Data through close

SIL gamma max, delta neutral & open interest levels

As of close · rank #562 by open interest · 1,379 sessions of history since Dec 1, 2020

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Close
96.36
prev 96.20
Gamma max
107.25
+11.3% from close
Delta neutral
78.49
-18.5% from close
Gamma neutral
96.36
0.0% from close
Open interest
132,521
+1.7% vs prev
Contracts listed
629
347 calls · 298 puts

SIL closed 11.3% below its gamma max of 107.25. It is 18.5% above the delta neutral price of 78.49. Total open interest is 132,521, +1.7% 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 max28%
Gamma max crosses31
Delta neutral crosses2
Open interest percentile (1y)50th
Open interest change, 5 sessions+4.9%
Open interest change, 21 sessions+17.6%
History availableDec 1, 2020 → Sep 11, 2026

Recent crosses

  1. closed below gamma max at 100.63 vs 104.04 (-3.4%)
  2. closed above gamma max at 102.80 vs 102.49 (+0.3%)
  3. closed below gamma max at 91.31 vs 91.88 (-0.6%)
  4. closed above gamma max at 90.80 vs 87.97 (+3.1%)
  5. closed below gamma max at 90.28 vs 90.80 (-0.6%)
  6. closed above gamma max at 88.50 vs 87.85 (+0.7%)
  7. closed above delta neutral at 71.74 vs 66.07 (+7.9%)
  8. closed below delta neutral at 71.91 vs 72.17 (-0.4%)
  9. closed below gamma max at 101.23 vs 106.04 (-4.8%)
  10. closed above gamma max at 107.75 vs 91.71 (+14.9%)

In today's screens

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Neighbours by open interest

Questions people ask about SIL

Where is SIL's gamma max today?

As of Sep 11, 2026, the gamma max for SIL is 107.25, +11.3% from the 96.36 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 SIL above or below its delta neutral price?

SIL closed above delta neutral: 96.36 against a delta neutral price of 78.49. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does SIL have?

132,521 contracts of open interest across 629 listed contracts on Sep 11, 2026, +1.7% 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.