Contract OI history
Back to NBISMay 21, 2027 EXPIRATION
NBIS $250.00 Call
NBIS270521C00250000
Latest saved OI4,439Oct 23, 2026
Last change+9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.
| Market date | Open interest | Change vs prior saved day |
|---|---|---|
| Oct 23, 2026Viewing | 4,439 | +9 |
| Oct 21, 2026 | 4,430 | +2,596 |
| Oct 16, 2026 | 1,834 | +1,766 |
| Oct 15, 2026 | 68 | +15 |
| Oct 14, 2026 | 53 | 0 |
| Oct 13, 2026 | 53 | +2 |
| Oct 09, 2026 | 51 | No prior observation |