Contract OI history
Back to PFEDec 18, 2026 EXPIRATION
PFE $31.00 Call
PFE261218C00031000
Latest saved OI10,229Oct 23, 2026
Last change+5vs 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 | 10,229 | +5 |
| Oct 21, 2026 | 10,224 | +1,842 |
| Oct 16, 2026 | 8,382 | +1,743 |
| Oct 15, 2026 | 6,639 | -200 |
| Oct 14, 2026 | 6,839 | 0 |
| Oct 13, 2026 | 6,839 | +34 |
| Oct 09, 2026 | 6,805 | +264 |
| Oct 08, 2026 | 6,541 | 0 |
| Oct 07, 2026 | 6,541 | +63 |
| Oct 06, 2026 | 6,478 | +100 |
| Oct 05, 2026 | 6,378 | -21 |
| Oct 02, 2026 | 6,399 | No prior observation |