Contract OI history
Back to OUSTNov 06, 2026 EXPIRATION
OUST $33.00 Call
OUST261106C00033000
Latest saved OI33Oct 23, 2026
Last change+28vs 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, 2026 | 33 | +28 |
| Oct 21, 2026Viewing | 5 | +2 |
| Oct 16, 2026 | 3 | +2 |
| Oct 15, 2026 | 1 | +1 |
| Oct 14, 2026 | 0 | 0 |
| Oct 13, 2026 | 0 | 0 |
| Oct 09, 2026 | 0 | No prior observation |