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Contract OI history

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Jan 19, 2029 EXPIRATION

PFE $23.00 Call

PFE290119C00023000

Latest saved OI514Oct 23, 2026
Last change+92vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $23.00 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. 5142570 2026-10-02: 82 OI2026-10-05: 83 OI2026-10-06: 85 OI2026-10-07: 367 OI2026-10-08: 367 OI2026-10-09: 400 OI2026-10-13: 400 OI2026-10-14: 400 OI2026-10-15: 400 OI2026-10-16: 422 OI2026-10-21: 422 OI2026-10-23: 514 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, 2026Viewing514+92
Oct 21, 20264220
Oct 16, 2026422+22
Oct 15, 20264000
Oct 14, 20264000
Oct 13, 20264000
Oct 09, 2026400+33
Oct 08, 20263670
Oct 07, 2026367+282
Oct 06, 202685+2
Oct 05, 202683+1
Oct 02, 202682No prior observation