.98 vs 979.87 (+0.2%)
- closed below delta neutral at 996.57 vs 1,001.82 (-0.5%)
- closed above delta neutral at 1,031.19 vs 1,018.14 (+1.3%)
- closed below delta neutral at 985.03 vs 1,000.06 (-1.5%)
- closed above delta neutral at 940.66 vs 934.39 (+0.7%)
- closed below delta neutral at 933.61 vs 943.70 (-1.1%)
In today's screens
Neighbours by open interest
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Canonical source: https://halfonadouble.com/stock/GEV
Questions people ask about GEV
Where is GEV's gamma max today?
As of Oct 2, 2026, the gamma max for GEV is 1,145.04, +15.8% from the 988.70 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 GEV above or below its delta neutral price?
GEV closed above delta neutral: 988.70 against a delta neutral price of 955.20. The delta neutral price is where the summed delta of the whole chain is zero; the definition.
How much open interest does GEV have?
210,669 contracts of open interest across 2,251 listed contracts on Oct 2, 2026, -5.5% 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.