Contract OI history
Back to USBNov 20, 2026 EXPIRATION
USB $57.50 Put
USB261120P00057500
Latest saved OI1,031Oct 23, 2026
Last change+8vs previous saved observation
Saved market days11Oct 02, 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 | 1,031 | +8 |
| Oct 21, 2026Viewing | 1,023 | +135 |
| Oct 16, 2026 | 888 | -2 |
| Oct 15, 2026 | 890 | -3 |
| Oct 14, 2026 | 893 | +73 |
| Oct 09, 2026 | 820 | +4 |
| Oct 08, 2026 | 816 | -1 |
| Oct 07, 2026 | 817 | +158 |
| Oct 06, 2026 | 659 | +38 |
| Oct 05, 2026 | 621 | +54 |
| Oct 02, 2026 | 567 | No prior observation |