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Contract OI history

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Oct 30, 2026 EXPIRATION

PFE $30.50 Call

PFE261030C00030500

Latest saved OI3,539Oct 23, 2026
Last change+429vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $30.50 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. 3,5391,7690 2026-10-02: 954 OI2026-10-05: 925 OI2026-10-06: 876 OI2026-10-07: 883 OI2026-10-08: 883 OI2026-10-09: 886 OI2026-10-13: 879 OI2026-10-14: 879 OI2026-10-15: 2,327 OI2026-10-16: 2,563 OI2026-10-21: 3,110 OI2026-10-23: 3,539 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, 2026Viewing3,539+429
Oct 21, 20263,110+547
Oct 16, 20262,563+236
Oct 15, 20262,327+1,448
Oct 14, 20268790
Oct 13, 2026879-7
Oct 09, 2026886+3
Oct 08, 20268830
Oct 07, 2026883+7
Oct 06, 2026876-49
Oct 05, 2026925-29
Oct 02, 2026954No prior observation