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Contract OI history

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Jan 15, 2027 EXPIRATION

PFE $36.00 Call

PFE270115C00036000

Latest saved OI916Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $36.00 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. 9164580 2026-10-02: 702 OI2026-10-05: 712 OI2026-10-06: 823 OI2026-10-07: 824 OI2026-10-08: 824 OI2026-10-09: 832 OI2026-10-13: 837 OI2026-10-14: 837 OI2026-10-15: 839 OI2026-10-16: 891 OI2026-10-21: 911 OI2026-10-23: 916 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, 2026Viewing916+5
Oct 21, 2026911+20
Oct 16, 2026891+52
Oct 15, 2026839+2
Oct 14, 20268370
Oct 13, 2026837+5
Oct 09, 2026832+8
Oct 08, 20268240
Oct 07, 2026824+1
Oct 06, 2026823+111
Oct 05, 2026712+10
Oct 02, 2026702No prior observation