Contract OI history
Back to OUSTNov 20, 2026 EXPIRATION
OUST $30.00 Call
OUST261120C00030000
Latest saved OI206Oct 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 | 206 | -28 |
| Oct 21, 2026Viewing | 234 | +46 |
| Oct 16, 2026 | 188 | +82 |
| Oct 15, 2026 | 106 | +24 |
| Oct 14, 2026 | 82 | 0 |
| Oct 13, 2026 | 82 | 0 |
| Oct 09, 2026 | 82 | No prior observation |