Data through close

IWM gamma max, delta neutral & open interest levels

As of close · rank #7 by open interest · 1,379 sessions of history since Dec 1, 2020

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Close
288.87
prev 287.76
Gamma max
313.80
+8.6% from close
Delta neutral
297.05
+2.8% from close
Gamma neutral
300.06
+3.9% from close
Open interest
10,485,641
-0.6% vs prev
Contracts listed
3,250
1,856 calls · 1,770 puts

IWM closed 8.6% below its gamma max of 313.80. It is 2.8% below the delta neutral price of 297.05. Total open interest is 10,485,641, -0.6% 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 crosses41
Open interest percentile (1y)68th
Open interest change, 5 sessions+0.1%
Open interest change, 21 sessions+6.0%
History availableDec 1, 2020 → Sep 11, 2026

Recent crosses

  1. closed below delta neutral at 297.70 vs 299.69 (-0.7%)
  2. closed above delta neutral at 296.22 vs 296.12 (+0.0%)
  3. closed below delta neutral at 293.77 vs 294.63 (-0.3%)
  4. closed above delta neutral at 296.54 vs 295.67 (+0.3%)
  5. closed below delta neutral at 294.10 vs 295.34 (-0.4%)
  6. closed above delta neutral at 294.45 vs 293.53 (+0.3%)
  7. closed below delta neutral at 293.44 vs 294.27 (-0.3%)
  8. closed above delta neutral at 297.27 vs 294.41 (+1.0%)
  9. closed below delta neutral at 293.53 vs 294.92 (-0.5%)
  10. closed above delta neutral at 295.60 vs 291.27 (+1.5%)

In today's screens

Neighbours by open interest

Questions people ask about IWM

Where is IWM's gamma max today?

As of Sep 11, 2026, the gamma max for IWM is 313.80, +8.6% from the 288.87 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 IWM above or below its delta neutral price?

IWM closed below delta neutral: 288.87 against a delta neutral price of 297.05. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does IWM have?

10,485,641 contracts of open interest across 3,250 listed contracts on Sep 11, 2026, -0.6% 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.