MDB max pain, gamma exposure (GEX) & options open interest
As of close · rank #324 by open interest · 1,394 sessions of history since Dec 1, 2020
MDB's nearest-expiration max pain is 350.00 for 2026-10-09, its GEX flip is 310.53, net GEX is 5,142,134, 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: front IV premium 2.0 pp · IV rank 100 · volume/OI 0.10
MDB closed 16.7% below its gamma max of 417.56. It is 16.1% above the delta neutral price of 300.22. Total open interest is 273,354, -16.4% versus the previous session. Its options catalyst-intensity score is 64.2 out of 100, led by front IV premium 2.0 pp, IV rank 100, volume/OI 0.10. 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 | -34,292 contracts · -17.1% |
| Put OI change, 1 session | -19,367 contracts · -15.4% |
| Call minus put OI growth, 1 session | -1.7 pp |
| Call OI change, 5 sessions | +35,290 contracts · +26.9% |
| Put OI change, 5 sessions | +29,301 contracts · +37.8% |
| Call minus put OI growth, 5 sessions | -11.0 pp |
| Daily call OI change surprise | -3.99σ (252 prior changes) |
| Daily put OI change surprise | -2.36σ (252 prior changes) |
| Daily call-minus-put growth surprise | -0.50σ (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 13 completed Day +10 paths · latest Aug 14, 2026
| Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
|---|---|---|---|---|---|---|
| Day +1 | 13 | -0.2% | -2.4% to +1.7% | 46% | -2.4% to +1.7% | 0.0% |
| Day +2 | 13 | -0.8% | -3.0% to +5.1% | 46% | -3.0% to +5.1% | 0.0% |
| Day +3 | 13 | +0.8% | -0.2% to +4.3% | 62% | -0.2% to +4.3% | 0.0% |
| Day +4 | 13 | +1.2% | -1.0% to +8.9% | 62% | -1.0% to +8.9% | 0.0% |
| Day +5 | 13 | +3.2% | -1.7% to +5.3% | 62% | -1.7% to +5.3% | 0.0% |
| Day +6 | 13 | +3.6% | -1.2% to +12.6% | 69% | -1.2% to +12.6% | 0.0% |
| Day +7 | 13 | +4.1% | -3.1% to +10.6% | 62% | -3.1% to +10.6% | 0.0% |
| Day +8 | 13 | +2.5% | -4.7% to +10.3% | 62% | -4.7% to +10.3% | 0.0% |
| Day +9 | 13 | +3.4% | -4.3% to +6.8% | 54% | -4.3% to +6.8% | 0.0% |
| Day +10 | 13 | -0.2% | -3.4% to +7.0% | 46% | -3.4% to +7.0% | 0.0% |
Crosses above gamma max 11 completed Day +10 paths · latest Aug 13, 2026
| Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
|---|---|---|---|---|---|---|
| Day +1 | 11 | -0.2% | -1.3% to +4.2% | 45% | -1.4% to +4.5% | 0.0% |
| Day +2 | 11 | +2.8% | -3.3% to +5.7% | 73% | -7.1% to +6.6% | 0.0% |
| Day +3 | 11 | +5.1% | -2.6% to +6.9% | 73% | -5.8% to +7.6% | 0.0% |
| Day +4 | 11 | +4.1% | -3.6% to +7.4% | 64% | -6.7% to +8.7% | 0.0% |
| Day +5 | 11 | +7.9% | -5.1% to +11.2% | 64% | -10.2% to +12.9% | 0.0% |
| Day +6 | 11 | +6.6% | -5.7% to +9.9% | 64% | -8.8% to +10.0% | 0.0% |
| Day +7 | 11 | +9.0% | -7.0% to +14.6% | 64% | -11.6% to +16.3% | 0.0% |
| Day +8 | 11 | +10.4% | -4.5% to +16.0% | 64% | -6.9% to +17.0% | 0.0% |
| Day +9 | 11 | +6.9% | -4.4% to +15.4% | 64% | -5.0% to +15.5% | 0.0% |
| Day +10 | 11 | +8.0% | -6.4% to +17.9% | 64% | -6.7% to +18.6% | 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 | 8 |
| Delta neutral crosses | 12 |
| Prior-year sessions closer to gamma max | 68.7% of 252 |
| Prior-year sessions closer to delta neutral | 66.3% of 252 |
| Open interest percentile (1y) | 98th |
| Daily open interest change versus prior year | -3.34σ (-53,659 contracts; 252 prior changes) |
| Open interest change, 5 sessions | +30.9% |
| Open interest change, 21 sessions | +12.3% |
| History available | Dec 1, 2020 → Oct 2, 2026 |
Recent crosses
- closed below gamma max at 460.33 vs 473.28 (-2.8%)
- closed above gamma max at 472.29 vs 459.52 (+2.7%)
- closed below gamma max at 416.67 vs 417.00 (-0.1%)
- closed above gamma max at 398.80 vs 388.89 (+2.5%)
- closed below gamma max at 398.25 vs 411.63 (-3.4%)
- closed above gamma max at 403.88 vs 384.72 (+4.7%)
- closed above delta neutral at 244.06 vs 241.60 (+1.0%)
- closed below delta neutral at 229.49 vs 241.72 (-5.3%)
- closed above delta neutral at 249.36 vs 246.05 (+1.3%)
- closed below delta neutral at 253.76 vs 255.18 (-0.6%)
In today's screens
Neighbours by open interest
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Canonical source: https://halfonadouble.com/stock/MDB
Questions people ask about MDB
Where is MDB's gamma max today?
As of Oct 2, 2026, the gamma max for MDB is 417.56, +16.7% from the 357.96 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 MDB above or below its delta neutral price?
MDB closed above delta neutral: 357.96 against a delta neutral price of 300.22. The delta neutral price is where the summed delta of the whole chain is zero; the definition.
How much open interest does MDB have?
273,354 contracts of open interest across 2,011 listed contracts on Oct 2, 2026, -16.4% 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.