Contract OI history
Back to GFSJan 21, 2028 EXPIRATION
GFS $50.00 Call
GFS280121C00050000
Latest saved OI234Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 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, 2026 | 234 | +2 |
| Oct 21, 2026Viewing | 232 | -21 |
| Oct 16, 2026 | 253 | +14 |
| Oct 15, 2026 | 239 | -1 |
| Oct 14, 2026 | 240 | 0 |
| Oct 13, 2026 | 240 | -3 |
| Oct 09, 2026 | 243 | No prior observation |