Contract OI history
Back to OUSTJan 19, 2029 EXPIRATION
OUST $30.00 Call
OUST290119C00030000
Latest saved OI142Oct 23, 2026
Last change+2vs 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 | 142 | +2 |
| Oct 21, 2026Viewing | 140 | +101 |
| Oct 16, 2026 | 39 | +2 |
| Oct 15, 2026 | 37 | -5 |
| Oct 14, 2026 | 42 | 0 |
| Oct 13, 2026 | 42 | +1 |
| Oct 09, 2026 | 41 | No prior observation |