OITracker Cboe delayed data

Contract OI history

Back to PFE

Dec 18, 2026 EXPIRATION

PFE $24.00 Call

PFE261218C00024000

Latest saved OI918Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $24.00 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. 9184590 2026-10-02: 867 OI2026-10-05: 867 OI2026-10-06: 877 OI2026-10-07: 876 OI2026-10-08: 876 OI2026-10-09: 876 OI2026-10-13: 916 OI2026-10-14: 916 OI2026-10-15: 916 OI2026-10-16: 916 OI2026-10-21: 918 OI2026-10-23: 918 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, 2026Viewing9180
Oct 21, 2026918+2
Oct 16, 20269160
Oct 15, 20269160
Oct 14, 20269160
Oct 13, 2026916+40
Oct 09, 20268760
Oct 08, 20268760
Oct 07, 2026876-1
Oct 06, 2026877+10
Oct 05, 20268670
Oct 02, 2026867No prior observation