Contract OI history
Back to PFENov 20, 2026 EXPIRATION
PFE $34.00 Call
PFE261120C00034000
Latest saved OI1,312Oct 23, 2026
Last change+50vs 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 | 1,312 | +50 |
| Oct 21, 2026 | 1,262 | +14 |
| Oct 16, 2026 | 1,248 | -42 |
| Oct 15, 2026 | 1,290 | +21 |
| Oct 14, 2026 | 1,269 | 0 |
| Oct 13, 2026 | 1,269 | +31 |
| Oct 09, 2026 | 1,238 | +2 |
| Oct 08, 2026 | 1,236 | 0 |
| Oct 07, 2026 | 1,236 | 0 |
| Oct 06, 2026 | 1,236 | -6 |
| Oct 05, 2026 | 1,242 | 0 |
| Oct 02, 2026 | 1,242 | No prior observation |