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Contract OI history

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Dec 17, 2027 EXPIRATION

PFE $40.00 Call

PFE271217C00040000

Latest saved OI5,190Oct 23, 2026
Last change+43vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $40.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5,3282,6640 2026-10-02: 5,323 OI2026-10-05: 5,323 OI2026-10-06: 5,328 OI2026-10-07: 5,095 OI2026-10-08: 5,095 OI2026-10-09: 5,095 OI2026-10-13: 5,095 OI2026-10-14: 5,095 OI2026-10-15: 5,096 OI2026-10-16: 5,102 OI2026-10-21: 5,147 OI2026-10-23: 5,190 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, 2026Viewing5,190+43
Oct 21, 20265,147+45
Oct 16, 20265,102+6
Oct 15, 20265,096+1
Oct 14, 20265,0950
Oct 13, 20265,0950
Oct 09, 20265,0950
Oct 08, 20265,0950
Oct 07, 20265,095-233
Oct 06, 20265,328+5
Oct 05, 20265,3230
Oct 02, 20265,323No prior observation