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Contract OI history

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Jan 21, 2028 EXPIRATION

PFE $13.00 Call

PFE280121C00013000

Latest saved OI347Oct 23, 2026
Last change-7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $13.00 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. 3561780 2026-10-02: 356 OI2026-10-05: 356 OI2026-10-06: 356 OI2026-10-07: 356 OI2026-10-08: 356 OI2026-10-09: 355 OI2026-10-13: 355 OI2026-10-14: 355 OI2026-10-15: 329 OI2026-10-16: 347 OI2026-10-21: 354 OI2026-10-23: 347 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, 2026Viewing347-7
Oct 21, 2026354+7
Oct 16, 2026347+18
Oct 15, 2026329-26
Oct 14, 20263550
Oct 13, 20263550
Oct 09, 2026355-1
Oct 08, 20263560
Oct 07, 20263560
Oct 06, 20263560
Oct 05, 20263560
Oct 02, 2026356No prior observation