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Contract OI history

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Oct 23, 2026 EXPIRATION

PFE $32.00 Call

PFE261023C00032000

Latest saved OI2,566Oct 23, 2026
Last change+121vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $32.00 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. 2,5661,2830 2026-10-02: 875 OI2026-10-05: 875 OI2026-10-06: 876 OI2026-10-07: 875 OI2026-10-08: 875 OI2026-10-09: 875 OI2026-10-13: 875 OI2026-10-14: 875 OI2026-10-15: 886 OI2026-10-16: 920 OI2026-10-21: 2,445 OI2026-10-23: 2,566 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, 2026Viewing2,566+121
Oct 21, 20262,445+1,525
Oct 16, 2026920+34
Oct 15, 2026886+11
Oct 14, 20268750
Oct 13, 20268750
Oct 09, 20268750
Oct 08, 20268750
Oct 07, 2026875-1
Oct 06, 2026876+1
Oct 05, 20268750
Oct 02, 2026875No prior observation