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Contract OI history

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Oct 23, 2026 EXPIRATION

PFE $31.00 Call

PFE261023C00031000

Latest saved OI6,945Oct 23, 2026
Last change+2,070vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $31.00 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. 6,9453,4720 2026-10-02: 146 OI2026-10-05: 151 OI2026-10-06: 155 OI2026-10-07: 159 OI2026-10-08: 159 OI2026-10-09: 163 OI2026-10-13: 175 OI2026-10-14: 175 OI2026-10-15: 207 OI2026-10-16: 1,669 OI2026-10-21: 4,875 OI2026-10-23: 6,945 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, 2026Viewing6,945+2,070
Oct 21, 20264,875+3,206
Oct 16, 20261,669+1,462
Oct 15, 2026207+32
Oct 14, 20261750
Oct 13, 2026175+12
Oct 09, 2026163+4
Oct 08, 20261590
Oct 07, 2026159+4
Oct 06, 2026155+4
Oct 05, 2026151+5
Oct 02, 2026146No prior observation