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Contract OI history

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Jan 15, 2027 EXPIRATION

PFE $40.00 Call

PFE270115C00040000

Latest saved OI13,333Oct 23, 2026
Last change+67vs 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. 13,3336,6660 2026-10-02: 12,389 OI2026-10-05: 12,516 OI2026-10-06: 12,510 OI2026-10-07: 12,186 OI2026-10-08: 12,186 OI2026-10-09: 12,191 OI2026-10-13: 12,191 OI2026-10-14: 12,191 OI2026-10-15: 12,193 OI2026-10-16: 12,152 OI2026-10-21: 13,266 OI2026-10-23: 13,333 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, 2026Viewing13,333+67
Oct 21, 202613,266+1,114
Oct 16, 202612,152-41
Oct 15, 202612,193+2
Oct 14, 202612,1910
Oct 13, 202612,1910
Oct 09, 202612,191+5
Oct 08, 202612,1860
Oct 07, 202612,186-324
Oct 06, 202612,510-6
Oct 05, 202612,516+127
Oct 02, 202612,389No prior observation