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Contract OI history

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Jan 15, 2027 EXPIRATION

PFE $38.00 Call

PFE270115C00038000

Latest saved OI388Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $38.00 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. 4472230 2026-10-02: 445 OI2026-10-05: 445 OI2026-10-06: 444 OI2026-10-07: 444 OI2026-10-08: 444 OI2026-10-09: 446 OI2026-10-13: 438 OI2026-10-14: 438 OI2026-10-15: 442 OI2026-10-16: 447 OI2026-10-21: 387 OI2026-10-23: 388 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, 2026Viewing388+1
Oct 21, 2026387-60
Oct 16, 2026447+5
Oct 15, 2026442+4
Oct 14, 20264380
Oct 13, 2026438-8
Oct 09, 2026446+2
Oct 08, 20264440
Oct 07, 20264440
Oct 06, 2026444-1
Oct 05, 20264450
Oct 02, 2026445No prior observation