Data through close

GEO gamma max, delta neutral & open interest levels

As of close · rank #403 by open interest · 1,379 sessions of history since Dec 1, 2020

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Close
31.49
prev 31.38
Gamma max
31.61
+0.4% from close
Delta neutral
20.61
-34.5% from close
Gamma neutral
11.31
-64.1% from close
Open interest
217,639
+0.1% vs prev
Contracts listed
306
178 calls · 154 puts

GEO closed 0.4% below its gamma max of 31.61. It is 34.5% above the delta neutral price of 20.61. Total open interest is 217,639, +0.1% 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 max24%
Gamma max crosses14
Delta neutral crosses8
Open interest percentile (1y)61th
Open interest change, 5 sessions+2.8%
Open interest change, 21 sessions+4.0%
History availableDec 1, 2020 → Sep 11, 2026

Recent crosses

  1. closed below gamma max at 32.28 vs 32.29 (-0.0%)
  2. closed above gamma max at 32.71 vs 32.40 (+0.9%)
  3. closed below gamma max at 30.14 vs 31.44 (-4.3%)
  4. closed above gamma max at 29.46 vs 26.48 (+10.1%)
  5. closed below gamma max at 29.62 vs 29.78 (-0.5%)
  6. closed above gamma max at 29.82 vs 29.12 (+2.3%)
  7. closed below gamma max at 29.78 vs 30.11 (-1.1%)
  8. closed above gamma max at 30.06 vs 29.71 (+1.2%)
  9. closed below gamma max at 29.03 vs 29.29 (-0.9%)
  10. closed above gamma max at 29.28 vs 27.59 (+5.8%)

In today's screens

Neighbours by open interest

Questions people ask about GEO

Where is GEO's gamma max today?

As of Sep 11, 2026, the gamma max for GEO is 31.61, +0.4% from the 31.49 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 GEO above or below its delta neutral price?

GEO closed above delta neutral: 31.49 against a delta neutral price of 20.61. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does GEO have?

217,639 contracts of open interest across 306 listed contracts on Sep 11, 2026, +0.1% 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.