Contract OI history
Back to UPSTDec 18, 2026 EXPIRATION
UPST $40.00 Call
UPST261218C00040000
Latest saved OI1,843Oct 23, 2026
Last change-7vs 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 | 1,843 | -7 |
| Oct 21, 2026Viewing | 1,850 | +4 |
| Oct 16, 2026 | 1,846 | -1 |
| Oct 15, 2026 | 1,847 | -11 |
| Oct 14, 2026 | 1,858 | 0 |
| Oct 13, 2026 | 1,858 | +9 |
| Oct 09, 2026 | 1,849 | No prior observation |