Contract OI history
Back to GFSNov 20, 2026 EXPIRATION
GFS $50.00 Call
GFS261120C00050000
Latest saved OI1,540Oct 23, 2026
Last change+29vs 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 | 1,540 | +29 |
| Oct 21, 2026Viewing | 1,511 | +120 |
| Oct 16, 2026 | 1,391 | +119 |
| Oct 15, 2026 | 1,272 | +611 |
| Oct 14, 2026 | 661 | 0 |
| Oct 13, 2026 | 661 | +41 |
| Oct 09, 2026 | 620 | No prior observation |