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Contract OI history

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Dec 18, 2026 EXPIRATION

PFE $26.00 Call

PFE261218C00026000

Latest saved OI4,786Oct 23, 2026
Last change-226vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $26.00 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. 5,1022,5510 2026-10-02: 5,102 OI2026-10-05: 5,101 OI2026-10-06: 5,093 OI2026-10-07: 5,093 OI2026-10-08: 5,093 OI2026-10-09: 5,080 OI2026-10-13: 5,014 OI2026-10-14: 5,014 OI2026-10-15: 5,005 OI2026-10-16: 5,005 OI2026-10-21: 5,012 OI2026-10-23: 4,786 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, 2026Viewing4,786-226
Oct 21, 20265,012+7
Oct 16, 20265,0050
Oct 15, 20265,005-9
Oct 14, 20265,0140
Oct 13, 20265,014-66
Oct 09, 20265,080-13
Oct 08, 20265,0930
Oct 07, 20265,0930
Oct 06, 20265,093-8
Oct 05, 20265,101-1
Oct 02, 20265,102No prior observation