ALAB max pain, gamma exposure (GEX) & options open interest
As of close · rank #375 by open interest · 562 sessions of history since Mar 25, 2024
ALAB's nearest-expiration max pain is 330.00 for 2026-10-09, its GEX flip is 312.29, net GEX is 3,298,854, its put/call open-interest ratio is 0.84. 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 0.15 · 7d expected move +11.0%
ALAB closed 12.6% below its gamma max of 394.41. It is 13.6% above the delta neutral price of 302.64. Total open interest is 225,421, -10.4% versus the previous session. Its options catalyst-intensity score is 54.5 out of 100, led by volume/OI 0.15, 7d expected move +11.0%. 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 | -15,698 contracts · -11.3% |
| Put OI change, 1 session | -10,536 contracts · -9.3% |
| Call minus put OI growth, 1 session | -2.0 pp |
| Call OI change, 5 sessions | -1,675 contracts · -1.3% |
| Put OI change, 5 sessions | +3,218 contracts · +3.2% |
| Call minus put OI growth, 5 sessions | -4.6 pp |
| Daily call OI change surprise | -1.63σ (252 prior changes) |
| Daily put OI change surprise | -1.21σ (252 prior changes) |
| Daily call-minus-put growth surprise | -0.80σ (252 prior changes) |
History
Hover for valuesDrag to panScroll to zoomClick a series to hide it ← → step a session+ − zoomTouch: swipe to pan, pinch to zoom, hold for the crosshair
Analysis visualizations
Derived from the 2026-10-02 options chain. Select an analysis to explore its chart.
No matching visualizations.
Gamma walls
Chart loads when this section is in view.
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 Sep 25, 2026
| Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
|---|---|---|---|---|---|---|
| Day +1 | 18 | +1.7% | -1.5% to +5.0% | 67% | -1.2% to +4.9% | 0.0% |
| Day +2 | 18 | +2.3% | -2.2% to +5.5% | 61% | -1.9% to +5.0% | 0.0% |
| Day +3 | 18 | +2.2% | -2.5% to +7.0% | 56% | -2.4% to +7.0% | 0.0% |
| Day +4 | 18 | +4.3% | -4.5% to +7.8% | 61% | -2.2% to +7.5% | 0.0% |
| Day +5 | 18 | +1.4% | -1.8% to +11.5% | 61% | -1.2% to +11.3% | 0.0% |
| Day +6 | 17 | +7.4% | +1.0% to +12.6% | 82% | +1.0% to +12.6% | +1.0% |
| Day +7 | 17 | +12.5% | +4.4% to +23.1% | 76% | +4.4% to +23.1% | +4.4% |
| Day +8 | 16 | +14.3% | +6.6% to +23.2% | 94% | +7.6% to +21.9% | +7.6% |
| Day +9 | 16 | +17.3% | +9.8% to +24.1% | 100% | +10.6% to +23.5% | +10.6% |
| Day +10 | 16 | +16.1% | +7.2% to +25.8% | 100% | +7.3% to +25.4% | +7.3% |
Crosses above gamma max 16 completed Day +10 paths · latest Sep 24, 2026
| Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
|---|---|---|---|---|---|---|
| Day +1 | 18 | -1.3% | -3.5% to +1.1% | 33% | -2.8% to +1.1% | 0.0% |
| Day +2 | 18 | +0.0% | -4.2% to +6.0% | 50% | -4.0% to +4.2% | 0.0% |
| Day +3 | 18 | +1.0% | -5.2% to +7.4% | 56% | -0.9% to +6.1% | 0.0% |
| Day +4 | 18 | +2.2% | -2.8% to +9.1% | 61% | -1.3% to +6.2% | 0.0% |
| Day +5 | 18 | +2.2% | -3.8% to +10.1% | 61% | -1.5% to +7.1% | 0.0% |
| Day +6 | 18 | +2.7% | -2.8% to +13.3% | 56% | -2.8% to +10.5% | 0.0% |
| Day +7 | 17 | +6.6% | -0.8% to +14.8% | 71% | -0.8% to +14.8% | 0.0% |
| Day +8 | 17 | +12.2% | -1.9% to +22.1% | 71% | -1.9% to +22.1% | 0.0% |
| Day +9 | 16 | +12.6% | +4.8% to +23.9% | 81% | +4.9% to +23.1% | +4.9% |
| Day +10 | 16 | +16.4% | +8.7% to +22.3% | 88% | +9.8% to +21.5% | +9.8% |
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 | 12 |
| Delta neutral crosses | 22 |
| Prior-year sessions closer to gamma max | 38.5% of 252 |
| Prior-year sessions closer to delta neutral | 69.0% of 252 |
| Open interest percentile (1y) | 33th |
| Daily open interest change versus prior year | -1.45σ (-26,234 contracts; 252 prior changes) |
| Open interest change, 5 sessions | +0.7% |
| Open interest change, 21 sessions | -3.8% |
| History available | Mar 25, 2024 → Oct 2, 2026 |
Recent crosses
- closed below gamma max at 364.62 vs 389.23 (-6.7%)
- closed above gamma max at 360.51 vs 356.76 (+1.0%)
- closed below gamma max at 360.46 vs 360.93 (-0.1%)
- closed above gamma max at 363.46 vs 355.37 (+2.2%)
- closed above delta neutral at 269.18 vs 260.93 (+3.1%)
- closed below delta neutral at 252.54 vs 255.30 (-1.1%)
- closed below gamma max at 430.22 vs 488.53 (-13.6%)
- closed above gamma max at 483.02 vs 475.85 (+1.5%)
- closed below gamma max at 342.85 vs 363.26 (-6.0%)
- closed above gamma max at 349.17 vs 343.40 (+1.7%)
In today's screens
Neighbours by open interest
Cite or embed this snapshot
Share the dated 1600×840 image or cite this canonical page. The card contains public derived aggregates, not contract-level quotes.
Canonical source: https://halfonadouble.com/stock/ALAB
Questions people ask about ALAB
Where is ALAB's gamma max today?
As of Oct 2, 2026, the gamma max for ALAB is 394.41, +12.6% from the 350.33 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 ALAB above or below its delta neutral price?
ALAB closed above delta neutral: 350.33 against a delta neutral price of 302.64. The delta neutral price is where the summed delta of the whole chain is zero; the definition.
How much open interest does ALAB have?
225,421 contracts of open interest across 1,642 listed contracts on Oct 2, 2026, -10.4% 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.