Contract OI history
Back to STXDec 18, 2026 EXPIRATION
STX $570.00 Put
STX261218P00570000
Latest saved OI157Oct 23, 2026
Last change+31vs 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 | 157 | +31 |
| Oct 21, 2026 | 126 | +10 |
| Oct 16, 2026 | 116 | +10 |
| Oct 15, 2026 | 106 | +22 |
| Oct 14, 2026 | 84 | 0 |
| Oct 13, 2026 | 84 | +1 |
| Oct 09, 2026 | 83 | No prior observation |