Contract OI history
Back to PFEOct 23, 2026 EXPIRATION
PFE $29.50 Call
PFE261023C00029500
Latest saved OI2,503Oct 23, 2026
Last change-208vs 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 | 2,503 | -208 |
| Oct 21, 2026 | 2,711 | +129 |
| Oct 16, 2026 | 2,582 | -171 |
| Oct 15, 2026 | 2,753 | +725 |
| Oct 14, 2026 | 2,028 | 0 |
| Oct 13, 2026 | 2,028 | +407 |
| Oct 09, 2026 | 1,621 | +21 |
| Oct 08, 2026 | 1,600 | 0 |
| Oct 07, 2026 | 1,600 | +5 |
| Oct 06, 2026 | 1,595 | +57 |
| Oct 05, 2026 | 1,538 | -23 |
| Oct 02, 2026 | 1,561 | No prior observation |