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Contract OI history

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Oct 30, 2026 EXPIRATION

PFE $32.50 Call

PFE261030C00032500

Latest saved OI415Oct 23, 2026
Last change+336vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $32.50 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. 4152070 2026-10-02: 2 OI2026-10-05: 2 OI2026-10-06: 1 OI2026-10-07: 1 OI2026-10-08: 1 OI2026-10-09: 1 OI2026-10-13: 1 OI2026-10-14: 1 OI2026-10-15: 1 OI2026-10-16: 11 OI2026-10-21: 79 OI2026-10-23: 415 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, 2026Viewing415+336
Oct 21, 202679+68
Oct 16, 202611+10
Oct 15, 202610
Oct 14, 202610
Oct 13, 202610
Oct 09, 202610
Oct 08, 202610
Oct 07, 202610
Oct 06, 20261-1
Oct 05, 202620
Oct 02, 20262No prior observation