Data through close

S gamma max, delta neutral & open interest levels

As of close · rank #322 by open interest · 1,227 sessions of history since Jul 12, 2021

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Close
19.75
prev 19.81
Gamma max
21.18
+7.3% from close
Delta neutral
14.60
-26.1% from close
Gamma neutral
2.32
-88.2% from close
Open interest
298,409
-1.9% vs prev
Contracts listed
404
224 calls · 182 puts

S closed 7.3% below its gamma max of 21.18. It is 26.1% above the delta neutral price of 14.60. Total open interest is 298,409, -1.9% 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 max14%
Gamma max crosses30
Delta neutral crosses0
Open interest percentile (1y)70th
Open interest change, 5 sessions-6.8%
Open interest change, 21 sessions+7.9%
History availableJul 12, 2021 → Sep 11, 2026

Recent crosses

  1. closed below gamma max at 22.10 vs 22.19 (-0.4%)
  2. closed above gamma max at 22.71 vs 20.84 (+8.2%)
  3. closed below gamma max at 20.31 vs 20.37 (-0.3%)
  4. closed above gamma max at 23.84 vs 23.04 (+3.4%)
  5. closed below gamma max at 22.30 vs 22.54 (-1.1%)
  6. closed above gamma max at 21.40 vs 19.77 (+7.6%)
  7. closed below gamma max at 20.76 vs 21.01 (-1.2%)
  8. closed above gamma max at 18.40 vs 18.18 (+1.2%)
  9. closed below gamma max at 19.46 vs 20.19 (-3.8%)
  10. closed above gamma max at 19.57 vs 18.37 (+6.1%)

In today's screens

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Neighbours by open interest

Questions people ask about S

Where is S's gamma max today?

As of Sep 11, 2026, the gamma max for S is 21.18, +7.3% from the 19.75 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 S above or below its delta neutral price?

S closed above delta neutral: 19.75 against a delta neutral price of 14.60. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does S have?

298,409 contracts of open interest across 404 listed contracts on Sep 11, 2026, -1.9% 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.