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Contract OI history

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Dec 18, 2026 EXPIRATION

PFE $39.00 Call

PFE261218C00039000

Latest saved OI127Oct 23, 2026
Last change-3vs 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. 130650 2026-10-02: 25 OI2026-10-05: 25 OI2026-10-06: 25 OI2026-10-07: 25 OI2026-10-08: 25 OI2026-10-09: 25 OI2026-10-13: 25 OI2026-10-14: 25 OI2026-10-15: 30 OI2026-10-16: 130 OI2026-10-21: 130 OI2026-10-23: 127 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, 2026Viewing127-3
Oct 21, 20261300
Oct 16, 2026130+100
Oct 15, 202630+5
Oct 14, 2026250
Oct 13, 2026250
Oct 09, 2026250
Oct 08, 2026250
Oct 07, 2026250
Oct 06, 2026250
Oct 05, 2026250
Oct 02, 202625No prior observation