Contract OI history
Back to PFEDec 17, 2027 EXPIRATION
PFE $27.00 Call
PFE271217C00027000
Latest saved OI6,421Oct 23, 2026
Last change-8vs 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 | 6,421 | -8 |
| Oct 21, 2026 | 6,429 | +34 |
| Oct 16, 2026 | 6,395 | +20 |
| Oct 15, 2026 | 6,375 | +19 |
| Oct 14, 2026 | 6,356 | 0 |
| Oct 13, 2026 | 6,356 | -6 |
| Oct 09, 2026 | 6,362 | -96 |
| Oct 08, 2026 | 6,458 | 0 |
| Oct 07, 2026 | 6,458 | +4 |
| Oct 06, 2026 | 6,454 | +101 |
| Oct 05, 2026 | 6,353 | +685 |
| Oct 02, 2026 | 5,668 | No prior observation |