Contract OI history
Back to PFENov 20, 2026 EXPIRATION
PFE $31.00 Call
PFE261120C00031000
Latest saved OI13,272Oct 23, 2026
Last change+1,169vs 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 | 13,272 | +1,169 |
| Oct 21, 2026 | 12,103 | +3,644 |
| Oct 16, 2026 | 8,459 | +325 |
| Oct 15, 2026 | 8,134 | +3,866 |
| Oct 14, 2026 | 4,268 | 0 |
| Oct 13, 2026 | 4,268 | +257 |
| Oct 09, 2026 | 4,011 | +20 |
| Oct 08, 2026 | 3,991 | 0 |
| Oct 07, 2026 | 3,991 | +40 |
| Oct 06, 2026 | 3,951 | -49 |
| Oct 05, 2026 | 4,000 | -87 |
| Oct 02, 2026 | 4,087 | No prior observation |