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Contract OI history

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Nov 20, 2026 EXPIRATION

PFE $28.00 Call

PFE261120C00028000

Latest saved OI28,357Oct 23, 2026
Last change-323vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $28.00 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. 29,48514,7420 2026-10-02: 11,565 OI2026-10-05: 11,661 OI2026-10-06: 15,651 OI2026-10-07: 29,002 OI2026-10-08: 29,002 OI2026-10-09: 29,022 OI2026-10-13: 29,485 OI2026-10-14: 29,485 OI2026-10-15: 29,241 OI2026-10-16: 29,069 OI2026-10-21: 28,680 OI2026-10-23: 28,357 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, 2026Viewing28,357-323
Oct 21, 202628,680-389
Oct 16, 202629,069-172
Oct 15, 202629,241-244
Oct 14, 202629,4850
Oct 13, 202629,485+463
Oct 09, 202629,022+20
Oct 08, 202629,0020
Oct 07, 202629,002+13,351
Oct 06, 202615,651+3,990
Oct 05, 202611,661+96
Oct 02, 202611,565No prior observation