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Contract OI history

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Mar 19, 2027 EXPIRATION

PFE $30.00 Put

PFE270319P00030000

Latest saved OI4,968Oct 23, 2026
Last change+7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $30.00 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. 4,9682,4840 2026-10-02: 4,537 OI2026-10-05: 4,537 OI2026-10-06: 4,537 OI2026-10-07: 4,529 OI2026-10-08: 4,529 OI2026-10-09: 4,529 OI2026-10-13: 4,530 OI2026-10-14: 4,530 OI2026-10-15: 4,530 OI2026-10-16: 4,721 OI2026-10-21: 4,961 OI2026-10-23: 4,968 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, 2026Viewing4,968+7
Oct 21, 20264,961+240
Oct 16, 20264,721+191
Oct 15, 20264,5300
Oct 14, 20264,5300
Oct 13, 20264,530+1
Oct 09, 20264,5290
Oct 08, 20264,5290
Oct 07, 20264,529-8
Oct 06, 20264,5370
Oct 05, 20264,5370
Oct 02, 20264,537No prior observation