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Contract OI history

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Jan 21, 2028 EXPIRATION

PFE $32.00 Call

PFE280121C00032000

Latest saved OI10,935Oct 23, 2026
Last change+150vs 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. 10,9355,4670 2026-10-02: 10,189 OI2026-10-05: 10,244 OI2026-10-06: 10,302 OI2026-10-07: 10,307 OI2026-10-08: 10,307 OI2026-10-09: 10,393 OI2026-10-13: 10,460 OI2026-10-14: 10,460 OI2026-10-15: 10,442 OI2026-10-16: 10,424 OI2026-10-21: 10,785 OI2026-10-23: 10,935 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, 2026Viewing10,935+150
Oct 21, 202610,785+361
Oct 16, 202610,424-18
Oct 15, 202610,442-18
Oct 14, 202610,4600
Oct 13, 202610,460+67
Oct 09, 202610,393+86
Oct 08, 202610,3070
Oct 07, 202610,307+5
Oct 06, 202610,302+58
Oct 05, 202610,244+55
Oct 02, 202610,189No prior observation