OITracker Cboe delayed data

Contract OI history

Back to PFE

Jan 15, 2027 EXPIRATION

PFE $27.00 Call

PFE270115C00027000

Latest saved OI54,619Oct 23, 2026
Last change-402vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $27.00 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. 57,60228,8010 2026-10-02: 57,602 OI2026-10-05: 56,145 OI2026-10-06: 56,043 OI2026-10-07: 56,028 OI2026-10-08: 56,028 OI2026-10-09: 56,105 OI2026-10-13: 55,951 OI2026-10-14: 55,951 OI2026-10-15: 56,136 OI2026-10-16: 55,370 OI2026-10-21: 55,021 OI2026-10-23: 54,619 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, 2026Viewing54,619-402
Oct 21, 202655,021-349
Oct 16, 202655,370-766
Oct 15, 202656,136+185
Oct 14, 202655,9510
Oct 13, 202655,951-154
Oct 09, 202656,105+77
Oct 08, 202656,0280
Oct 07, 202656,028-15
Oct 06, 202656,043-102
Oct 05, 202656,145-1,457
Oct 02, 202657,602No prior observation