ACHR gamma max, delta neutral & open interest levels
As of close · rank #150 by open interest · 1,179 sessions of history since Sep 17, 2021
ACHR closed 21.4% below its gamma max of 6.78. It is 27.7% above the delta neutral price of 4.03. Total open interest is 716,424, -5.0% versus the previous session. What gamma max means · What delta neutral means
One-year history
Last 252 sessions
| Sessions closed above gamma max | 2% |
| Gamma max crosses | 6 |
| Delta neutral crosses | 0 |
| Open interest percentile (1y) | 20th |
| Open interest change, 5 sessions | -4.5% |
| Open interest change, 21 sessions | -11.3% |
| History available | Sep 17, 2021 → Sep 11, 2026 |
Recent crosses
- closed below gamma max at 6.29 vs 6.85 (-8.9%)
- closed above gamma max at 6.26 vs 5.93 (+5.2%)
- closed below gamma max at 8.60 vs 9.12 (-6.0%)
- closed above gamma max at 8.35 vs 8.25 (+1.2%)
- closed below gamma max at 12.48 vs 13.42 (-7.6%)
- closed above gamma max at 11.57 vs 11.13 (+3.8%)
- closed below gamma max at 11.85 vs 12.04 (-1.6%)
- closed above gamma max at 12.09 vs 11.66 (+3.5%)
- closed below gamma max at 11.39 vs 13.45 (-18.1%)
- closed above gamma max at 11.16 vs 10.26 (+8.1%)
In today's screens
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Neighbours by open interest
Questions people ask about ACHR
Where is ACHR's gamma max today?
As of Sep 11, 2026, the gamma max for ACHR is 6.78, +21.4% from the 5.58 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 ACHR above or below its delta neutral price?
ACHR closed above delta neutral: 5.58 against a delta neutral price of 4.03. The delta neutral price is where the summed delta of the whole chain is zero; the definition.
How much open interest does ACHR have?
716,424 contracts of open interest across 256 listed contracts on Sep 11, 2026, -5.0% 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.