Contract OI history
Back to PFEDec 18, 2026 EXPIRATION
PFE $35.00 Call
PFE261218C00035000
Latest saved OI11,653Oct 23, 2026
Last change-266vs 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 | 11,653 | -266 |
| Oct 21, 2026 | 11,919 | +50 |
| Oct 16, 2026 | 11,869 | -19 |
| Oct 15, 2026 | 11,888 | +40 |
| Oct 14, 2026 | 11,848 | 0 |
| Oct 13, 2026 | 11,848 | -2 |
| Oct 09, 2026 | 11,850 | +5 |
| Oct 08, 2026 | 11,845 | 0 |
| Oct 07, 2026 | 11,845 | +967 |
| Oct 06, 2026 | 10,878 | +30 |
| Oct 05, 2026 | 10,848 | +34 |
| Oct 02, 2026 | 10,814 | No prior observation |