Data through close

GIS gamma max, delta neutral & open interest levels

As of close · rank #366 by open interest · 1,379 sessions of history since Dec 1, 2020

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Close
35.85
prev 35.96
Gamma max
41.82
+16.7% from close
Delta neutral
37.65
+5.0% from close
Gamma neutral
37.08
+3.4% from close
Open interest
243,543
+0.8% vs prev
Contracts listed
273
158 calls · 137 puts

GIS closed 16.7% below its gamma max of 41.82. It is 5.0% below the delta neutral price of 37.65. Total open interest is 243,543, +0.8% versus the previous session. What gamma max means · What delta neutral means

One-year history

2025-092026-09
close delta neutral gamma max

Last 252 sessions

Sessions closed above gamma max0%
Gamma max crosses0
Delta neutral crosses24
Open interest percentile (1y)97th
Open interest change, 5 sessions+5.1%
Open interest change, 21 sessions+4.6%
History availableDec 1, 2020 → Sep 11, 2026

Recent crosses

  1. closed below delta neutral at 37.69 vs 37.95 (-0.7%)
  2. closed above delta neutral at 36.89 vs 36.58 (+0.8%)
  3. closed below delta neutral at 35.93 vs 36.14 (-0.6%)
  4. closed above delta neutral at 36.19 vs 36.14 (+0.2%)
  5. closed below delta neutral at 35.75 vs 36.09 (-1.0%)
  6. closed above delta neutral at 36.03 vs 35.93 (+0.3%)
  7. closed below delta neutral at 35.55 vs 35.92 (-1.1%)
  8. closed above delta neutral at 36.60 vs 36.11 (+1.3%)
  9. closed below delta neutral at 35.85 vs 36.27 (-1.2%)
  10. closed above delta neutral at 37.54 vs 36.23 (+3.5%)

In today's screens

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Neighbours by open interest

Questions people ask about GIS

Where is GIS's gamma max today?

As of Sep 11, 2026, the gamma max for GIS is 41.82, +16.7% from the 35.85 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 GIS above or below its delta neutral price?

GIS closed below delta neutral: 35.85 against a delta neutral price of 37.65. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does GIS have?

243,543 contracts of open interest across 273 listed contracts on Sep 11, 2026, +0.8% versus the previous session. What open interest measures.

Levels are recomputed after every trading day from end-of-day options data licensed from HistoricalOptionData.com; only derived aggregates are published. Methodology · Data and licence · Not investment advice.