GSAT max pain, gamma exposure (GEX) & options open interest
As of close · rank #621 by open interest · 1,365 sessions of history since Jan 8, 2021
GSAT's nearest-expiration max pain is 82.50 for 2026-10-16, its GEX flip is 68.36, net GEX is 7,275,118, its put/call open-interest ratio is 0.53. 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: 25Δ risk reversal -24.5 pp · front IV premium -0.6 pp
GSAT closed 5.5% below its gamma max of 87.77. It is 9.3% above the delta neutral price of 75.46. Total open interest is 103,911, +0.0% versus the previous session. Its options catalyst-intensity score is 45.1 out of 100, led by 25Δ risk reversal -24.5 pp, front IV premium -0.6 pp. 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 | +39 contracts · +0.1% |
| Put OI change, 1 session | +12 contracts · +0.0% |
| Call minus put OI growth, 1 session | +0.0 pp |
| Call OI change, 5 sessions | +371 contracts · +0.6% |
| Put OI change, 5 sessions | -23 contracts · -0.1% |
| Call minus put OI growth, 5 sessions | +0.6 pp |
| Daily call OI change surprise | -0.01σ (252 prior changes) |
| Daily put OI change surprise | -0.03σ (252 prior changes) |
| Daily call-minus-put growth surprise | -0.07σ (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 50 completed Day +10 paths · latest Apr 17, 2026
| Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
|---|---|---|---|---|---|---|
| Day +1 | 50 | 0.0% | -2.1% to +1.9% | 48% | -1.1% to +1.4% | 0.0% |
| Day +2 | 50 | 0.0% | -4.0% to +1.9% | 46% | -2.6% to +0.7% | 0.0% |
| Day +3 | 50 | -2.1% | -5.7% to +2.1% | 42% | -4.5% to +0.7% | 0.0% |
| Day +4 | 50 | -1.7% | -7.4% to +4.7% | 42% | -5.4% to +1.6% | 0.0% |
| Day +5 | 50 | -1.2% | -8.0% to +5.4% | 42% | -5.8% to +0.7% | 0.0% |
| Day +6 | 50 | -1.7% | -8.0% to +5.9% | 40% | -4.5% to +1.1% | 0.0% |
| Day +7 | 50 | -2.3% | -6.4% to +7.6% | 42% | -5.3% to +1.6% | 0.0% |
| Day +8 | 50 | -2.1% | -6.7% to +8.9% | 38% | -4.7% to +1.8% | 0.0% |
| Day +9 | 50 | -2.4% | -9.5% to +7.5% | 42% | -5.0% to +2.4% | 0.0% |
| Day +10 | 50 | -1.4% | -6.6% to +6.5% | 44% | -4.2% to +2.1% | 0.0% |
Crosses above gamma max 40 completed Day +10 paths · latest Apr 16, 2026
| Horizon | n | Median | Middle 50% | Above zero | Nominal ≥90% median interval | Confidence floor |
|---|---|---|---|---|---|---|
| Day +1 | 40 | +0.1% | -2.7% to +3.8% | 50% | -1.0% to +2.1% | 0.0% |
| Day +2 | 40 | +0.5% | -2.5% to +5.6% | 53% | -1.9% to +2.6% | 0.0% |
| Day +3 | 40 | +0.1% | -4.4% to +7.8% | 50% | -2.5% to +4.3% | 0.0% |
| Day +4 | 40 | +0.5% | -5.7% to +8.5% | 50% | -1.7% to +4.8% | 0.0% |
| Day +5 | 40 | 0.0% | -5.9% to +8.0% | 48% | -2.4% to +3.6% | 0.0% |
| Day +6 | 40 | +1.0% | -8.8% to +7.0% | 57% | -3.4% to +4.4% | 0.0% |
| Day +7 | 40 | +0.6% | -9.9% to +7.9% | 53% | -4.7% to +3.9% | 0.0% |
| Day +8 | 40 | -4.7% | -10.8% to +8.2% | 45% | -7.0% to +3.7% | 0.0% |
| Day +9 | 40 | -3.7% | -14.5% to +8.4% | 43% | -8.7% to +2.5% | 0.0% |
| Day +10 | 40 | -4.4% | -13.1% to +7.6% | 35% | -9.4% to 0.0% | 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 | 5% |
| Gamma max crosses | 9 |
| Delta neutral crosses | 0 |
| Prior-year sessions closer to gamma max | 21.8% of 252 |
| Prior-year sessions closer to delta neutral | 30.6% of 252 |
| Open interest percentile (1y) | 86th |
| Daily open interest change versus prior year | -0.01σ (51 contracts; 252 prior changes) |
| Open interest change, 5 sessions | +0.3% |
| Open interest change, 21 sessions | +5.5% |
| History available | Jan 8, 2021 → Oct 2, 2026 |
Recent crosses
- closed below gamma max at 80.53 vs 89.55 (-11.2%)
- closed above gamma max at 80.15 vs 80.00 (+0.2%)
- closed below gamma max at 80.02 vs 86.40 (-8.0%)
- closed above gamma max at 80.03 vs 80.00 (+0.0%)
- closed below gamma max at 63.70 vs 65.66 (-3.1%)
- closed above gamma max at 68.40 vs 64.78 (+5.3%)
- closed below gamma max at 63.18 vs 64.54 (-2.2%)
- closed above gamma max at 64.38 vs 64.26 (+0.2%)
- closed below gamma max at 43.73 vs 44.73 (-2.3%)
- closed above gamma max at 40.27 vs 39.92 (+0.9%)
In today's screens
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Neighbours by open interest
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Canonical source: https://halfonadouble.com/stock/GSAT
Questions people ask about GSAT
Where is GSAT's gamma max today?
As of Oct 2, 2026, the gamma max for GSAT is 87.77, +5.5% from the 83.22 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 GSAT above or below its delta neutral price?
GSAT closed above delta neutral: 83.22 against a delta neutral price of 75.46. The delta neutral price is where the summed delta of the whole chain is zero; the definition.
How much open interest does GSAT have?
103,911 contracts of open interest across 265 listed contracts on Oct 2, 2026, +0.0% 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.