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Contract OI history

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Dec 18, 2026 EXPIRATION

FOUR $55.00 Call

FOUR261218C00055000

Latest saved OI200Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
FOUR $55.00 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. 2001000 2026-10-02: 197 OI2026-10-05: 197 OI2026-10-06: 197 OI2026-10-07: 197 OI2026-10-08: 197 OI2026-10-09: 197 OI2026-10-13: 197 OI2026-10-14: 197 OI2026-10-15: 197 OI2026-10-16: 197 OI2026-10-21: 200 OI2026-10-23: 200 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, 2026Viewing2000
Oct 21, 2026200+3
Oct 16, 20261970
Oct 15, 20261970
Oct 14, 20261970
Oct 13, 20261970
Oct 09, 20261970
Oct 08, 20261970
Oct 07, 20261970
Oct 06, 20261970
Oct 05, 20261970
Oct 02, 2026197No prior observation