OPEN gamma max, delta neutral & open interest levels
As of close · rank #121 by open interest · 1,365 sessions of history since Dec 21, 2020
OPEN closed 29.7% below its gamma max of 3.62. It is 37.3% above the delta neutral price of 1.75. Total open interest is 895,962, -2.4% versus the previous session. What gamma max means · What delta neutral means
One-year history
Last 252 sessions
| Sessions closed above gamma max | 7% |
| Gamma max crosses | 27 |
| Delta neutral crosses | 4 |
| Open interest percentile (1y) | 55th |
| Open interest change, 5 sessions | +0.6% |
| Open interest change, 21 sessions | -10.2% |
| History available | Dec 21, 2020 → Sep 11, 2026 |
Recent crosses
- closed below gamma max at 5.04 vs 5.35 (-6.2%)
- closed above gamma max at 5.07 vs 5.04 (+0.6%)
- closed below gamma max at 5.29 vs 5.56 (-5.1%)
- closed above gamma max at 5.27 vs 5.07 (+3.8%)
- closed below gamma max at 4.97 vs 5.75 (-15.8%)
- closed above gamma max at 5.18 vs 0.50 (+90.3%)
- closed below gamma max at 4.63 vs 6.24 (-34.8%)
- closed above gamma max at 4.33 vs 0.49 (+88.7%)
- closed below gamma max at 6.12 vs 6.83 (-11.7%)
- closed above gamma max at 6.93 vs 6.72 (+3.0%)
In today's screens
Not in any screen today. See all screens.
Neighbours by open interest
Questions people ask about OPEN
Where is OPEN's gamma max today?
As of Sep 11, 2026, the gamma max for OPEN is 3.62, +29.7% from the 2.79 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 OPEN above or below its delta neutral price?
OPEN closed above delta neutral: 2.79 against a delta neutral price of 1.75. The delta neutral price is where the summed delta of the whole chain is zero; the definition.
How much open interest does OPEN have?
895,962 contracts of open interest across 286 listed contracts on Sep 11, 2026, -2.4% 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.