Contract OI history
Back to PFEOct 30, 2026 EXPIRATION
PFE $29.50 Call
PFE261030C00029500
Latest saved OI4,331Oct 23, 2026
Last change-353vs 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 | 4,331 | -353 |
| Oct 21, 2026 | 4,684 | +571 |
| Oct 16, 2026 | 4,113 | +100 |
| Oct 15, 2026 | 4,013 | +521 |
| Oct 14, 2026 | 3,492 | 0 |
| Oct 13, 2026 | 3,492 | +1,005 |
| Oct 09, 2026 | 2,487 | +174 |
| Oct 08, 2026 | 2,313 | 0 |
| Oct 07, 2026 | 2,313 | +146 |
| Oct 06, 2026 | 2,167 | -9 |
| Oct 05, 2026 | 2,176 | -66 |
| Oct 02, 2026 | 2,242 | No prior observation |