OITracker Cboe delayed data

Contract OI history

Back to PFE

Jan 19, 2029 EXPIRATION

PFE $27.00 Put

PFE290119P00027000

Latest saved OI1,245Oct 23, 2026
Last change+57vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $27.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,2456220 2026-10-02: 136 OI2026-10-05: 139 OI2026-10-06: 841 OI2026-10-07: 862 OI2026-10-08: 862 OI2026-10-09: 935 OI2026-10-13: 975 OI2026-10-14: 975 OI2026-10-15: 1,018 OI2026-10-16: 1,105 OI2026-10-21: 1,188 OI2026-10-23: 1,245 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, 2026Viewing1,245+57
Oct 21, 20261,188+83
Oct 16, 20261,105+87
Oct 15, 20261,018+43
Oct 14, 20269750
Oct 13, 2026975+40
Oct 09, 2026935+73
Oct 08, 20268620
Oct 07, 2026862+21
Oct 06, 2026841+702
Oct 05, 2026139+3
Oct 02, 2026136No prior observation