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Contract OI history

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Jan 21, 2028 EXPIRATION

PFE $27.00 Call

PFE280121C00027000

Latest saved OI21,833Oct 23, 2026
Last change-35vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $27.00 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. 22,74511,3720 2026-10-02: 22,745 OI2026-10-05: 22,728 OI2026-10-06: 22,703 OI2026-10-07: 22,708 OI2026-10-08: 22,708 OI2026-10-09: 22,598 OI2026-10-13: 22,631 OI2026-10-14: 22,631 OI2026-10-15: 22,501 OI2026-10-16: 22,261 OI2026-10-21: 21,868 OI2026-10-23: 21,833 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, 2026Viewing21,833-35
Oct 21, 202621,868-393
Oct 16, 202622,261-240
Oct 15, 202622,501-130
Oct 14, 202622,6310
Oct 13, 202622,631+33
Oct 09, 202622,598-110
Oct 08, 202622,7080
Oct 07, 202622,708+5
Oct 06, 202622,703-25
Oct 05, 202622,728-17
Oct 02, 202622,745No prior observation