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Contract OI history

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Nov 13, 2026 EXPIRATION

PFE $29.00 Put

PFE261113P00029000

Latest saved OI3,115Oct 23, 2026
Last change+10vs 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. 3,1151,5570 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 1 OI2026-10-07: 1 OI2026-10-08: 1 OI2026-10-09: 3 OI2026-10-13: 4 OI2026-10-14: 4 OI2026-10-15: 3,007 OI2026-10-16: 3,008 OI2026-10-21: 3,105 OI2026-10-23: 3,115 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, 2026Viewing3,115+10
Oct 21, 20263,105+97
Oct 16, 20263,008+1
Oct 15, 20263,007+3,003
Oct 14, 202640
Oct 13, 20264+1
Oct 09, 20263+2
Oct 08, 202610
Oct 07, 202610
Oct 06, 20261+1
Oct 05, 202600
Oct 02, 20260No prior observation