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Contract OI history

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Dec 18, 2026 EXPIRATION

PFE $34.00 Call

PFE261218C00034000

Latest saved OI1,493Oct 23, 2026
Last change+341vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $34.00 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. 1,4937460 2026-10-02: 320 OI2026-10-05: 320 OI2026-10-06: 331 OI2026-10-07: 331 OI2026-10-08: 331 OI2026-10-09: 325 OI2026-10-13: 330 OI2026-10-14: 330 OI2026-10-15: 373 OI2026-10-16: 897 OI2026-10-21: 1,152 OI2026-10-23: 1,493 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, 2026Viewing1,493+341
Oct 21, 20261,152+255
Oct 16, 2026897+524
Oct 15, 2026373+43
Oct 14, 20263300
Oct 13, 2026330+5
Oct 09, 2026325-6
Oct 08, 20263310
Oct 07, 20263310
Oct 06, 2026331+11
Oct 05, 20263200
Oct 02, 2026320No prior observation