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Contract OI history

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Jan 21, 2028 EXPIRATION

FOUR $80.00 Call

FOUR280121C00080000

Latest saved OI1,647Oct 23, 2026
Last change-8vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FOUR $80.00 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. 1,6558270 2026-10-02: 1,614 OI2026-10-05: 1,614 OI2026-10-06: 1,619 OI2026-10-07: 1,631 OI2026-10-08: 1,631 OI2026-10-09: 1,638 OI2026-10-13: 1,640 OI2026-10-14: 1,640 OI2026-10-15: 1,640 OI2026-10-16: 1,641 OI2026-10-21: 1,655 OI2026-10-23: 1,647 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

FOUR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,647-8
Oct 21, 20261,655+14
Oct 16, 20261,641+1
Oct 15, 20261,6400
Oct 14, 20261,6400
Oct 13, 20261,640+2
Oct 09, 20261,638+7
Oct 08, 20261,6310
Oct 07, 20261,631+12
Oct 06, 20261,619+5
Oct 05, 20261,6140
Oct 02, 20261,614No prior observation