Contract OI history
Back to STMOct 23, 2026 EXPIRATION
STM $50.00 Call
STM261023C00050000
Latest saved OI8,201Oct 23, 2026
Last change-220vs previous saved observation
Saved market days12Oct 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 | 8,201 | -220 |
| Oct 21, 2026Viewing | 8,421 | +401 |
| Oct 16, 2026 | 8,020 | +176 |
| Oct 15, 2026 | 7,844 | +7,718 |
| Oct 14, 2026 | 126 | 0 |
| Oct 13, 2026 | 126 | +113 |
| Oct 09, 2026 | 13 | +12 |
| Oct 08, 2026 | 1 | 0 |
| Oct 07, 2026 | 1 | 0 |
| Oct 06, 2026 | 1 | 0 |
| Oct 05, 2026 | 1 | 0 |
| Oct 02, 2026 | 1 | No prior observation |