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Contract OI history

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Dec 18, 2026 EXPIRATION

FOUR $50.00 Call

FOUR261218C00050000

Latest saved OI4,368Oct 23, 2026
Last change+6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FOUR $50.00 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. 4,3682,1840 2026-10-02: 4,357 OI2026-10-05: 4,357 OI2026-10-06: 4,357 OI2026-10-07: 4,360 OI2026-10-08: 4,360 OI2026-10-09: 4,355 OI2026-10-13: 4,356 OI2026-10-14: 4,356 OI2026-10-15: 4,356 OI2026-10-16: 4,356 OI2026-10-21: 4,362 OI2026-10-23: 4,368 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, 2026Viewing4,368+6
Oct 21, 20264,362+6
Oct 16, 20264,3560
Oct 15, 20264,3560
Oct 14, 20264,3560
Oct 13, 20264,356+1
Oct 09, 20264,355-5
Oct 08, 20264,3600
Oct 07, 20264,360+3
Oct 06, 20264,3570
Oct 05, 20264,3570
Oct 02, 20264,357No prior observation