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Contract OI history

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Nov 06, 2026 EXPIRATION

PFE $31.50 Call

PFE261106C00031500

Latest saved OI597Oct 23, 2026
Last change+48vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $31.50 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. 5972980 2026-10-02: 13 OI2026-10-05: 13 OI2026-10-06: 13 OI2026-10-07: 13 OI2026-10-08: 13 OI2026-10-09: 23 OI2026-10-13: 71 OI2026-10-14: 71 OI2026-10-15: 468 OI2026-10-16: 475 OI2026-10-21: 549 OI2026-10-23: 597 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, 2026Viewing597+48
Oct 21, 2026549+74
Oct 16, 2026475+7
Oct 15, 2026468+397
Oct 14, 2026710
Oct 13, 202671+48
Oct 09, 202623+10
Oct 08, 2026130
Oct 07, 2026130
Oct 06, 2026130
Oct 05, 2026130
Oct 02, 202613No prior observation