Contract OI history
Back to OUSTJan 15, 2027 EXPIRATION
OUST $33.00 Call
OUST270115C00033000
Latest saved OI62Oct 23, 2026
Last change+1vs 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 | 62 | +1 |
| Oct 21, 2026Viewing | 61 | +8 |
| Oct 16, 2026 | 53 | +14 |
| Oct 15, 2026 | 39 | +10 |
| Oct 14, 2026 | 29 | 0 |
| Oct 13, 2026 | 29 | 0 |
| Oct 09, 2026 | 29 | No prior observation |