Contract OI history
Back to NBOct 23, 2026 EXPIRATION
NB $500.00 Call
NB261023C00000500
Latest saved OI522Oct 23, 2026
Last change+3vs previous saved observation
Saved market days6Oct 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, 2026 | 522 | +3 |
| Oct 21, 2026Viewing | 519 | +8 |
| Oct 16, 2026 | 511 | +1 |
| Oct 14, 2026 | 510 | +1 |
| Oct 13, 2026 | 509 | +1 |
| Oct 09, 2026 | 508 | No prior observation |