OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

FOUR $80.00 Call

FOUR270115C00080000

Latest saved OI2,359Oct 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 $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. 2,3591,1790 2026-10-02: 2,359 OI2026-10-05: 2,358 OI2026-10-06: 2,358 OI2026-10-07: 2,358 OI2026-10-08: 2,358 OI2026-10-09: 2,358 OI2026-10-13: 2,358 OI2026-10-14: 2,358 OI2026-10-15: 2,358 OI2026-10-16: 2,358 OI2026-10-21: 2,359 OI2026-10-23: 2,359 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, 2026Viewing2,3590
Oct 21, 20262,359+1
Oct 16, 20262,3580
Oct 15, 20262,3580
Oct 14, 20262,3580
Oct 13, 20262,3580
Oct 09, 20262,3580
Oct 08, 20262,3580
Oct 07, 20262,3580
Oct 06, 20262,3580
Oct 05, 20262,358-1
Oct 02, 20262,359No prior observation