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Contract OI history

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Jan 19, 2029 EXPIRATION

PFE $27.00 Call

PFE290119C00027000

Latest saved OI1,317Oct 23, 2026
Last change+117vs 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. 1,3176580 2026-10-02: 245 OI2026-10-05: 255 OI2026-10-06: 465 OI2026-10-07: 546 OI2026-10-08: 546 OI2026-10-09: 666 OI2026-10-13: 759 OI2026-10-14: 759 OI2026-10-15: 815 OI2026-10-16: 1,008 OI2026-10-21: 1,200 OI2026-10-23: 1,317 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, 2026Viewing1,317+117
Oct 21, 20261,200+192
Oct 16, 20261,008+193
Oct 15, 2026815+56
Oct 14, 20267590
Oct 13, 2026759+93
Oct 09, 2026666+120
Oct 08, 20265460
Oct 07, 2026546+81
Oct 06, 2026465+210
Oct 05, 2026255+10
Oct 02, 2026245No prior observation