Contract OI history
Back to PFEJan 19, 2029 EXPIRATION
PFE $35.00 Call
PFE290119C00035000
Latest saved OI628Oct 23, 2026
Last change+31vs 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 | 628 | +31 |
| Oct 21, 2026 | 597 | +81 |
| Oct 16, 2026 | 516 | +68 |
| Oct 15, 2026 | 448 | +43 |
| Oct 14, 2026 | 405 | 0 |
| Oct 13, 2026 | 405 | +59 |
| Oct 09, 2026 | 346 | +78 |
| Oct 08, 2026 | 268 | 0 |
| Oct 07, 2026 | 268 | +4 |
| Oct 06, 2026 | 264 | -1 |
| Oct 05, 2026 | 265 | +2 |
| Oct 02, 2026 | 263 | No prior observation |