Contract OI history
Back to GFIDec 18, 2026 EXPIRATION
GFI $35.00 Put
GFI261218P00035000
Latest saved OI573Oct 20, 2026
Last change+573vs previous saved observation
Saved market days2Oct 16, 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 20, 2026Viewing | 573 | +573 |
| Oct 16, 2026 | 0 | No prior observation |