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Contract OI history

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Nov 20, 2026 EXPIRATION

PFE $33.00 Call

PFE261120C00033000

Latest saved OI4,367Oct 23, 2026
Last change+1,757vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $33.00 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. 4,3672,1830 2026-10-02: 1,863 OI2026-10-05: 1,865 OI2026-10-06: 1,881 OI2026-10-07: 1,881 OI2026-10-08: 1,881 OI2026-10-09: 1,882 OI2026-10-13: 2,006 OI2026-10-14: 2,006 OI2026-10-15: 2,004 OI2026-10-16: 2,007 OI2026-10-21: 2,610 OI2026-10-23: 4,367 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, 2026Viewing4,367+1,757
Oct 21, 20262,610+603
Oct 16, 20262,007+3
Oct 15, 20262,004-2
Oct 14, 20262,0060
Oct 13, 20262,006+124
Oct 09, 20261,882+1
Oct 08, 20261,8810
Oct 07, 20261,8810
Oct 06, 20261,881+16
Oct 05, 20261,865+2
Oct 02, 20261,863No prior observation