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Contract OI history

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Dec 17, 2027 EXPIRATION

PFE $32.00 Put

PFE271217P00032000

Latest saved OI519Oct 23, 2026
Last change+7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $32.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5192590 2026-10-02: 497 OI2026-10-05: 497 OI2026-10-06: 497 OI2026-10-07: 497 OI2026-10-08: 497 OI2026-10-09: 497 OI2026-10-13: 497 OI2026-10-14: 497 OI2026-10-15: 497 OI2026-10-16: 507 OI2026-10-21: 512 OI2026-10-23: 519 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, 2026Viewing519+7
Oct 21, 2026512+5
Oct 16, 2026507+10
Oct 15, 20264970
Oct 14, 20264970
Oct 13, 20264970
Oct 09, 20264970
Oct 08, 20264970
Oct 07, 20264970
Oct 06, 20264970
Oct 05, 20264970
Oct 02, 2026497No prior observation