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Contract OI history

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Dec 18, 2026 EXPIRATION

PFE $37.00 Call

PFE261218C00037000

Latest saved OI1,878Oct 23, 2026
Last change-8vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $37.00 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. 1,8869430 2026-10-02: 1,716 OI2026-10-05: 1,716 OI2026-10-06: 1,746 OI2026-10-07: 1,746 OI2026-10-08: 1,746 OI2026-10-09: 1,748 OI2026-10-13: 1,762 OI2026-10-14: 1,762 OI2026-10-15: 1,757 OI2026-10-16: 1,751 OI2026-10-21: 1,886 OI2026-10-23: 1,878 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, 2026Viewing1,878-8
Oct 21, 20261,886+135
Oct 16, 20261,751-6
Oct 15, 20261,757-5
Oct 14, 20261,7620
Oct 13, 20261,762+14
Oct 09, 20261,748+2
Oct 08, 20261,7460
Oct 07, 20261,7460
Oct 06, 20261,746+30
Oct 05, 20261,7160
Oct 02, 20261,716No prior observation