Contract OI history
Back to GISNov 20, 2026 EXPIRATION
GIS $30.00 Put
GIS261120P00030000
Latest saved OI2,519Oct 23, 2026
Last change+5vs 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, 2026Viewing | 2,519 | +5 |
| Oct 21, 2026 | 2,514 | +752 |
| Oct 16, 2026 | 1,762 | -131 |
| Oct 15, 2026 | 1,893 | +63 |
| Oct 14, 2026 | 1,830 | +123 |
| Oct 13, 2026 | 1,707 | +261 |
| Oct 09, 2026 | 1,446 | +45 |
| Oct 08, 2026 | 1,401 | +269 |
| Oct 07, 2026 | 1,132 | +159 |
| Oct 06, 2026 | 973 | +207 |
| Oct 05, 2026 | 766 | +183 |
| Oct 02, 2026 | 583 | No prior observation |