Data through close

PFE gamma max, delta neutral & open interest levels

As of close · rank #41 by open interest · 1,379 sessions of history since Dec 1, 2020

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Close
27.72
prev 27.65
Gamma max
28.96
+4.5% from close
Delta neutral
26.68
-3.8% from close
Gamma neutral
26.25
-5.3% from close
Open interest
2,466,513
-1.8% vs prev
Contracts listed
488
311 calls · 260 puts

PFE closed 4.5% below its gamma max of 28.96. It is 3.8% above the delta neutral price of 26.68. Total open interest is 2,466,513, -1.8% 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 max3%
Gamma max crosses12
Delta neutral crosses35
Open interest percentile (1y)23th
Open interest change, 5 sessions-4.0%
Open interest change, 21 sessions-5.6%
History availableDec 1, 2020 → Sep 11, 2026

Recent crosses

  1. closed below gamma max at 27.82 vs 27.90 (-0.3%)
  2. closed above gamma max at 28.25 vs 28.11 (+0.5%)
  3. closed below gamma max at 26.62 vs 26.91 (-1.1%)
  4. closed above gamma max at 26.20 vs 26.13 (+0.3%)
  5. closed above delta neutral at 25.01 vs 24.98 (+0.1%)
  6. closed below delta neutral at 24.91 vs 24.98 (-0.3%)
  7. closed above delta neutral at 25.25 vs 24.96 (+1.2%)
  8. closed below gamma max at 24.55 vs 27.01 (-10.0%)
  9. closed above gamma max at 25.00 vs 25.00 (0.0%)
  10. closed below delta neutral at 25.05 vs 25.14 (-0.3%)

In today's screens

Neighbours by open interest

Questions people ask about PFE

Where is PFE's gamma max today?

As of Sep 11, 2026, the gamma max for PFE is 28.96, +4.5% from the 27.72 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 PFE above or below its delta neutral price?

PFE closed above delta neutral: 27.72 against a delta neutral price of 26.68. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does PFE have?

2,466,513 contracts of open interest across 488 listed contracts on Sep 11, 2026, -1.8% 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.