Contract OI history
Back to FISNov 20, 2026 EXPIRATION
FIS $42.50 Call
FIS261120C00042500
Latest saved OI558Oct 23, 2026
Last change+70vs 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 | 558 | +70 |
| Oct 21, 2026 | 488 | +12 |
| Oct 16, 2026 | 476 | +33 |
| Oct 15, 2026 | 443 | +38 |
| Oct 14, 2026 | 405 | +3 |
| Oct 13, 2026 | 402 | +18 |
| Oct 09, 2026 | 384 | -4 |
| Oct 08, 2026 | 388 | +1 |
| Oct 07, 2026 | 387 | 0 |
| Oct 06, 2026 | 387 | +28 |
| Oct 05, 2026 | 359 | 0 |
| Oct 02, 2026 | 359 | No prior observation |