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Contract OI history

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Nov 06, 2026 EXPIRATION

PFE $27.00 Call

PFE261106C00027000

Latest saved OI1,200Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $27.00 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. 1,5217600 2026-10-02: 235 OI2026-10-05: 245 OI2026-10-06: 309 OI2026-10-07: 1,521 OI2026-10-08: 1,521 OI2026-10-09: 1,185 OI2026-10-13: 1,185 OI2026-10-14: 1,185 OI2026-10-15: 1,188 OI2026-10-16: 1,190 OI2026-10-21: 1,199 OI2026-10-23: 1,200 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, 2026Viewing1,200+1
Oct 21, 20261,199+9
Oct 16, 20261,190+2
Oct 15, 20261,188+3
Oct 14, 20261,1850
Oct 13, 20261,1850
Oct 09, 20261,185-336
Oct 08, 20261,5210
Oct 07, 20261,521+1,212
Oct 06, 2026309+64
Oct 05, 2026245+10
Oct 02, 2026235No prior observation