Contract OI history
Back to GISJan 15, 2027 EXPIRATION
GIS $32.50 Put
GIS270115P00032500
Latest saved OI4,753Oct 23, 2026
Last change-146vs 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 | 4,753 | -146 |
| Oct 21, 2026 | 4,899 | -30 |
| Oct 16, 2026 | 4,929 | +31 |
| Oct 15, 2026 | 4,898 | +22 |
| Oct 14, 2026 | 4,876 | +21 |
| Oct 13, 2026 | 4,855 | +106 |
| Oct 09, 2026 | 4,749 | +32 |
| Oct 08, 2026 | 4,717 | -5 |
| Oct 07, 2026 | 4,722 | 0 |
| Oct 06, 2026 | 4,722 | -2 |
| Oct 05, 2026 | 4,724 | +20 |
| Oct 02, 2026 | 4,704 | No prior observation |