Contract OI history
Back to GISJan 21, 2028 EXPIRATION
GIS $30.00 Call
GIS280121C00030000
Latest saved OI1,394Oct 23, 2026
Last change+86vs 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 | 1,394 | +86 |
| Oct 21, 2026 | 1,308 | +9 |
| Oct 16, 2026 | 1,299 | 0 |
| Oct 15, 2026 | 1,299 | 0 |
| Oct 14, 2026 | 1,299 | 0 |
| Oct 13, 2026 | 1,299 | -16 |
| Oct 09, 2026 | 1,315 | 0 |
| Oct 08, 2026 | 1,315 | 0 |
| Oct 07, 2026 | 1,315 | +88 |
| Oct 06, 2026 | 1,227 | +30 |
| Oct 05, 2026 | 1,197 | -6 |
| Oct 02, 2026 | 1,203 | No prior observation |