RBLX max pain, gamma exposure (GEX) & options open interest
As of close · rank #269 by open interest · 1,322 sessions of history since Mar 17, 2021
RBLX's nearest-expiration max pain is 43.50 for 2026-10-09, its GEX flip is 43.18, net GEX is 941,983, its put/call open-interest ratio is 0.65. 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.
RBLX closed 36.9% below its gamma max of 60.41. It is 3.7% below the delta neutral price of 45.76. Total open interest is 361,334, -5.5% versus the previous session. Its options catalyst-intensity score is 38.6 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 | -14,243 contracts · -6.1% |
| Put OI change, 1 session | -6,749 contracts · -4.5% |
| Call minus put OI growth, 1 session | -1.6 pp |
| Call OI change, 5 sessions | +7,009 contracts · +3.3% |
| Put OI change, 5 sessions | +4,978 contracts · +3.6% |
| Call minus put OI growth, 5 sessions | -0.3 pp |
| Daily call OI change surprise | -0.81σ (252 prior changes) |
| Daily put OI change surprise | -0.60σ (252 prior changes) |
| Daily call-minus-put growth surprise | -0.61σ (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 24 completed Day +10 paths · latest Sep 22, 2026
| Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
|---|---|---|---|---|---|---|
| Day +1 | 25 | -0.8% | -1.8% to +1.3% | 48% | -1.5% to +1.2% | 0.0% |
| Day +2 | 25 | +1.4% | -4.5% to +2.6% | 60% | -3.7% to +2.2% | 0.0% |
| Day +3 | 25 | -0.2% | -4.8% to +4.7% | 48% | -4.4% to +4.3% | 0.0% |
| Day +4 | 25 | +1.3% | -4.6% to +4.3% | 56% | -2.9% to +3.9% | 0.0% |
| Day +5 | 25 | +0.2% | -3.3% to +4.7% | 56% | -3.0% to +4.5% | 0.0% |
| Day +6 | 25 | +1.1% | -6.6% to +7.2% | 52% | -5.0% to +7.2% | 0.0% |
| Day +7 | 25 | +0.4% | -5.2% to +8.9% | 52% | -4.7% to +6.7% | 0.0% |
| Day +8 | 25 | +0.3% | -7.3% to +10.4% | 52% | -6.7% to +8.0% | 0.0% |
| Day +9 | 24 | +1.9% | -2.7% to +10.1% | 67% | -1.3% to +5.6% | 0.0% |
| Day +10 | 24 | +3.5% | -5.4% to +10.4% | 67% | -2.1% to +8.6% | 0.0% |
Crosses above gamma max 23 completed Day +10 paths · latest Sep 21, 2026
| Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
|---|---|---|---|---|---|---|
| Day +1 | 24 | +1.4% | -1.0% to +3.2% | 63% | -0.9% to +3.1% | 0.0% |
| Day +2 | 24 | +0.3% | -3.0% to +3.5% | 54% | -2.4% to +2.8% | 0.0% |
| Day +3 | 24 | +0.7% | -4.7% to +4.5% | 54% | -4.5% to +3.7% | 0.0% |
| Day +4 | 24 | +1.3% | -5.2% to +5.3% | 54% | -5.0% to +5.1% | 0.0% |
| Day +5 | 24 | +0.4% | -2.8% to +6.1% | 50% | -1.1% to +6.1% | 0.0% |
| Day +6 | 24 | +1.1% | -3.2% to +5.7% | 54% | -2.8% to +4.4% | 0.0% |
| Day +7 | 24 | +2.5% | -5.0% to +5.9% | 54% | -4.5% to +5.6% | 0.0% |
| Day +8 | 24 | +2.8% | -5.1% to +8.6% | 63% | -4.3% to +7.2% | 0.0% |
| Day +9 | 24 | +0.5% | -5.8% to +9.1% | 50% | -1.6% to +8.7% | 0.0% |
| Day +10 | 23 | +2.1% | -4.6% to +9.0% | 57% | -1.9% to +6.2% | 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 | 1% |
| Gamma max crosses | 6 |
| Delta neutral crosses | 29 |
| Prior-year sessions closer to gamma max | 83.3% of 252 |
| Prior-year sessions closer to delta neutral | 35.3% of 252 |
| Open interest percentile (1y) | 8th |
| Daily open interest change versus prior year | -0.75σ (-20,992 contracts; 252 prior changes) |
| Open interest change, 5 sessions | +3.4% |
| Open interest change, 21 sessions | -14.6% |
| History available | Mar 17, 2021 → Oct 2, 2026 |
Recent crosses
- closed below delta neutral at 41.86 vs 44.85 (-7.1%)
- closed below gamma max at 49.87 vs 51.11 (-2.5%)
- closed above gamma max at 51.25 vs 50.15 (+2.1%)
- closed below gamma max at 50.24 vs 50.96 (-1.4%)
- closed above gamma max at 51.29 vs 50.22 (+2.1%)
- closed above delta neutral at 43.31 vs 42.53 (+1.8%)
- closed below delta neutral at 48.67 vs 49.52 (-1.7%)
- closed above delta neutral at 49.50 vs 49.28 (+0.4%)
- closed below delta neutral at 47.55 vs 48.97 (-3.0%)
- closed below gamma max at 55.41 vs 61.90 (-11.7%)
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Neighbours by open interest
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Canonical source: https://halfonadouble.com/stock/RBLX
Questions people ask about RBLX
Where is RBLX's gamma max today?
As of Oct 2, 2026, the gamma max for RBLX is 60.41, +36.9% from the 44.12 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 RBLX above or below its delta neutral price?
RBLX closed below delta neutral: 44.12 against a delta neutral price of 45.76. The delta neutral price is where the summed delta of the whole chain is zero; the definition.
How much open interest does RBLX have?
361,334 contracts of open interest across 667 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.