Contract OI history
Back to UPSTOct 30, 2026 EXPIRATION
UPST $26.50 Put
UPST261030P00026500
Latest saved OI175Oct 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, 2026Viewing | 175 | -2 |
| Oct 21, 2026 | 177 | -52 |
| Oct 16, 2026 | 229 | +23 |
| Oct 15, 2026 | 206 | +112 |
| Oct 14, 2026 | 94 | 0 |
| Oct 13, 2026 | 94 | +94 |
| Oct 09, 2026 | 0 | No prior observation |