Contract OI history
Back to PFEMar 19, 2027 EXPIRATION
PFE $26.00 Call
PFE270319C00026000
Latest saved OI1,634Oct 23, 2026
Last change-9vs 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 | 1,634 | -9 |
| Oct 21, 2026 | 1,643 | -16 |
| Oct 16, 2026 | 1,659 | -2 |
| Oct 15, 2026 | 1,661 | -27 |
| Oct 14, 2026 | 1,688 | 0 |
| Oct 13, 2026 | 1,688 | -126 |
| Oct 09, 2026 | 1,814 | +400 |
| Oct 08, 2026 | 1,414 | 0 |
| Oct 07, 2026 | 1,414 | +2 |
| Oct 06, 2026 | 1,412 | +20 |
| Oct 05, 2026 | 1,392 | +14 |
| Oct 02, 2026 | 1,378 | No prior observation |