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Contract OI history

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Oct 23, 2026 EXPIRATION

PFE $30.50 Call

PFE261023C00030500

Latest saved OI3,304Oct 23, 2026
Last change+1,129vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PFE $30.50 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. 3,3041,6520 2026-10-02: 101 OI2026-10-05: 101 OI2026-10-06: 102 OI2026-10-07: 102 OI2026-10-08: 102 OI2026-10-09: 104 OI2026-10-13: 137 OI2026-10-14: 137 OI2026-10-15: 457 OI2026-10-16: 533 OI2026-10-21: 2,175 OI2026-10-23: 3,304 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, 2026Viewing3,304+1,129
Oct 21, 20262,175+1,642
Oct 16, 2026533+76
Oct 15, 2026457+320
Oct 14, 20261370
Oct 13, 2026137+33
Oct 09, 2026104+2
Oct 08, 20261020
Oct 07, 20261020
Oct 06, 2026102+1
Oct 05, 20261010
Oct 02, 2026101No prior observation