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Contract OI history

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Sep 17, 2027 EXPIRATION

PFE $30.00 Put

PFE270917P00030000

Latest saved OI1,136Oct 23, 2026
Last change+242vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $30.00 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. 1,1365680 2026-10-02: 391 OI2026-10-05: 391 OI2026-10-06: 391 OI2026-10-07: 391 OI2026-10-08: 391 OI2026-10-09: 391 OI2026-10-13: 441 OI2026-10-14: 441 OI2026-10-15: 496 OI2026-10-16: 874 OI2026-10-21: 894 OI2026-10-23: 1,136 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, 2026Viewing1,136+242
Oct 21, 2026894+20
Oct 16, 2026874+378
Oct 15, 2026496+55
Oct 14, 20264410
Oct 13, 2026441+50
Oct 09, 20263910
Oct 08, 20263910
Oct 07, 20263910
Oct 06, 20263910
Oct 05, 20263910
Oct 02, 2026391No prior observation