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Contract OI history

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Jan 15, 2027 EXPIRATION

PFE $39.00 Call

PFE270115C00039000

Latest saved OI1,090Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $39.00 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. 1,0905450 2026-10-02: 858 OI2026-10-05: 858 OI2026-10-06: 858 OI2026-10-07: 858 OI2026-10-08: 858 OI2026-10-09: 864 OI2026-10-13: 864 OI2026-10-14: 864 OI2026-10-15: 864 OI2026-10-16: 864 OI2026-10-21: 1,088 OI2026-10-23: 1,090 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, 2026Viewing1,090+2
Oct 21, 20261,088+224
Oct 16, 20268640
Oct 15, 20268640
Oct 14, 20268640
Oct 13, 20268640
Oct 09, 2026864+6
Oct 08, 20268580
Oct 07, 20268580
Oct 06, 20268580
Oct 05, 20268580
Oct 02, 2026858No prior observation