OITracker Cboe delayed data

Contract OI history

Back to PFE

Dec 18, 2026 EXPIRATION

PFE $33.00 Call

PFE261218C00033000

Latest saved OI16,793Oct 23, 2026
Last change+55vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $33.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 16,7938,3960 2026-10-02: 15,697 OI2026-10-05: 15,846 OI2026-10-06: 15,821 OI2026-10-07: 15,856 OI2026-10-08: 15,856 OI2026-10-09: 15,823 OI2026-10-13: 15,702 OI2026-10-14: 15,702 OI2026-10-15: 15,769 OI2026-10-16: 16,397 OI2026-10-21: 16,738 OI2026-10-23: 16,793 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

PFE contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing16,793+55
Oct 21, 202616,738+341
Oct 16, 202616,397+628
Oct 15, 202615,769+67
Oct 14, 202615,7020
Oct 13, 202615,702-121
Oct 09, 202615,823-33
Oct 08, 202615,8560
Oct 07, 202615,856+35
Oct 06, 202615,821-25
Oct 05, 202615,846+149
Oct 02, 202615,697No prior observation