Data through close

VLO gamma max, delta neutral & open interest levels

As of close · rank #510 by open interest · 1,379 sessions of history since Dec 1, 2020

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Close
390.42
prev 385.43
Gamma max
394.71
+1.1% from close
Delta neutral
317.34
-18.7% from close
Gamma neutral
357.31
-8.5% from close
Open interest
154,975
-5.1% vs prev
Contracts listed
1,121
663 calls · 574 puts

VLO closed 1.1% below its gamma max of 394.71. It is 18.7% above the delta neutral price of 317.34. Total open interest is 154,975, -5.1% 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 max5%
Gamma max crosses14
Delta neutral crosses0
Open interest percentile (1y)93th
Open interest change, 5 sessions+2.8%
Open interest change, 21 sessions+18.2%
History availableDec 1, 2020 → Sep 11, 2026

Recent crosses

  1. closed below gamma max at 350.05 vs 350.25 (-0.1%)
  2. closed above gamma max at 330.21 vs 329.60 (+0.2%)
  3. closed below gamma max at 310.92 vs 314.32 (-1.1%)
  4. closed above gamma max at 309.65 vs 307.20 (+0.8%)
  5. closed below gamma max at 292.66 vs 297.24 (-1.6%)
  6. closed above gamma max at 295.79 vs 292.64 (+1.1%)
  7. closed below gamma max at 281.20 vs 286.05 (-1.7%)
  8. closed above gamma max at 282.88 vs 282.61 (+0.1%)
  9. closed below gamma max at 252.58 vs 255.78 (-1.3%)
  10. closed above gamma max at 251.30 vs 249.35 (+0.8%)

In today's screens

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Neighbours by open interest

Questions people ask about VLO

Where is VLO's gamma max today?

As of Sep 11, 2026, the gamma max for VLO is 394.71, +1.1% from the 390.42 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 VLO above or below its delta neutral price?

VLO closed above delta neutral: 390.42 against a delta neutral price of 317.34. The delta neutral price is where the summed delta of the whole chain is zero; the definition.

How much open interest does VLO have?

154,975 contracts of open interest across 1,121 listed contracts on Sep 11, 2026, -5.1% 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.