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Contract OI history

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Nov 06, 2026 EXPIRATION

PFE $29.50 Put

PFE261106P00029500

Latest saved OI908Oct 23, 2026
Last change+303vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $29.50 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. 9084540 2026-10-02: 369 OI2026-10-05: 525 OI2026-10-06: 527 OI2026-10-07: 527 OI2026-10-08: 527 OI2026-10-09: 527 OI2026-10-13: 527 OI2026-10-14: 527 OI2026-10-15: 529 OI2026-10-16: 551 OI2026-10-21: 605 OI2026-10-23: 908 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, 2026Viewing908+303
Oct 21, 2026605+54
Oct 16, 2026551+22
Oct 15, 2026529+2
Oct 14, 20265270
Oct 13, 20265270
Oct 09, 20265270
Oct 08, 20265270
Oct 07, 20265270
Oct 06, 2026527+2
Oct 05, 2026525+156
Oct 02, 2026369No prior observation