XBI gamma max, delta neutral & open interest levels
As of close · rank #175 by open interest · 1,379 sessions of history since Dec 1, 2020
XBI closed 11.7% below its gamma max of 174.49. It is 3.3% above the delta neutral price of 151.06. Total open interest is 631,745, -3.6% versus the previous session. What gamma max means · What delta neutral means
One-year history
Last 252 sessions
| Sessions closed above gamma max | 0% |
| Gamma max crosses | 2 |
| Delta neutral crosses | 6 |
| Open interest percentile (1y) | 36th |
| Open interest change, 5 sessions | +1.6% |
| Open interest change, 21 sessions | +3.0% |
| History available | Dec 1, 2020 → Sep 11, 2026 |
Recent crosses
- closed below gamma max at 163.41 vs 168.65 (-3.2%)
- closed above gamma max at 169.55 vs 169.18 (+0.2%)
- closed above delta neutral at 127.74 vs 123.15 (+3.6%)
- closed below delta neutral at 119.59 vs 121.64 (-1.7%)
- closed above delta neutral at 123.92 vs 121.25 (+2.2%)
- closed below delta neutral at 119.54 vs 120.92 (-1.2%)
- closed above delta neutral at 122.33 vs 121.63 (+0.6%)
- closed below delta neutral at 121.11 vs 121.65 (-0.4%)
- closed above delta neutral at 86.92 vs 86.35 (+0.7%)
- closed below delta neutral at 86.44 vs 87.47 (-1.2%)
In today's screens
Not in any screen today. See all screens.
Neighbours by open interest
Questions people ask about XBI
Where is XBI's gamma max today?
As of Sep 11, 2026, the gamma max for XBI is 174.49, +11.7% from the 156.20 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 XBI above or below its delta neutral price?
XBI closed above delta neutral: 156.20 against a delta neutral price of 151.06. The delta neutral price is where the summed delta of the whole chain is zero; the definition.
How much open interest does XBI have?
631,745 contracts of open interest across 1,289 listed contracts on Sep 11, 2026, -3.6% 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.