Contract OI history
Back to OUSTNov 13, 2026 EXPIRATION
OUST $37.00 Put
OUST261113P00037000
Latest saved OI12Oct 23, 2026
Last change-4vs 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 | 12 | -4 |
| Oct 21, 2026Viewing | 16 | +6 |
| Oct 16, 2026 | 10 | 0 |
| Oct 15, 2026 | 10 | 0 |
| Oct 14, 2026 | 10 | 0 |
| Oct 13, 2026 | 10 | +6 |
| Oct 09, 2026 | 4 | No prior observation |