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Contract OI history

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Nov 06, 2026 EXPIRATION

PFE $29.00 Put

PFE261106P00029000

Latest saved OI1,080Oct 23, 2026
Last change+8vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $29.00 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. 1,0805400 2026-10-02: 3 OI2026-10-05: 605 OI2026-10-06: 664 OI2026-10-07: 664 OI2026-10-08: 664 OI2026-10-09: 664 OI2026-10-13: 680 OI2026-10-14: 680 OI2026-10-15: 692 OI2026-10-16: 808 OI2026-10-21: 1,072 OI2026-10-23: 1,080 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, 2026Viewing1,080+8
Oct 21, 20261,072+264
Oct 16, 2026808+116
Oct 15, 2026692+12
Oct 14, 20266800
Oct 13, 2026680+16
Oct 09, 20266640
Oct 08, 20266640
Oct 07, 20266640
Oct 06, 2026664+59
Oct 05, 2026605+602
Oct 02, 20263No prior observation