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Contract OI history

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Mar 19, 2027 EXPIRATION

PFE $29.00 Put

PFE270319P00029000

Latest saved OI1,018Oct 23, 2026
Last change+160vs 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. 1,0185090 2026-10-02: 397 OI2026-10-05: 397 OI2026-10-06: 466 OI2026-10-07: 466 OI2026-10-08: 466 OI2026-10-09: 494 OI2026-10-13: 494 OI2026-10-14: 494 OI2026-10-15: 494 OI2026-10-16: 497 OI2026-10-21: 858 OI2026-10-23: 1,018 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, 2026Viewing1,018+160
Oct 21, 2026858+361
Oct 16, 2026497+3
Oct 15, 20264940
Oct 14, 20264940
Oct 13, 20264940
Oct 09, 2026494+28
Oct 08, 20264660
Oct 07, 20264660
Oct 06, 2026466+69
Oct 05, 20263970
Oct 02, 2026397No prior observation