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Contract OI history

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Mar 19, 2027 EXPIRATION

PFE $37.00 Call

PFE270319C00037000

Latest saved OI539Oct 23, 2026
Last change+33vs 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. 5392690 2026-10-02: 471 OI2026-10-05: 471 OI2026-10-06: 499 OI2026-10-07: 499 OI2026-10-08: 499 OI2026-10-09: 499 OI2026-10-13: 499 OI2026-10-14: 499 OI2026-10-15: 502 OI2026-10-16: 502 OI2026-10-21: 506 OI2026-10-23: 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, 2026Viewing539+33
Oct 21, 2026506+4
Oct 16, 20265020
Oct 15, 2026502+3
Oct 14, 20264990
Oct 13, 20264990
Oct 09, 20264990
Oct 08, 20264990
Oct 07, 20264990
Oct 06, 2026499+28
Oct 05, 20264710
Oct 02, 2026471No prior observation