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Contract OI history

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Oct 23, 2026 EXPIRATION

PFE $29.00 Put

PFE261023P00029000

Latest saved OI2,073Oct 23, 2026
Last change-58vs 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. 2,1311,0650 2026-10-02: 79 OI2026-10-05: 78 OI2026-10-06: 84 OI2026-10-07: 84 OI2026-10-08: 84 OI2026-10-09: 80 OI2026-10-13: 187 OI2026-10-14: 187 OI2026-10-15: 366 OI2026-10-16: 1,114 OI2026-10-21: 2,131 OI2026-10-23: 2,073 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, 2026Viewing2,073-58
Oct 21, 20262,131+1,017
Oct 16, 20261,114+748
Oct 15, 2026366+179
Oct 14, 20261870
Oct 13, 2026187+107
Oct 09, 202680-4
Oct 08, 2026840
Oct 07, 2026840
Oct 06, 202684+6
Oct 05, 202678-1
Oct 02, 202679No prior observation