Contract OI history
Back to GISJan 15, 2027 EXPIRATION
GIS $37.50 Put
GIS270115P00037500
Latest saved OI3,050Oct 23, 2026
Last change-8vs 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 | 3,050 | -8 |
| Oct 21, 2026 | 3,058 | +3 |
| Oct 16, 2026 | 3,055 | -12 |
| Oct 15, 2026 | 3,067 | +3 |
| Oct 14, 2026 | 3,064 | +8 |
| Oct 13, 2026 | 3,056 | +9 |
| Oct 09, 2026 | 3,047 | -4 |
| Oct 08, 2026 | 3,051 | +1 |
| Oct 07, 2026 | 3,050 | -4 |
| Oct 06, 2026 | 3,054 | +1 |
| Oct 05, 2026 | 3,053 | 0 |
| Oct 02, 2026 | 3,053 | No prior observation |