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Contract OI history

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Jun 17, 2027 EXPIRATION

PFE $40.00 Call

PFE270617C00040000

Latest saved OI31,354Oct 23, 2026
Last change-143vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $40.00 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. 31,71515,8570 2026-10-02: 31,547 OI2026-10-05: 31,573 OI2026-10-06: 31,665 OI2026-10-07: 31,703 OI2026-10-08: 31,703 OI2026-10-09: 31,715 OI2026-10-13: 31,705 OI2026-10-14: 31,705 OI2026-10-15: 31,643 OI2026-10-16: 31,354 OI2026-10-21: 31,497 OI2026-10-23: 31,354 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, 2026Viewing31,354-143
Oct 21, 202631,497+143
Oct 16, 202631,354-289
Oct 15, 202631,643-62
Oct 14, 202631,7050
Oct 13, 202631,705-10
Oct 09, 202631,715+12
Oct 08, 202631,7030
Oct 07, 202631,703+38
Oct 06, 202631,665+92
Oct 05, 202631,573+26
Oct 02, 202631,547No prior observation