Contract OI history
Back to PFEJan 21, 2028 EXPIRATION
PFE $37.00 Call
PFE280121C00037000
Latest saved OI3,014Oct 23, 2026
Last change+118vs 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 | 3,014 | +118 |
| Oct 21, 2026 | 2,896 | -18 |
| Oct 16, 2026 | 2,914 | -4 |
| Oct 15, 2026 | 2,918 | +202 |
| Oct 14, 2026 | 2,716 | 0 |
| Oct 13, 2026 | 2,716 | 0 |
| Oct 09, 2026 | 2,716 | +45 |
| Oct 08, 2026 | 2,671 | 0 |
| Oct 07, 2026 | 2,671 | +29 |
| Oct 06, 2026 | 2,642 | +5 |
| Oct 05, 2026 | 2,637 | +224 |
| Oct 02, 2026 | 2,413 | No prior observation |