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Contract OI history

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Jan 21, 2028 EXPIRATION

PFE $18.00 Call

PFE280121C00018000

Latest saved OI758Oct 23, 2026
Last change-27vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $18.00 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. 8104050 2026-10-02: 802 OI2026-10-05: 802 OI2026-10-06: 802 OI2026-10-07: 802 OI2026-10-08: 802 OI2026-10-09: 802 OI2026-10-13: 802 OI2026-10-14: 802 OI2026-10-15: 800 OI2026-10-16: 810 OI2026-10-21: 785 OI2026-10-23: 758 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, 2026Viewing758-27
Oct 21, 2026785-25
Oct 16, 2026810+10
Oct 15, 2026800-2
Oct 14, 20268020
Oct 13, 20268020
Oct 09, 20268020
Oct 08, 20268020
Oct 07, 20268020
Oct 06, 20268020
Oct 05, 20268020
Oct 02, 2026802No prior observation