Contract OI history
Back to PFEJan 21, 2028 EXPIRATION
PFE $25.00 Call
PFE280121C00025000
Latest saved OI16,609Oct 23, 2026
Last change-153vs 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 | 16,609 | -153 |
| Oct 21, 2026 | 16,762 | -206 |
| Oct 16, 2026 | 16,968 | -45 |
| Oct 15, 2026 | 17,013 | -475 |
| Oct 14, 2026 | 17,488 | 0 |
| Oct 13, 2026 | 17,488 | -7 |
| Oct 09, 2026 | 17,495 | -26 |
| Oct 08, 2026 | 17,521 | 0 |
| Oct 07, 2026 | 17,521 | -53 |
| Oct 06, 2026 | 17,574 | +56 |
| Oct 05, 2026 | 17,518 | -103 |
| Oct 02, 2026 | 17,621 | No prior observation |