Data through close

IAU gamma max, delta neutral & open interest levels

As of close · rank #364 by open interest · 1,378 sessions of history since Dec 1, 2020

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Close
81.71
prev 81.27
Gamma max
88.25
+8.0% from close
Delta neutral
72.11
-11.7% from close
Gamma neutral
81.71
0.0% from close
Open interest
244,138
-2.4% vs prev
Contracts listed
1,104
686 calls · 418 puts

IAU closed 8.0% below its gamma max of 88.25. It is 11.7% above the delta neutral price of 72.11. Total open interest is 244,138, -2.4% 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 max16%
Gamma max crosses26
Delta neutral crosses0
Open interest percentile (1y)100th
Open interest change, 5 sessions+3.7%
Open interest change, 21 sessions+36.4%
History availableDec 1, 2020 → Sep 11, 2026

Recent crosses

  1. closed below gamma max at 86.37 vs 87.18 (-0.9%)
  2. closed above gamma max at 86.79 vs 86.65 (+0.2%)
  3. closed below gamma max at 81.68 vs 82.67 (-1.2%)
  4. closed above gamma max at 79.87 vs 78.93 (+1.2%)
  5. closed below gamma max at 97.20 vs 98.76 (-1.6%)
  6. closed above gamma max at 98.57 vs 98.22 (+0.4%)
  7. closed below gamma max at 91.20 vs 91.82 (-0.7%)
  8. closed above gamma max at 84.89 vs 84.54 (+0.4%)
  9. closed below gamma max at 83.82 vs 84.37 (-0.7%)
  10. closed above gamma max at 84.62 vs 84.39 (+0.3%)

In today's screens

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Neighbours by open interest

Questions people ask about IAU

Where is IAU's gamma max today?

As of Sep 11, 2026, the gamma max for IAU is 88.25, +8.0% from the 81.71 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 IAU above or below its delta neutral price?

IAU closed above delta neutral: 81.71 against a delta neutral price of 72.11. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does IAU have?

244,138 contracts of open interest across 1,104 listed contracts on Sep 11, 2026, -2.4% 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.