Contract OI history
Back to UPSTDec 15, 2028 EXPIRATION
UPST $22.50 Put
UPST281215P00022500
Latest saved OI96Oct 23, 2026
Last change+44vs 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, 2026Viewing | 96 | +44 |
| Oct 21, 2026 | 52 | 0 |
| Oct 16, 2026 | 52 | +44 |
| Oct 15, 2026 | 8 | 0 |
| Oct 14, 2026 | 8 | 0 |
| Oct 13, 2026 | 8 | 0 |
| Oct 09, 2026 | 8 | No prior observation |