OITracker Cboe delayed data

Contract OI history

Back to PFE

Nov 06, 2026 EXPIRATION

PFE $34.00 Call

PFE261106C00034000

Latest saved OI1,373Oct 23, 2026
Last change+12vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $34.00 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. 1,3736860 2026-10-02: 56 OI2026-10-05: 56 OI2026-10-06: 56 OI2026-10-07: 56 OI2026-10-08: 56 OI2026-10-09: 57 OI2026-10-13: 67 OI2026-10-14: 67 OI2026-10-15: 104 OI2026-10-16: 132 OI2026-10-21: 1,361 OI2026-10-23: 1,373 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, 2026Viewing1,373+12
Oct 21, 20261,361+1,229
Oct 16, 2026132+28
Oct 15, 2026104+37
Oct 14, 2026670
Oct 13, 202667+10
Oct 09, 202657+1
Oct 08, 2026560
Oct 07, 2026560
Oct 06, 2026560
Oct 05, 2026560
Oct 02, 202656No prior observation