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Contract OI history

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Dec 17, 2027 EXPIRATION

PFE $13.00 Put

PFE271217P00013000

Latest saved OI3,876Oct 23, 2026
Last change-203vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $13.00 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. 4,0932,0460 2026-10-02: 4,090 OI2026-10-05: 4,093 OI2026-10-06: 4,089 OI2026-10-07: 4,089 OI2026-10-08: 4,089 OI2026-10-09: 4,089 OI2026-10-13: 4,089 OI2026-10-14: 4,089 OI2026-10-15: 4,089 OI2026-10-16: 4,079 OI2026-10-21: 4,079 OI2026-10-23: 3,876 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, 2026Viewing3,876-203
Oct 21, 20264,0790
Oct 16, 20264,079-10
Oct 15, 20264,0890
Oct 14, 20264,0890
Oct 13, 20264,0890
Oct 09, 20264,0890
Oct 08, 20264,0890
Oct 07, 20264,0890
Oct 06, 20264,089-4
Oct 05, 20264,093+3
Oct 02, 20264,090No prior observation