Contract OI history
Back to PFEDec 18, 2026 EXPIRATION
PFE $45.00 Call
PFE261218C00045000
Latest saved OI18,123Oct 23, 2026
Last change+24vs 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 | 18,123 | +24 |
| Oct 21, 2026 | 18,099 | -45 |
| Oct 16, 2026 | 18,144 | 0 |
| Oct 15, 2026 | 18,144 | 0 |
| Oct 14, 2026 | 18,144 | 0 |
| Oct 13, 2026 | 18,144 | -8 |
| Oct 09, 2026 | 18,152 | +1 |
| Oct 08, 2026 | 18,151 | 0 |
| Oct 07, 2026 | 18,151 | +28 |
| Oct 06, 2026 | 18,123 | +50 |
| Oct 05, 2026 | 18,073 | +17 |
| Oct 02, 2026 | 18,056 | No prior observation |