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Contract OI history

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Nov 06, 2026 EXPIRATION

PFE $26.00 Put

PFE261106P00026000

Latest saved OI572Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $26.00 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. 5722860 2026-10-02: 24 OI2026-10-05: 49 OI2026-10-06: 140 OI2026-10-07: 146 OI2026-10-08: 146 OI2026-10-09: 560 OI2026-10-13: 557 OI2026-10-14: 557 OI2026-10-15: 570 OI2026-10-16: 569 OI2026-10-21: 568 OI2026-10-23: 572 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, 2026Viewing572+4
Oct 21, 2026568-1
Oct 16, 2026569-1
Oct 15, 2026570+13
Oct 14, 20265570
Oct 13, 2026557-3
Oct 09, 2026560+414
Oct 08, 20261460
Oct 07, 2026146+6
Oct 06, 2026140+91
Oct 05, 202649+25
Oct 02, 202624No prior observation