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Contract OI history

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Dec 15, 2028 EXPIRATION

PFE $27.00 Call

PFE281215C00027000

Latest saved OI3,841Oct 23, 2026
Last change+149vs 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. 3,8411,9200 2026-10-02: 3,063 OI2026-10-05: 3,124 OI2026-10-06: 3,167 OI2026-10-07: 3,229 OI2026-10-08: 3,229 OI2026-10-09: 3,429 OI2026-10-13: 3,635 OI2026-10-14: 3,635 OI2026-10-15: 3,534 OI2026-10-16: 3,550 OI2026-10-21: 3,692 OI2026-10-23: 3,841 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, 2026Viewing3,841+149
Oct 21, 20263,692+142
Oct 16, 20263,550+16
Oct 15, 20263,534-101
Oct 14, 20263,6350
Oct 13, 20263,635+206
Oct 09, 20263,429+200
Oct 08, 20263,2290
Oct 07, 20263,229+62
Oct 06, 20263,167+43
Oct 05, 20263,124+61
Oct 02, 20263,063No prior observation