GOOG max pain, gamma exposure (GEX) & options open interest
As of close · rank #60 by open interest · 1,394 sessions of history since Dec 1, 2020
GOOG's nearest-expiration max pain is 337.50 for 2026-10-09, its GEX flip is 331.23, net GEX is 40,818,716, its put/call open-interest ratio is 0.73. 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 0.12
GOOG closed 10.1% below its gamma max of 374.88. It is 3.7% above the delta neutral price of 327.92. Total open interest is 1,749,278, -3.9% versus the previous session. Its options catalyst-intensity score is 34.8 out of 100, led by volume/OI 0.12. 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 | -43,236 contracts · -4.1% |
| Put OI change, 1 session | -28,145 contracts · -3.7% |
| Call minus put OI growth, 1 session | -0.4 pp |
| Call OI change, 5 sessions | +23,409 contracts · +2.4% |
| Put OI change, 5 sessions | +42,132 contracts · +6.1% |
| Call minus put OI growth, 5 sessions | -3.7 pp |
| Daily call OI change surprise | -0.79σ (252 prior changes) |
| Daily put OI change surprise | -0.68σ (252 prior changes) |
| Daily call-minus-put growth surprise | -0.26σ (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 16 completed Day +10 paths · latest May 4, 2026
| Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
|---|---|---|---|---|---|---|
| Day +1 | 16 | +0.0% | -1.1% to +1.1% | 50% | -1.0% to +1.1% | 0.0% |
| Day +2 | 16 | +0.4% | -0.6% to +1.8% | 69% | -0.5% to +1.8% | 0.0% |
| Day +3 | 16 | +1.4% | -0.6% to +2.1% | 69% | -0.5% to +1.9% | 0.0% |
| Day +4 | 16 | +0.8% | -0.9% to +2.2% | 63% | -0.6% to +1.9% | 0.0% |
| Day +5 | 16 | +1.4% | -0.2% to +2.0% | 75% | +0.2% to +1.9% | +0.2% |
| Day +6 | 16 | +1.1% | -0.5% to +2.2% | 63% | -0.3% to +2.0% | 0.0% |
| Day +7 | 16 | +1.5% | -1.2% to +3.0% | 69% | -1.1% to +2.9% | 0.0% |
| Day +8 | 16 | +2.0% | -0.5% to +3.2% | 69% | -0.5% to +3.2% | 0.0% |
| Day +9 | 16 | +2.2% | -1.5% to +4.0% | 69% | -1.1% to +3.6% | 0.0% |
| Day +10 | 16 | +2.3% | -0.3% to +4.1% | 75% | +0.2% to +3.4% | +0.2% |
Crosses above gamma max 16 completed Day +10 paths · latest Apr 30, 2026
| Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
|---|---|---|---|---|---|---|
| Day +1 | 16 | +0.2% | -0.3% to +1.0% | 56% | -0.2% to +0.9% | 0.0% |
| Day +2 | 16 | +0.7% | -0.6% to +1.2% | 69% | -0.6% to +1.1% | 0.0% |
| Day +3 | 16 | +0.6% | -0.2% to +2.0% | 69% | -0.2% to +1.8% | 0.0% |
| Day +4 | 16 | +1.4% | -0.0% to +3.2% | 75% | +0.5% to +3.1% | +0.5% |
| Day +5 | 16 | +0.6% | -1.1% to +3.5% | 63% | -1.1% to +3.5% | 0.0% |
| Day +6 | 16 | +1.4% | -0.4% to +2.6% | 69% | -0.3% to +2.2% | 0.0% |
| Day +7 | 16 | +1.1% | -0.4% to +1.8% | 69% | -0.4% to +1.7% | 0.0% |
| Day +8 | 16 | +0.4% | -0.5% to +3.3% | 69% | -0.2% to +3.2% | 0.0% |
| Day +9 | 16 | +1.6% | -0.9% to +4.2% | 69% | -0.8% to +4.1% | 0.0% |
| Day +10 | 16 | +1.8% | -1.4% to +5.3% | 69% | -1.3% to +5.1% | 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 | 6 |
| Delta neutral crosses | 6 |
| Prior-year sessions closer to gamma max | 75.0% of 252 |
| Prior-year sessions closer to delta neutral | 30.2% of 252 |
| Open interest percentile (1y) | 58th |
| Daily open interest change versus prior year | -0.75σ (-71,381 contracts; 252 prior changes) |
| Open interest change, 5 sessions | +3.9% |
| Open interest change, 21 sessions | -1.1% |
| History available | Dec 1, 2020 → Oct 2, 2026 |
Recent crosses
- closed above delta neutral at 332.60 vs 327.76 (+1.5%)
- closed below delta neutral at 318.34 vs 331.02 (-4.0%)
- closed below gamma max at 379.64 vs 387.91 (-2.2%)
- closed above gamma max at 381.94 vs 375.11 (+1.8%)
- closed below gamma max at 339.40 vs 341.78 (-0.7%)
- closed above gamma max at 330.53 vs 327.83 (+0.8%)
- closed above delta neutral at 286.90 vs 284.96 (+0.7%)
- closed below delta neutral at 289.20 vs 293.16 (-1.4%)
- closed above delta neutral at 303.94 vs 302.55 (+0.5%)
- closed below delta neutral at 302.82 vs 303.94 (-0.4%)
In today's screens
Neighbours by open interest
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Canonical source: https://halfonadouble.com/stock/GOOG
Questions people ask about GOOG
Where is GOOG's gamma max today?
As of Oct 2, 2026, the gamma max for GOOG is 374.88, +10.1% from the 340.35 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 GOOG above or below its delta neutral price?
GOOG closed above delta neutral: 340.35 against a delta neutral price of 327.92. The delta neutral price is where the summed delta of the whole chain is zero; the definition.
How much open interest does GOOG have?
1,749,278 contracts of open interest across 1,624 listed contracts on Oct 2, 2026, -3.9% 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.